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1. The gas-phase formation mechanism of iodic acid as an atmospheric aerosol source

Author

Finkenzeller, Henning, Iyer, Siddharth, He, Xu-Cheng, Simon, Mario, Koenig, Theodore K., Lee, Christopher F., Valiev, Rashid, Hofbauer, Victoria, Amorim, Antonio, Baalbaki, Rima, Baccarini, Andrea, Beck, Lisa, Bell, David M., Caudillo, Lucía, Chen, Dexian, Chiu, Randall, Chu, Biwu, Dada, Lubna, Duplissy, Jonathan, Heinritzi, Martin, Kemppainen, Deniz, Kim, Changhyuk, Krechmer, Jordan, Kürten, Andreas, Kvashnin, Alexandr, Lamkaddam, Houssni, Lee, Chuan Ping, Lehtipalo, Katrianne, Li, Zijun, Makhmutov, Vladimir, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Mauldin, Roy L., Mentler, Bernhard, Müller, Tatjana, Petäjä, Tuukka, Philippov, Maxim, Ranjithkumar, Ananth, Rörup, Birte, Shen, Jiali, Stolzenburg, Dominik, Tauber, Christian, Tham, Yee Jun, Tomé, António, Vazquez-Pufleau, Miguel, Wagner, Andrea C., Wang, Dongyu S., Wang, Mingyi, Wang, Yonghong, Weber, Stefan K., Nie, Wei, Wu, Yusheng, Xiao, Mao, Ye, Qing, Zauner-Wieczorek, Marcel, Hansel, Armin, Baltensperger, Urs, Brioude, Jérome, Curtius, Joachim, Donahue, Neil M., Haddad, Imad El, Flagan, Richard C., Kulmala, Markku, Kirkby, Jasper, Sipilä, Mikko, Worsnop, Douglas R., Kurten, Theo, Rissanen, Matti, and Volkamer, Rainer

Published
2023
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2. Synergistic HNO3–H2SO4–NH3 upper tropospheric particle formation

Author

Wang, Mingyi, Xiao, Mao, Bertozzi, Barbara, Marie, Guillaume, Rörup, Birte, Schulze, Benjamin, Bardakov, Roman, He, Xu-Cheng, Shen, Jiali, Scholz, Wiebke, Marten, Ruby, Dada, Lubna, Baalbaki, Rima, Lopez, Brandon, Lamkaddam, Houssni, Manninen, Hanna E., Amorim, António, Ataei, Farnoush, Bogert, Pia, Brasseur, Zoé, Caudillo, Lucía, De Menezes, Louis-Philippe, Duplissy, Jonathan, Ekman, Annica M. L., Finkenzeller, Henning, Carracedo, Loïc Gonzalez, Granzin, Manuel, Guida, Roberto, Heinritzi, Martin, Hofbauer, Victoria, Höhler, Kristina, Korhonen, Kimmo, Krechmer, Jordan E., Kürten, Andreas, Lehtipalo, Katrianne, Mahfouz, Naser G. A., Makhmutov, Vladimir, Massabò, Dario, Mathot, Serge, Mauldin, Roy L., Mentler, Bernhard, Müller, Tatjana, Onnela, Antti, Petäjä, Tuukka, Philippov, Maxim, Piedehierro, Ana A., Pozzer, Andrea, Ranjithkumar, Ananth, Schervish, Meredith, Schobesberger, Siegfried, Simon, Mario, Stozhkov, Yuri, Tomé, António, Umo, Nsikanabasi Silas, Vogel, Franziska, Wagner, Robert, Wang, Dongyu S., Weber, Stefan K., Welti, André, Wu, Yusheng, Zauner-Wieczorek, Marcel, Sipilä, Mikko, Winkler, Paul M., Hansel, Armin, Baltensperger, Urs, Kulmala, Markku, Flagan, Richard C., Curtius, Joachim, Riipinen, Ilona, Gordon, Hamish, Lelieveld, Jos, El-Haddad, Imad, Volkamer, Rainer, Worsnop, Douglas R., Christoudias, Theodoros, Kirkby, Jasper, Möhler, Ottmar, and Donahue, Neil M.

Published
2022
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3. Rapid growth of organic aerosol nanoparticles over a wide tropospheric temperature range

Author

Stolzenburg, Dominik, Fischer, Lukas, Vogel, Alexander L, Heinritzi, Martin, Schervish, Meredith, Simon, Mario, Wagner, Andrea C, Dada, Lubna, Ahonen, Lauri R, Amorim, Antonio, Baccarini, Andrea, Bauer, Paulus S, Baumgartner, Bernhard, Bergen, Anton, Bianchi, Federico, Breitenlechner, Martin, Brilke, Sophia, Mazon, Stephany Buenrostro, Chen, Dexian, Dias, António, Draper, Danielle C, Duplissy, Jonathan, Haddad, Imad El, Finkenzeller, Henning, Frege, Carla, Fuchs, Claudia, Garmash, Olga, Gordon, Hamish, He, Xucheng, Helm, Johanna, Hofbauer, Victoria, Hoyle, Christopher R, Kim, Changhyuk, Kirkby, Jasper, Kontkanen, Jenni, Kürten, Andreas, Lampilahti, Janne, Lawler, Michael, Lehtipalo, Katrianne, Leiminger, Markus, Mai, Huajun, Mathot, Serge, Mentler, Bernhard, Molteni, Ugo, Nie, Wei, Nieminen, Tuomo, Nowak, John B, Ojdanic, Andrea, Onnela, Antti, Passananti, Monica, Petäjä, Tuukka, Quéléver, Lauriane LJ, Rissanen, Matti P, Sarnela, Nina, Schallhart, Simon, Tauber, Christian, Tomé, António, Wagner, Robert, Wang, Mingyi, Weitz, Lena, Wimmer, Daniela, Xiao, Mao, Yan, Chao, Ye, Penglin, Zha, Qiaozhi, Baltensperger, Urs, Curtius, Joachim, Dommen, Josef, Flagan, Richard C, Kulmala, Markku, Smith, James N, Worsnop, Douglas R, Hansel, Armin, Donahue, Neil M, and Winkler, Paul M

Subjects
aerosols, nanoparticle growth, aerosol formation, CLOUD experiment, volatile organic compounds
Abstract

Nucleation and growth of aerosol particles from atmospheric vapors constitutes a major source of global cloud condensation nuclei (CCN). The fraction of newly formed particles that reaches CCN sizes is highly sensitive to particle growth rates, especially for particle sizes

Published
2018

4. Assessing the importance of nitric acid and ammonia for particle growth in the polluted boundary layer

Author

Marten, Ruby, primary, Xiao, Mao, additional, Wang, Mingyi, additional, Kong, Weimeng, additional, He, Xu-Cheng, additional, Stolzenburg, Dominik, additional, Pfeifer, Joschka, additional, Marie, Guillaume, additional, Wang, Dongyu S., additional, Elser, Miriam, additional, Baccarini, Andrea, additional, Lee, Chuan Ping, additional, Amorim, Antonio, additional, Baalbaki, Rima, additional, Bell, David M., additional, Bertozzi, Barbara, additional, Caudillo, Lucía, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Heinritzi, Martin, additional, Lampimäki, Markus, additional, Lehtipalo, Katrianne, additional, Manninen, Hanna E., additional, Mentler, Bernhard, additional, Onnela, Antti, additional, Petäjä, Tuukka, additional, Philippov, Maxim, additional, Rörup, Birte, additional, Scholz, Wiebke, additional, Shen, Jiali, additional, Tham, Yee Jun, additional, Tomé, António, additional, Wagner, Andrea C., additional, Weber, Stefan K., additional, Zauner-Wieczorek, Marcel, additional, Curtius, Joachim, additional, Kulmala, Markku, additional, Volkamer, Rainer, additional, Worsnop, Douglas R., additional, Dommen, Josef, additional, Flagan, Richard C., additional, Kirkby, Jasper, additional, McPherson Donahue, Neil, additional, Lamkaddam, Houssni, additional, Baltensperger, Urs, additional, and El Haddad, Imad, additional

Published
2024
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5. The role of low-volatility organic compounds in initial particle growth in the atmosphere

Author

Tröstl, Jasmin, Chuang, Wayne K, Gordon, Hamish, Heinritzi, Martin, Yan, Chao, Molteni, Ugo, Ahlm, Lars, Frege, Carla, Bianchi, Federico, Wagner, Robert, Simon, Mario, Lehtipalo, Katrianne, Williamson, Christina, Craven, Jill S, Duplissy, Jonathan, Adamov, Alexey, Almeida, Joao, Bernhammer, Anne-Kathrin, Breitenlechner, Martin, Brilke, Sophia, Dias, Antònio, Ehrhart, Sebastian, Flagan, Richard C, Franchin, Alessandro, Fuchs, Claudia, Guida, Roberto, Gysel, Martin, Hansel, Armin, Hoyle, Christopher R, Jokinen, Tuija, Junninen, Heikki, Kangasluoma, Juha, Keskinen, Helmi, Kim, Jaeseok, Krapf, Manuel, Kürten, Andreas, Laaksonen, Ari, Lawler, Michael, Leiminger, Markus, Mathot, Serge, Möhler, Ottmar, Nieminen, Tuomo, Onnela, Antti, Petäjä, Tuukka, Piel, Felix M, Miettinen, Pasi, Rissanen, Matti P, Rondo, Linda, Sarnela, Nina, Schobesberger, Siegfried, Sengupta, Kamalika, Sipilä, Mikko, Smith, James N, Steiner, Gerhard, Tomè, Antònio, Virtanen, Annele, Wagner, Andrea C, Weingartner, Ernest, Wimmer, Daniela, Winkler, Paul M, Ye, Penglin, Carslaw, Kenneth S, Curtius, Joachim, Dommen, Josef, Kirkby, Jasper, Kulmala, Markku, Riipinen, Ilona, Worsnop, Douglas R, Donahue, Neil M, and Baltensperger, Urs

Subjects
General Science & Technology
Abstract

About half of present-day cloud condensation nuclei originate from atmospheric nucleation, frequently appearing as a burst of new particles near midday. Atmospheric observations show that the growth rate of new particles often accelerates when the diameter of the particles is between one and ten nanometres. In this critical size range, new particles are most likely to be lost by coagulation with pre-existing particles, thereby failing to form new cloud condensation nuclei that are typically 50 to 100 nanometres across. Sulfuric acid vapour is often involved in nucleation but is too scarce to explain most subsequent growth, leaving organic vapours as the most plausible alternative, at least in the planetary boundary layer. Although recent studies predict that low-volatility organic vapours contribute during initial growth, direct evidence has been lacking. The accelerating growth may result from increased photolytic production of condensable organic species in the afternoon, and the presence of a possible Kelvin (curvature) effect, which inhibits organic vapour condensation on the smallest particles (the nano-Köhler theory), has so far remained ambiguous. Here we present experiments performed in a large chamber under atmospheric conditions that investigate the role of organic vapours in the initial growth of nucleated organic particles in the absence of inorganic acids and bases such as sulfuric acid or ammonia and amines, respectively. Using data from the same set of experiments, it has been shown that organic vapours alone can drive nucleation. We focus on the growth of nucleated particles and find that the organic vapours that drive initial growth have extremely low volatilities (saturation concentration less than 10(-4.5) micrograms per cubic metre). As the particles increase in size and the Kelvin barrier falls, subsequent growth is primarily due to more abundant organic vapours of slightly higher volatility (saturation concentrations of 10(-4.5) to 10(-0.5) micrograms per cubic metre). We present a particle growth model that quantitatively reproduces our measurements. Furthermore, we implement a parameterization of the first steps of growth in a global aerosol model and find that concentrations of atmospheric cloud concentration nuclei can change substantially in response, that is, by up to 50 per cent in comparison with previously assumed growth rate parameterizations.

Published
2016

6. Role of sesquiterpenes in biogenic new particle formation

Author

Dada, Lubna, primary, Stolzenburg, Dominik, additional, Simon, Mario, additional, Fischer, Lukas, additional, Heinritzi, Martin, additional, Wang, Mingyi, additional, Xiao, Mao, additional, Vogel, Alexander L., additional, Ahonen, Lauri, additional, Amorim, Antonio, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Baltensperger, Urs, additional, Bianchi, Federico, additional, Daellenbach, Kaspar R., additional, DeVivo, Jenna, additional, Dias, Antonio, additional, Dommen, Josef, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Hansel, Armin, additional, He, Xu-Cheng, additional, Hofbauer, Victoria, additional, Hoyle, Christopher R., additional, Kangasluoma, Juha, additional, Kim, Changhyuk, additional, Kürten, Andreas, additional, Kvashnin, Aleksander, additional, Mauldin, Roy, additional, Makhmutov, Vladimir, additional, Marten, Ruby, additional, Mentler, Bernhard, additional, Nie, Wei, additional, Petäjä, Tuukka, additional, Quéléver, Lauriane L. J., additional, Saathoff, Harald, additional, Tauber, Christian, additional, Tome, Antonio, additional, Molteni, Ugo, additional, Volkamer, Rainer, additional, Wagner, Robert, additional, Wagner, Andrea C., additional, Wimmer, Daniela, additional, Winkler, Paul M., additional, Yan, Chao, additional, Zha, Qiaozhi, additional, Rissanen, Matti, additional, Gordon, Hamish, additional, Curtius, Joachim, additional, Worsnop, Douglas R., additional, Lehtipalo, Katrianne, additional, Donahue, Neil M., additional, Kirkby, Jasper, additional, El Haddad, Imad, additional, and Kulmala, Markku, additional

Published
2023
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7. An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles

Author

Caudillo, Lucía, primary, Surdu, Mihnea, additional, Lopez, Brandon, additional, Wang, Mingyi, additional, Thoma, Markus, additional, Bräkling, Steffen, additional, Buchholz, Angela, additional, Simon, Mario, additional, Wagner, Andrea C., additional, Müller, Tatjana, additional, Granzin, Manuel, additional, Heinritzi, Martin, additional, Amorim, Antonio, additional, Bell, David M., additional, Brasseur, Zoé, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, He, Xu-Cheng, additional, Lamkaddam, Houssni, additional, Mahfouz, Naser G. A., additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Onnela, Antti, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Rörup, Birte, additional, Scholz, Wiebke, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Tauber, Christian, additional, Tian, Ping, additional, Tomé, António, additional, Umo, Nsikanabasi Silas, additional, Wang, Dongyu S., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Welti, André, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Worsnop, Douglas R., additional, Haddad, Imad El, additional, Donahue, Neil M., additional, Vogel, Alexander L., additional, Kürten, Andreas, additional, and Curtius, Joachim, additional

Published
2023
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8. Global atmospheric particle formation from CERN CLOUD measurements

Author

Dunne, Eimear M., Gordon, Hamish, Kürten, Andreas, Almeida, João, Duplissy, Jonathan, Williamson, Christina, Ortega, Ismael K., Pringle, Kirsty J., Adamov, Alexey, Baltensperger, Urs, Barmet, Peter, Benduhn, Francois, Bianchi, Federico, Breitenlechner, Martin, Clarke, Antony, Curtius, Joachim, Dommen, Josef, Donahue, Neil M., Ehrhart, Sebastian, Flagan, Richard C., Franchin, Alessandro, Guida, Roberto, Hakala, Jani, Hansel, Armin, Heinritzi, Martin, Jokinen, Tuija, Kangasluoma, Juha, Kirkby, Jasper, Kulmala, Markku, Kupc, Agnieszka, Lawler, Michael J., Lehtipalo, Katrianne, Makhmutov, Vladimir, Mann, Graham, Mathot, Serge, Merikanto, Joonas, Miettinen, Pasi, Nenes, Athanasios, Onnela, Antti, Rap, Alexandra, Reddington, Carly L. S., Riccobono, Francesco, Richards, Nigel A. D., Rissanen, Matti P., Rondo, Linda, Sarnela, Nina, Schobesberger, Siegfried, Sengupta, Kamalika, Simon, Mario, Sipilä, Mikko, Smith, James N., Stozkhov, Yuri, Tomé, Antonio, Tröstl, Jasmin, Wagner, Paul E., Wimmer, Daniela, Winkler, Paul M., Worsnop, Douglas R., and Carslaw, Kenneth S.

Published
2016

10. Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere

Author

He, Xu-Cheng, Simon, Mario, Iyer, Siddharth, Xie, Hong-Bin, Rörup, Birte, Shen, Jiali, Finkenzeller, Henning, Stolzenburg, Dominik, Zhang, Rongjie, Baccarini, Andrea, Tham, Yee Jun, Wang, Mingyi, Amanatidis, Stavros, Piedehierro, Ana A., Amorim, Antonio, Baalbaki, Rima, Brasseur, Zoé, Caudillo, Lucía, Chu, Biwu, Dada, Lubna, Duplissy, Jonathan, El Haddad, Imad, Flagan, Richard C., Granzin, Manuel, Hansel, Armin, Heinritzi, Martin, Hofbauer, Victoria, Jokinen, Tuija, Kemppainen, Deniz, Kong, Weimeng, Krechmer, Jordan, Kürten, Andreas, Lamkaddam, Houssni, Lopez, Brandon, Ma, Fangfang, Mahfouz, Naser G. A., Makhmutov, Vladimir, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Massabò, Dario, Mauldin, Roy L., Mentler, Bernhard, Onnela, Antti, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Ranjithkumar, Ananth, Rissanen, Matti P., Schobesberger, Siegfried, Scholz, Wiebke, Schulze, Benjamin, Surdu, Mihnea, Thakur, Roseline C., Tomé, António, Wagner, Andrea C., Wang, Dongyu, Wang, Yonghong, Weber, Stefan K., Welti, André, Winkler, Paul M., Zauner-Wieczorek, Marcel, Baltensperger, Urs, Curtius, Joachim, Kurtén, Theo, Worsnop, Douglas R., Volkamer, Rainer, Lehtipalo, Katrianne, Kirkby, Jasper, Donahue, Neil M., Sipilä, Mikko, Kulmala, Markku, He, Xu-Cheng, Simon, Mario, Iyer, Siddharth, Xie, Hong-Bin, Rörup, Birte, Shen, Jiali, Finkenzeller, Henning, Stolzenburg, Dominik, Zhang, Rongjie, Baccarini, Andrea, Tham, Yee Jun, Wang, Mingyi, Amanatidis, Stavros, Piedehierro, Ana A., Amorim, Antonio, Baalbaki, Rima, Brasseur, Zoé, Caudillo, Lucía, Chu, Biwu, Dada, Lubna, Duplissy, Jonathan, El Haddad, Imad, Flagan, Richard C., Granzin, Manuel, Hansel, Armin, Heinritzi, Martin, Hofbauer, Victoria, Jokinen, Tuija, Kemppainen, Deniz, Kong, Weimeng, Krechmer, Jordan, Kürten, Andreas, Lamkaddam, Houssni, Lopez, Brandon, Ma, Fangfang, Mahfouz, Naser G. A., Makhmutov, Vladimir, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Massabò, Dario, Mauldin, Roy L., Mentler, Bernhard, Onnela, Antti, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Ranjithkumar, Ananth, Rissanen, Matti P., Schobesberger, Siegfried, Scholz, Wiebke, Schulze, Benjamin, Surdu, Mihnea, Thakur, Roseline C., Tomé, António, Wagner, Andrea C., Wang, Dongyu, Wang, Yonghong, Weber, Stefan K., Welti, André, Winkler, Paul M., Zauner-Wieczorek, Marcel, Baltensperger, Urs, Curtius, Joachim, Kurtén, Theo, Worsnop, Douglas R., Volkamer, Rainer, Lehtipalo, Katrianne, Kirkby, Jasper, Donahue, Neil M., Sipilä, Mikko, and Kulmala, Markku

Abstract

The main nucleating vapor in the atmosphere is thought to be sulfuric acid (H2SO4), stabilized by ammonia (NH3). However, in marine and polar regions, NH3 is generally low, and H2SO4 is frequently found together with iodine oxoacids [HIOx, i.e., iodic acid (HIO3) and iodous acid (HIO2)]. In experiments performed with the CERN CLOUD (Cosmics Leaving OUtdoor Droplets) chamber, we investigated the interplay of H2SO4 and HIOx during atmospheric particle nucleation. We found that HIOx greatly enhances H2SO4(-NH3) nucleation through two different interactions. First, HIO3 strongly binds with H2SO4 in charged clusters so they drive particle nucleation synergistically. Second, HIO2 substitutes for NH3, forming strongly bound H2SO4-HIO2 acid-base pairs in molecular clusters. Global observations imply that HIOx is enhancing H2SO4(-NH3) nucleation rates 10- to 10,000-fold in marine and polar regions.

Published
2023

11. Reduced anthropogenic aerosol radiative forcing caused by biogenic new particle formation

Author

Gordon, Hamish, Sengupta, Kamalika, Rap, Alexandru, Duplissy, Jonathan, Frege, Carla, Williamson, Christina, Heinritzi, Martin, Simon, Mario, Yan, Chao, Almeida, João, Tröstl, Jasmin, Nieminen, Tuomo, Ortega, Ismael K., Wagner, Robert, Dunne, Eimear M., Adamov, Alexey, Amorim, Antonio, Bernhammer, Anne-Kathrin, Bianchi, Federico, Breitenlechner, Martin, Brilke, Sophia, Chen, Xuemeng, Craven, Jill S., Dias, Antonio, Ehrhart, Sebastian, Fischer, Lukas, Flagan, Richard C., Franchin, Alessandro, Fuchs, Claudia, Guida, Roberto, Hakala, Jani, Hoyle, Christopher R., Jokinen, Tuija, Junninen, Heikki, Kangasluoma, Juha, Kim, Jaeseok, Kirkby, Jasper, Krapf, Manuel, Kürten, Andreas, Laaksonen, Ari, Lehtipalo, Katrianne, Makhmutov, Vladimir, Mathot, Serge, Molteni, Ugo, Monks, Sarah A., Onnela, Antti, Peräkylä, Otso, Piel, Felix, Petäjä, Tuukka, Praplan, Arnaud P., Pringle, Kirsty J., Richards, Nigel A. D., Rissanen, Matti P., Rondo, Linda, Sarnela, Nina, Schobesberger, Siegfried, Scott, Catherine E., Seinfeld, John H., Sharma, Sangeeta, Sipilä, Mikko, Steiner, Gerhard, Stozhkov, Yuri, Stratmann, Frank, Tomé, Antonio, Virtanen, Annele, Vogel, Alexander Lucas, Wagner, Andrea C., Wagner, Paul E., Weingartner, Ernest, Wimmer, Daniela, Winkler, Paul M., Ye, Penglin, Zhang, Xuan, Hansel, Armin, Dommen, Josef, Donahue, Neil M., Worsnop, Douglas R., Baltensperger, Urs, Kulmala, Markku, Curtius, Joachim, and Carslaw, Kenneth S.

Published
2016

12. Interactions of peroxy radicals from monoterpene and isoprene oxidation simulated in the radical volatility basis setElectronic supplementary information (ESI) available. See DOI: https://doi.org/10.1039/d4ea00056k

Author

Schervish, Meredith, Heinritzi, Martin, Stolzenburg, Dominik, Dada, Lubna, Wang, Mingyi, Ye, Qing, Hofbauer, Victoria, DeVivo, Jenna, Bianchi, Federico, Brilke, Sophia, Duplissy, Jonathan, El Haddad, Imad, Finkenzeller, Henning, He, Xu-Cheng, Kvashnin, Aleksander, Kim, Changhyuk, Kirkby, Jasper, Kulmala, Markku, Lehtipalo, Katrianne, Lopez, Brandon, Makhmutov, Vladimir, Mentler, Bernhard, Molteni, Ugo, Nie, Wei, Petäjä, Tuuka, Quéléver, Lauriane, Volkamer, Rainer, Wagner, Andrea C., Winkler, Paul, Yan, Chao, and Donahue, Neil M.

Abstract

Isoprene affects new particle formation rates in environments and experiments also containing monoterpenes. For the most part, isoprene reduces particle formation rates, but the reason is debated. It is proposed that due to its fast reaction with OH, isoprene may compete with larger monoterpenes for oxidants. However, by forming a large amount of peroxy-radicals (RO2), isoprene may also interfere with the formation of the nucleating species compared to a purely monoterpene system. We explore the RO2cross reactions between monoterpene and isoprene oxidation products using the radical Volatility Basis Set (radical-VBS), a simplified reaction mechanism, comparing with observations from the CLOUD experiment at CERN. We find that isoprene interferes with covalently bound C20dimers formed in the pure monoterpene system and consequently reduces the yields of the lowest volatility (Ultra Low Volatility Organic Carbon, ULVOC) VBS products. This in turn reduces nucleation rates, while having less of an effect on subsequent growth rates.

Published
2024
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13. The gas-phase formation mechanism of iodic acid as an atmospheric aerosol source

Author

Finkenzeller, Henning, primary, Iyer, Siddharth, additional, He, Xu-Cheng, additional, Simon, Mario, additional, Koenig, Theodore K., additional, Lee, Christopher F., additional, Valiev, Rashid, additional, Hofbauer, Victoria, additional, Amorim, Antonio, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Beck, Lisa, additional, Bell, David M., additional, Caudillo, Lucía, additional, Chen, Dexian, additional, Chiu, Randall, additional, Chu, Biwu, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Heinritzi, Martin, additional, Kemppainen, Deniz, additional, Kim, Changhyuk, additional, Krechmer, Jordan, additional, Kürten, Andreas, additional, Kvashnin, Alexandr, additional, Lamkaddam, Houssni, additional, Lee, Chuan Ping, additional, Lehtipalo, Katrianne, additional, Li, Zijun, additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Müller, Tatjana, additional, Petäjä, Tuukka, additional, Philippov, Maxim, additional, Ranjithkumar, Ananth, additional, Rörup, Birte, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tomé, António, additional, Vazquez-Pufleau, Miguel, additional, Wagner, Andrea C., additional, Wang, Dongyu S., additional, Wang, Mingyi, additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Nie, Wei, additional, Wu, Yusheng, additional, Xiao, Mao, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Hansel, Armin, additional, Baltensperger, Urs, additional, Brioude, Jérome, additional, Curtius, Joachim, additional, Donahue, Neil M., additional, Haddad, Imad El, additional, Flagan, Richard C., additional, Kulmala, Markku, additional, Kirkby, Jasper, additional, Sipilä, Mikko, additional, Worsnop, Douglas R., additional, Kurten, Theo, additional, Rissanen, Matti, additional, and Volkamer, Rainer, additional

Published
2022
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14. High Gas-Phase Methanesulfonic Acid Production in the OH-Initiated Oxidation of Dimethyl Sulfide at Low Temperatures

Author

Shen, Jiali, primary, Scholz, Wiebke, additional, He, Xu-Cheng, additional, Zhou, Putian, additional, Marie, Guillaume, additional, Wang, Mingyi, additional, Marten, Ruby, additional, Surdu, Mihnea, additional, Rörup, Birte, additional, Baalbaki, Rima, additional, Amorim, Antonio, additional, Ataei, Farnoush, additional, Bell, David M., additional, Bertozzi, Barbara, additional, Brasseur, Zoé, additional, Caudillo, Lucía, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Granzin, Manuel, additional, Guida, Roberto, additional, Heinritzi, Martin, additional, Hofbauer, Victoria, additional, Iyer, Siddharth, additional, Kemppainen, Deniz, additional, Kong, Weimeng, additional, Krechmer, Jordan E., additional, Kürten, Andreas, additional, Lamkaddam, Houssni, additional, Lee, Chuan Ping, additional, Lopez, Brandon, additional, Mahfouz, Naser G. A., additional, Manninen, Hanna E., additional, Massabò, Dario, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Müller, Tatjana, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Roldin, Pontus, additional, Schobesberger, Siegfried, additional, Simon, Mario, additional, Stolzenburg, Dominik, additional, Tham, Yee Jun, additional, Tomé, António, additional, Umo, Nsikanabasi Silas, additional, Wang, Dongyu, additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Welti, André, additional, Wollesen de Jonge, Robin, additional, Wu, Yusheng, additional, Zauner-Wieczorek, Marcel, additional, Zust, Felix, additional, Baltensperger, Urs, additional, Curtius, Joachim, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Möhler, Ottmar, additional, Petäjä, Tuukka, additional, Volkamer, Rainer, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Rissanen, Matti, additional, Kirkby, Jasper, additional, El-Haddad, Imad, additional, Bianchi, Federico, additional, Sipilä, Mikko, additional, Donahue, Neil M., additional, and Worsnop, Douglas R., additional

Published
2022
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15. Critical Role of Iodous Acid in Neutral Iodine Oxoacid Nucleation

Author

Zhang, Rongjie, primary, Xie, Hong-Bin, additional, Ma, Fangfang, additional, Chen, Jingwen, additional, Iyer, Siddharth, additional, Simon, Mario, additional, Heinritzi, Martin, additional, Shen, Jiali, additional, Tham, Yee Jun, additional, Kurtén, Theo, additional, Worsnop, Douglas R., additional, Kirkby, Jasper, additional, Curtius, Joachim, additional, Sipilä, Mikko, additional, Kulmala, Markku, additional, and He, Xu-Cheng, additional

Published
2022
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17. An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles

Author

Caudillo, Lucía, primary, Surdu, Mihnea, additional, Lopez, Brandon, additional, Wang, Mingyi, additional, Thoma, Markus, additional, Bräkling, Steffen, additional, Buchholz, Angela, additional, Simon, Mario, additional, Wagner, Andrea C., additional, Müller, Tatjana, additional, Granzin, Manuel, additional, Heinritzi, Martin, additional, Amorim, Antonio, additional, Bell, David M., additional, Brasseur, Zoé, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, He, Xu-Cheng, additional, Lamkaddam, Houssni, additional, Mahfouz, Naser G. A., additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Onnela, Antti, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Rörup, Birte, additional, Scholz, Wiebke, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Tauber, Christian, additional, Tian, Ping, additional, Tomé, António, additional, Umo, Nsikanabasi Silas, additional, Wang, Dongyu S., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Welti, André, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Worsnop, Douglas R., additional, Haddad, Imad El, additional, Donahue, Neil M., additional, Vogel, Alexander L., additional, Kürten, Andreas, additional, and Curtius, Joachim, additional

Published
2022
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18. Supplementary material to "An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles"

Author

Caudillo, Lucía, primary, Surdu, Mihnea, additional, Lopez, Brandon, additional, Wang, Mingyi, additional, Thoma, Markus, additional, Bräkling, Steffen, additional, Buchholz, Angela, additional, Simon, Mario, additional, Wagner, Andrea C., additional, Müller, Tatjana, additional, Granzin, Manuel, additional, Heinritzi, Martin, additional, Amorim, Antonio, additional, Bell, David M., additional, Brasseur, Zoé, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, He, Xu-Cheng, additional, Lamkaddam, Houssni, additional, Mahfouz, Naser G. A., additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Onnela, Antti, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Rörup, Birte, additional, Scholz, Wiebke, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Tauber, Christian, additional, Tian, Ping, additional, Tomé, António, additional, Umo, Nsikanabasi Silas, additional, Wang, Dongyu S., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Welti, André, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Worsnop, Douglas R., additional, Haddad, Imad El, additional, Donahue, Neil M., additional, Vogel, Alexander L., additional, Kürten, Andreas, additional, and Curtius, Joachim, additional

Published
2022
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19. Cleaner Skies during the COVID-19 Lockdown

Author

Voigt, Christiane, primary, Lelieveld, Jos, additional, Schlager, Hans, additional, Schneider, Johannes, additional, Curtius, Joachim, additional, Meerkötter, Ralf, additional, Sauer, Daniel, additional, Bugliaro, Luca, additional, Bohn, Birger, additional, Crowley, John N., additional, Erbertseder, Thilo, additional, Groß, Silke, additional, Hahn, Valerian, additional, Li, Qiang, additional, Mertens, Mariano, additional, Pöhlker, Mira L., additional, Pozzer, Andrea, additional, Schumann, Ulrich, additional, Tomsche, Laura, additional, Williams, Jonathan, additional, Zahn, Andreas, additional, Andreae, Meinrat, additional, Borrmann, Stephan, additional, Bräuer, Tiziana, additional, Dörich, Raphael, additional, Dörnbrack, Andreas, additional, Edtbauer, Achim, additional, Ernle, Lisa, additional, Fischer, Horst, additional, Giez, Andreas, additional, Granzin, Manuel, additional, Grewe, Volker, additional, Harder, Hartwig, additional, Heinritzi, Martin, additional, Holanda, Bruna A., additional, Jöckel, Patrick, additional, Kaiser, Katharina, additional, Krüger, Ovid O., additional, Lucke, Johannes, additional, Marsing, Andreas, additional, Martin, Anna, additional, Matthes, Sigrun, additional, Pöhlker, Christopher, additional, Pöschl, Ulrich, additional, Reifenberg, Simon, additional, Ringsdorf, Akima, additional, Scheibe, Monika, additional, Tadic, Ivan, additional, Zauner-Wieczorek, Marcel, additional, Henke, Rolf, additional, and Rapp, Markus, additional

Published
2022
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20. Neutral molecular cluster formation of sulfuric acid-dimethylamine observed in real time under atmospheric conditions

Author

Kürten, Andreas, Jokinen, Tuija, Simon, Mario, Sipilä, Mikko, Sarnela, Nina, Junninen, Heikki, Adamov, Alexey, Almeida, João, Amorim, Antonio, Bianchi, Federico, Breitenlechner, Martin, Dommen, Josef, Donahue, Neil M., Duplissy, Jonathan, Ehrhart, Sebastian, Flagan, Richard C., Franchin, Alessandro, Hakala, Jani, Hansel, Armin, Heinritzi, Martin, Hutterli, Manuel, Kangasluoma, Juha, Kirkby, Jasper, Laaksonen, Ari, Lehtipalo, Katrianne, Leiminger, Markus, Makhmutov, Vladimir, Mathot, Serge, Onnela, Antti, Petäjä, Tuukka, Praplan, Arnaud P., Riccobono, Francesco, Rissanen, Matti P., Rondo, Linda, Schobesberger, Siegfried, Seinfeld, John H., Steiner, Gerhard, Tomé, António, Tröstl, Jasmin, Winkler, Paul M., Williamson, Christina, Wimmer, Daniela, Ye, Penglin, Baltensperger, Urs, Carslaw, Kenneth S., Kulmala, Markku, Worsnop, Douglas R., and Curtius, Joachim

Published
2014

21. Ion-induced nucleation of pure biogenic particles

Author

Kirkby, Jasper, Duplissy, Jonathan, Sengupta, Kamalika, Frege, Carla, Gordon, Hamish, Williamson, Christina, Heinritzi, Martin, Simon, Mario, Yan, Chao, Almeida, Joao, Amorim, Antonio, Bernhammer, Anne-Kathrin, Bianchi, Federico, Breitenlechner, Martin, Brilke, Sophia, and Chen, Xuemeng

Subjects
Vapors -- Chemical properties, Nucleation -- Research, Aerosols -- Chemical properties, Ions -- Chemical properties, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Aerosol particles can form in the atmosphere by nucleation of highly oxidized biogenic vapours in the absence of sulfuric acid, with ions from Galactic cosmic rays increasing the nucleation rate by one to two orders of magnitude compared with neutral nucleation. Aerosol particles can form in the atmosphere by nucleation of highly oxidized biogenic vapours in the absence of sulfuric acid, with ions from Galactic cosmic rays increasing the nucleation rate by one to two orders of magnitude compared with neutral nucleation. Aerosol particle formation in clean air The effect of atmospheric aerosols on clouds and the radiative forcing of the climate system remains poorly understood. It is thought that nucleation of aerosol particles from atmospheric vapours rarely proceeds in the absence of sulfuric acid. Now two papers in this week's Nature point to a previously unappreciated role for highly oxygenated molecules (HOMs) in promoting new particle formation and growth, essentially a mechanism that produces aerosols in the absence of pollution. Jasper Kirkby et al. show that aerosol particles can form as a result of ion-induced nucleation of HOMs in the absence of sulfuric acid under conditions relevant to the atmosphere in the CLOUD chamber at CERN. Jasmin Tröstl et al. examined the role of organic vapours in the initial growth of nucleated organic particles in the absence of sulfuric acid in the CERN CLOUD chamber under atmospheric conditions. They find that the organic vapours driving initial growth have extremely low volatilities. With increasing particle size, subsequent growth is primarily due to more abundant organic vapours of slightly higher volatility. Atmospheric aerosols and their effect on clouds are thought to be important for anthropogenic radiative forcing of the climate, yet remain poorly understood.sup.1. Globally, around half of cloud condensation nuclei originate from nucleation of atmospheric vapours.sup.2. It is thought that sulfuric acid is essential to initiate most particle formation in the atmosphere.sup.3,4, and that ions have a relatively minor role.sup.5. Some laboratory studies, however, have reported organic particle formation without the intentional addition of sulfuric acid, although contamination could not be excluded.sup.6,7. Here we present evidence for the formation of aerosol particles from highly oxidized biogenic vapours in the absence of sulfuric acid in a large chamber under atmospheric conditions. The highly oxygenated molecules (HOMs) are produced by ozonolysis of [alpha]-pinene. We find that ions from Galactic cosmic rays increase the nucleation rate by one to two orders of magnitude compared with neutral nucleation. Our experimental findings are supported by quantum chemical calculations of the cluster binding energies of representative HOMs. Ion-induced nucleation of pure organic particles constitutes a potentially widespread source of aerosol particles in terrestrial environments with low sulfuric acid pollution., Author(s): Jasper Kirkby [sup.1] [sup.2] , Jonathan Duplissy [sup.3] [sup.4] , Kamalika Sengupta [sup.5] , Carla Frege [sup.6] , Hamish Gordon [sup.2] , Christina Williamson [sup.1] [sup.24] , Martin Heinritzi [...]

Published
2016
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22. Survival of newly formed particles in haze conditions

Author

Marten, Ruby, primary, Xiao, Mao, additional, Rörup, Birte, additional, Wang, Mingyi, additional, Kong, Weimeng, additional, He, Xu-Cheng, additional, Stolzenburg, Dominik, additional, Pfeifer, Joschka, additional, Marie, Guillaume, additional, Wang, Dongyu S., additional, Scholz, Wiebke, additional, Baccarini, Andrea, additional, Lee, Chuan Ping, additional, Amorim, Antonio, additional, Baalbaki, Rima, additional, Bell, David M., additional, Bertozzi, Barbara, additional, Caudillo, Lucía, additional, Chu, Biwu, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Carracedo, Loïc Gonzalez, additional, Granzin, Manuel, additional, Hansel, Armin, additional, Heinritzi, Martin, additional, Hofbauer, Victoria, additional, Kemppainen, Deniz, additional, Kürten, Andreas, additional, Lampimäki, Markus, additional, Lehtipalo, Katrianne, additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Mentler, Bernhard, additional, Petäjä, Tuukka, additional, Philippov, Maxim, additional, Shen, Jiali, additional, Simon, Mario, additional, Stozhkov, Yuri, additional, Tomé, António, additional, Wagner, Andrea C., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wu, Yusheng, additional, Zauner-Wieczorek, Marcel, additional, Curtius, Joachim, additional, Kulmala, Markku, additional, Möhler, Ottmar, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Dommen, Josef, additional, Flagan, Richard C., additional, Kirkby, Jasper, additional, Donahue, Neil M., additional, Lamkaddam, Houssni, additional, Baltensperger, Urs, additional, and El Haddad, Imad, additional

Published
2022
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23. Chemical composition of nanoparticles from <i>α</i>-pinene nucleation and the influence of isoprene and relative humidity at low temperature

Author

Caudillo, Lucía, primary, Rörup, Birte, additional, Heinritzi, Martin, additional, Marie, Guillaume, additional, Simon, Mario, additional, Wagner, Andrea C., additional, Müller, Tatjana, additional, Granzin, Manuel, additional, Amorim, Antonio, additional, Ataei, Farnoush, additional, Baalbaki, Rima, additional, Bertozzi, Barbara, additional, Brasseur, Zoé, additional, Chiu, Randall, additional, Chu, Biwu, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Gonzalez Carracedo, Loïc, additional, He, Xu-Cheng, additional, Hofbauer, Victoria, additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan P., additional, Lopez, Brandon, additional, Mahfouz, Naser G. A., additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marten, Ruby, additional, Massabò, Dario, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Onnela, Antti, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Schervish, Meredith, additional, Scholz, Wiebke, additional, Schulze, Benjamin, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Stozhkov, Yuri, additional, Surdu, Mihnea, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tian, Ping, additional, Tomé, António, additional, Vogt, Steffen, additional, Wang, Mingyi, additional, Wang, Dongyu S., additional, Weber, Stefan K., additional, Welti, André, additional, Yonghong, Wang, additional, Yusheng, Wu, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, El Haddad, Imad, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Höhler, Kristina, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Möhler, Ottmar, additional, Saathoff, Harald, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Donahue, Neil M., additional, Kürten, Andreas, additional, and Curtius, Joachim, additional

Published
2021
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24. Role of iodine oxoacids in atmospheric aerosol nucleation

Author

He, Xu-Cheng, Tham, Yee Jun, Dada, Lubna, Wang, Mingyi, Finkenzeller, Henning, Stolzenburg, Dominik, Iyer, Siddharth, Simon, Mario, Kürten, Andreas, Shen, Jiali, Rörup, Birte, Rissanen, Matti, Schobesberger, Siegfried, Baalbaki, Rima, Wang, Dongyu S., Koenig, Theodore K., Jokinen, Tuija, Sarnela, Nina, Beck, Lisa J., Almeida, João, Amanatidis, Stavros, Amorim, António, Ataei, Farnoush, Baccarini, Andrea, Bertozzi, Barbara, Bianchi, Federico, Brilke, Sophia, Caudillo, Lucía, Chen, Dexian, Chiu, Randall, Chu, Biwu, Dias, António, Ding, Aijun, Dommen, Josef, Duplissy, Jonathan, El Haddad, Imad, Gonzalez Carracedo, Loïc, Granzin, Manuel, Hansel, Armin, Heinritzi, Martin, Hofbauer, Victoria, Junninen, Heikki, Kangasluoma, Juha, Kemppainen, Deniz, Kim, Changhyuk, Kong, Weimeng, Krechmer, Jordan E., Kvashin, Aleksander, Laitinen, Totti, Lamkaddam, Houssni, Lee, Chuan Ping, Lehtipalo, Katrianne, Leiminger, Markus, Li, Zijun, Makhmutov, Vladimir, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Mathot, Serge, Mauldin, Roy L., Mentler, Bernhard, Möhler, Ottmar, Müller, Tatjana, Nie, Wei, Onnela, Antti, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Ranjithkumar, Ananth, Saiz-Lopez, Alfonso, Salma, Imre, Scholz, Wiebke, Schuchmann, Simone, Schulze, Benjamin, Steiner, Gerhard, Stozhkov, Yuri, Tauber, Christian, Tomé, António, Thakur, Roseline C., Väisänen, Olli, Vazquez-Pufleau, Miguel, Wagner, Andrea C., Wang, Yonghong, Weber, Stefan K., Winkler, Paul M., Wu, Yusheng, Xiao, Mao, Yan, Chao, Ye, Qing, Ylisirniö, Arttu, Zauner-Wieczorek, Marcel, Zha, Qiaozhi, Zhou, Putian, Flagan, Richard C., Curtius, Joachim, Baltensperger, Urs, Kulmala, Markku, Kerminen, Veli-Matti, Kurtén, Theo, Donahue, Neil M., Volkamer, Rainer, Kirkby, Jasper, Worsnop, Douglas R., Sipilä, Mikko, Tampere University, Physics, European Organization for Nuclear Research, Academy of Finland, European Commission, Consejo Superior de Investigaciones Científicas (España), Austrian Science Fund, Swiss National Science Foundation, National Science Foundation (US), Federal Ministry of Education and Research (Germany), Fundação para a Ciência e a Tecnologia (Portugal), Jiangsu Collaborative Innovation Center of Climate Change, Estonian Research Council, National Research, Development and Innovation Office (Hungary), and National Aeronautics and Space Administration (US)

Subjects
Earth sciences, ddc:550, 114 Physical sciences
Abstract

8 pags., 5 figs., Iodic acid (HIO) is known to form aerosol particles in coastal marine regions, but predicted nucleation and growth rates are lacking. Using the CERN CLOUD (Cosmics Leaving Outdoor Droplets) chamber, we find that the nucleation rates of HIOparticles are rapid, even exceeding sulfuric acid-ammonia rates under similar conditions. We also find that ion-induced nucleation involves IOand the sequential addition of HIOand that it proceeds at the kinetic limit below +10°C. In contrast, neutral nucleation involves the repeated sequential addition of iodous acid (HIO) followed by HIO, showing that HIOplays a key stabilizing role. Freshly formed particles are composed almost entirely of HIO, which drives rapid particle growth at the kinetic limit. Our measurements indicate that iodine oxoacid particle formation can compete with sulfuric acid in pristine regions of the atmosphere., We thank the European Organization for Nuclear Research (CERN) for supporting CLOUD with important technical and financial resources and for providing a particle beam from the CERN Proton Synchrotron. This research has received support from the Academy of Finland (projects 316114, 307331, 310682, 266388, 3282290, 306853, 296628, 229574, 333397, 326948, and 1325656); the European Research Council (projects 692891, 616075, 764991, 316662, 742206, and 714621); CSC – Finnish IT center; the EC Seventh Framework Programme and the EU H2020 programme Marie Skłodowska Curie ITN “CLOUD-TRAIN” (316662) and “CLOUD-MOTION” (764991); Austrian Science Fund (FWF) (J3951-N36 and P27295-N20); the Swiss National Science Foundation (20FI20_159851, 200021_169090, 200020_172602, and 20FI20_172622); the U.S. National Science Foundation (grants AGS1447056, AGS1439551, AGS1801574, AGS1620530, AGS1801897, AGS153128, AGS1649147, AGS1801280, AGS1602086, and AGS1801329); MSCA H2020 COFUND-FP-CERN2014 fellowship (665779); German Federal Ministry of Education and Research: CLOUD-16 (01LK1601A); Portuguese Foundation for Science and Technology (CERN/FIS-COM/0014/2017); Academy of Finland Centre of Excellence in Atmospheric Sciences (grant 272041); European Regional Development Fund (project MOBTT42); Jiangsu Collaborative Innovation Center for Climate Change; Yangtze River Delta Atmosphere and Earth System Science National Observation and Research Station; Estonian Research Council (project PRG714); Hungarian National Research, Development and Innovation Office (K116788 and K132254); NASA Graduate Fellowship (NASA-NNX16AP36H); and ACTRIS 2TNA H2020 OCTAVE (654109).

Published
2021

25. An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles.

Author

Caudillo, Lucía, Surdu, Mihnea, Lopez, Brandon, Mingyi Wang, Thoma, Markus, Bräkling, Steffen, Buchholz, Angela, Simon, Mario, Wagner, Andrea C., Müller, Tatjana, Granzin, Manuel, Heinritzi, Martin, Amorim, Antonio, Bell, David M., Brasseur, Zoé, Dada, Lubna, Duplissy, Jonathan, Finkenzeller, Henning, Xu-Cheng He, and Lamkaddam, Houssni

Abstract

Currently, the complete chemical characterization of nanoparticles (<100 nm) represents an analytical challenge, since these particles are abundant in number but have negligible mass. Several methods for particle-phase characterization have been recently developed to better detect and infer more accurately the sources and fates of ultra-fine particles, but a detailed comparison of different approaches is missing. Here we report on the chemical composition of secondary organic aerosol (SOA) nanoparticles from experimental studies of α-pinene ozonolysis at -50 ºC, -30 ºC, and -10 ºC, and inter-compare the results measured by different techniques. The experiments were performed at the Cosmics Leaving OUtdoor Droplets (CLOUD) chamber at the European Organization for Nuclear Research (CERN). The chemical composition was measured simultaneously by four different techniques: 1) Thermal Desorption-Differential Mobility Analyzer (TD-DMA) coupled to a NO3 - chemical ionization-atmospheric-pressure-interface-time-of-flight (CI-APi-TOF) mass spectrometer, 2) Filter Inlet for Gases and AEROsols (FIGAERO) coupled to an I- high-resolution time-of-flight chemical-ionization mass spectrometer (HRToF-CIMS), 3) Extractive Electrospray Na+ Ionization time-of-flight mass spectrometer (EESI-TOF), and 4) Offline analysis of filters (FILTER) using Ultra-high-performance liquid chromatography (UHPLC) and heated electrospray ionization (HESI) coupled to an Orbitrap high-resolution mass spectrometer (HRMS). Intercomparison was performed by contrasting the observed chemical composition as a function of oxidation state and carbon number, by calculating the volatility and comparing the fraction of volatility classes, and by comparing the thermal desorption behavior (for the thermal desorption techniques: TD-DMA and FIGAERO) and performing positive matrix factorization (PMF) analysis for the thermograms. We found that the methods generally agree on the most important compounds that are found in the nanoparticles. However, they do see different parts of the organic spectrum. We suggest potential explanations for these differences: thermal decomposition, aging, sampling artifacts, etc. We applied PMF analysis and found insights of thermal decomposition in the TD-DMA and the FIGAERO. [ABSTRACT FROM AUTHOR]

Published
2022
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26. Molecular understanding of sulphuric acid–amine particle nucleation in the atmosphere

Author

Almeida, João, Schobesberger, Siegfried, Kürten, Andreas, Ortega, Ismael K., Kupiainen-Määttä, Oona, Praplan, Arnaud P., Adamov, Alexey, Amorim, Antonio, Bianchi, Federico, Breitenlechner, Martin, David, André, Dommen, Josef, Donahue, Neil M., Downard, Andrew, Dunne, Eimear, Duplissy, Jonathan, Ehrhart, Sebastian, Flagan, Richard C., Franchin, Alessandro, Guida, Roberto, Hakala, Jani, Hansel, Armin, Heinritzi, Martin, Henschel, Henning, Jokinen, Tuija, Junninen, Heikki, Kajos, Maija, Kangasluoma, Juha, Keskinen, Helmi, Kupc, Agnieszka, Kurtén, Theo, Kvashin, Alexander N., Laaksonen, Ari, Lehtipalo, Katrianne, Leiminger, Markus, Leppä, Johannes, Loukonen, Ville, Makhmutov, Vladimir, Mathot, Serge, McGrath, Matthew J., Nieminen, Tuomo, Olenius, Tinja, Onnela, Antti, Petäjä, Tuukka, Riccobono, Francesco, Riipinen, Ilona, Rissanen, Matti, Rondo, Linda, Ruuskanen, Taina, Santos, Filipe D., Sarnela, Nina, Schallhart, Simon, Schnitzhofer, Ralf, Seinfeld, John H., Simon, Mario, Sipilä, Mikko, Stozhkov, Yuri, Stratmann, Frank, Tomé, Antonio, Tröstl, Jasmin, Tsagkogeorgas, Georgios, Vaattovaara, Petri, Viisanen, Yrjo, Virtanen, Annele, Vrtala, Aron, Wagner, Paul E., Weingartner, Ernest, Wex, Heike, Williamson, Christina, Wimmer, Daniela, Ye, Penglin, Yli-Juuti, Taina, Carslaw, Kenneth S., Kulmala, Markku, Curtius, Joachim, Baltensperger, Urs, Worsnop, Douglas R., Vehkamäki, Hanna, and Kirkby, Jasper

Published
2013
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27. Supplementary material to &quot;Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature&quot;

Author

Caudillo, Lucía, primary, Rörup, Birte, additional, Heinritzi, Martin, additional, Marie, Guillaume, additional, Simon, Mario, additional, Wagner, Andrea C., additional, Müller, Tatjana, additional, Granzin, Manuel, additional, Amorim, Antonio, additional, Ataei, Farnoush, additional, Baalbaki, Rima, additional, Bertozzi, Barbara, additional, Brasseur, Zoé, additional, Chiu, Randall, additional, Chu, Biwu, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Gonzalez Carracedo, Loïc, additional, He, Xu-Cheng, additional, Hofbauer, Victoria, additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan P., additional, Lopez, Brandon, additional, Mahfouz, Naser G. A., additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marten, Ruby, additional, Massabò, Dario, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Onnela, Antti, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Schervish, Meredith, additional, Scholz, Wiebke, additional, Schulze, Benjamin, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Stozhkov, Yuri, additional, Surdu, Mihnea, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tian, Ping, additional, Tomé, António, additional, Vogt, Steffen, additional, Wang, Mingyi, additional, Wang, Dongyu S., additional, Weber, Stefan K., additional, Welti, André, additional, Yonghong, Wang, additional, Yusheng, Wu, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, El Haddad, Imad, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Höhler, Kristina, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Möhler, Ottmar, additional, Saathoff, Harald, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Donahue, Neil M., additional, Kürten, Andreas, additional, and Curtius, Joachim, additional

Published
2021
Full Text
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28. Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature

Author

Caudillo, Lucía, primary, Rörup, Birte, additional, Heinritzi, Martin, additional, Marie, Guillaume, additional, Simon, Mario, additional, Wagner, Andrea C., additional, Müller, Tatjana, additional, Granzin, Manuel, additional, Amorim, Antonio, additional, Ataei, Farnoush, additional, Baalbaki, Rima, additional, Bertozzi, Barbara, additional, Brasseur, Zoé, additional, Chiu, Randall, additional, Chu, Biwu, additional, Dada, Lubna, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Gonzalez Carracedo, Loïc, additional, He, Xu-Cheng, additional, Hofbauer, Victoria, additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan P., additional, Lopez, Brandon, additional, Mahfouz, Naser G. A., additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marten, Ruby, additional, Massabò, Dario, additional, Mauldin, Roy L., additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Onnela, Antti, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Piedehierro, Ana A., additional, Schervish, Meredith, additional, Scholz, Wiebke, additional, Schulze, Benjamin, additional, Shen, Jiali, additional, Stolzenburg, Dominik, additional, Stozhkov, Yuri, additional, Surdu, Mihnea, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tian, Ping, additional, Tomé, António, additional, Vogt, Steffen, additional, Wang, Mingyi, additional, Wang, Dongyu S., additional, Weber, Stefan K., additional, Welti, André, additional, Yonghong, Wang, additional, Yusheng, Wu, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, El Haddad, Imad, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Höhler, Kristina, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Lehtipalo, Katrianne, additional, Möhler, Ottmar, additional, Saathoff, Harald, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Donahue, Neil M., additional, Kürten, Andreas, additional, and Curtius, Joachim, additional

Published
2021
Full Text
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29. Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature

Author

Caudillo, Lucía, Rörup, Birte, Heinritzi, Martin, Marie, Guillaume, Simon, Mario, Wagner, Andrea C., Müller, Tatjana, Granzin, Manuel, Amorim, Antonio, Ataei, Farnoush, Baalbaki, Rima, Bertozzi, Barbara, Brasseur, Zoé, Chiu, Randall, Chu, Biwu, Dada, Lubna, Duplissy, Jonathan, Finkenzeller, Henning, Gonzalez Carracedo, Loïc, He, Xu-Cheng, Hofbauer, Victoria, Kong, Weimeng, Lamkaddam, Houssni, Lee, Chuan P., Lopez, Brandon, Mahfouz, Naser G. A., Makhmutov, Vladimir, Manninen, Hanna E., Marten, Ruby, Massabò, Dario, Mauldin, Roy L., Mentler, Bernhard, Molteni, Ugo, Onnela, Antti, Pfeifer, Joschka, Philippov, Maxim, Piedehierro, Ana A., Schervish, Meredith, Scholz, Wiebke, Schulze, Benjamin, Shen, Jiali, Stolzenburg, Dominik, Stozhkov, Yuri, Surdu, Mihnea, Tauber, Christian, Tham, Yee Jun, Tian, Ping, Tomé, António, Vogt, Steffen, Wang, Mingyi, Wang, Dongyu S., Weber, Stefan K., Welti, André, Yonghong, Wang, Yusheng, Wu, Zauner-Wieczorek, Marcel, Baltensperger, Urs, El Haddad, Imad, Flagan, Richard C., Hansel, Armin, Höhler, Kristina, Kirkby, Jasper, Kulmala, Markku, Lehtipalo, Katrianne, Möhler, Ottmar, Saathoff, Harald, Volkamer, Rainer, Winkler, Paul M., Donahue, Neil M., Kürten, Andreas, and Curtius, Joachim

Subjects
Atmospheric Science
Abstract

The abstract is available here: https://uscholar.univie.ac.at/o:1597268

Published
2021

30. Role of iodine oxoacids in atmospheric aerosol nucleation

Author

European Organization for Nuclear Research, Academy of Finland, European Commission, Consejo Superior de Investigaciones Científicas (España), Austrian Science Fund, Swiss National Science Foundation, National Science Foundation (US), Federal Ministry of Education and Research (Germany), Fundação para a Ciência e a Tecnologia (Portugal), Jiangsu Collaborative Innovation Center of Climate Change, Estonian Research Council, National Research, Development and Innovation Office (Hungary), National Aeronautics and Space Administration (US), He, Xu-Cheng, Tham, Yee Jun, Dada, Lubna, Wang, Mingyi, Finkenzeller, Henning, Stolzenburg, D., Iyer, S., Simon, Mario, Kürten, A., Shen, Jiali, Rörup, Birte, Volkamer, Rainer, Kirkby, Jasper, Worsnop, Douglas R., Sipilä, Mikko, Rissanen, Matti, Schobesberger, Siegfried, Baalbaki, Rima, Wang, Dongyo S., Koenig, T.K., Jokinen, Tuija, Sarnela, Nina, Beck, Lisa J., Almeida, João, Amanatidis, Stavros, Amorim, António, Ataei, F., Baccarini, Andrea, Bertozzi, Barbara, Bianchi, Federico, Brilke, Sophia, Caudillo, Lucía, Chen, Dexian, Chiu, Randall, Chu, Biwu, Dias, A., Ding, Aijun, Dommen, J., Duplissy, Jonathan, El Haddad, I., González Carracedo, Loïc, Granzin, Manuel, Hansel, A., Heinritzi, Martin, Hofbauer, Victoria, Junninen, Heikki, Kangasluoma, Juha, Kemppainen, Deniz, Kim, Changyuk, Kong, Weimeng, Krechmer, Jordan E., Kvashin, Aleksander, Laitinen, Totti, Lamkaddam, Houssni, Lee, Chuan Ping, Lehtipalo, Katrianne, Leiminger, Markus, Li, Zijun, Makhmutov, Vladimir, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Mathot, Serge, Mauldin, Roy L., Mentler, Bernhard, Möhler, Ottmar, Müller, Tatjana, Nie, Wei, Onnela, Antti, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Ranjithkumar, Ananth, Saiz-Lopez, A., Salma, Imre, Scholz, Wiebke, Schuchmann, S., Schulze, Benjamin, Steiner, Gerhard, Stozhkov, Yuri, Tauber, Christian, Tomé, António, Thakur, Roseline C., Väisänen, Olli, Vazquez-Pufleau, Miguel, Wagner, Andrea C., Wang, Yonghong, Weber, Stefan K., Winkler, Paul M., Wu, Yusheng, Xiao, Mao, Yan, Chao, Ye, Qing, Ylisirniö, Arttu, Zauner-Wieczorek, Marcel, Zha, Qiaozhi, Zhou, Putian, Flagan, Richard C., Curtius, Joachim, Baltensperger, Urs, Kulmala, Markku, Kerminen, Veli Matti, Kurtén, Theo, Donahue, Neil M., European Organization for Nuclear Research, Academy of Finland, European Commission, Consejo Superior de Investigaciones Científicas (España), Austrian Science Fund, Swiss National Science Foundation, National Science Foundation (US), Federal Ministry of Education and Research (Germany), Fundação para a Ciência e a Tecnologia (Portugal), Jiangsu Collaborative Innovation Center of Climate Change, Estonian Research Council, National Research, Development and Innovation Office (Hungary), National Aeronautics and Space Administration (US), He, Xu-Cheng, Tham, Yee Jun, Dada, Lubna, Wang, Mingyi, Finkenzeller, Henning, Stolzenburg, D., Iyer, S., Simon, Mario, Kürten, A., Shen, Jiali, Rörup, Birte, Volkamer, Rainer, Kirkby, Jasper, Worsnop, Douglas R., Sipilä, Mikko, Rissanen, Matti, Schobesberger, Siegfried, Baalbaki, Rima, Wang, Dongyo S., Koenig, T.K., Jokinen, Tuija, Sarnela, Nina, Beck, Lisa J., Almeida, João, Amanatidis, Stavros, Amorim, António, Ataei, F., Baccarini, Andrea, Bertozzi, Barbara, Bianchi, Federico, Brilke, Sophia, Caudillo, Lucía, Chen, Dexian, Chiu, Randall, Chu, Biwu, Dias, A., Ding, Aijun, Dommen, J., Duplissy, Jonathan, El Haddad, I., González Carracedo, Loïc, Granzin, Manuel, Hansel, A., Heinritzi, Martin, Hofbauer, Victoria, Junninen, Heikki, Kangasluoma, Juha, Kemppainen, Deniz, Kim, Changyuk, Kong, Weimeng, Krechmer, Jordan E., Kvashin, Aleksander, Laitinen, Totti, Lamkaddam, Houssni, Lee, Chuan Ping, Lehtipalo, Katrianne, Leiminger, Markus, Li, Zijun, Makhmutov, Vladimir, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Mathot, Serge, Mauldin, Roy L., Mentler, Bernhard, Möhler, Ottmar, Müller, Tatjana, Nie, Wei, Onnela, Antti, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Ranjithkumar, Ananth, Saiz-Lopez, A., Salma, Imre, Scholz, Wiebke, Schuchmann, S., Schulze, Benjamin, Steiner, Gerhard, Stozhkov, Yuri, Tauber, Christian, Tomé, António, Thakur, Roseline C., Väisänen, Olli, Vazquez-Pufleau, Miguel, Wagner, Andrea C., Wang, Yonghong, Weber, Stefan K., Winkler, Paul M., Wu, Yusheng, Xiao, Mao, Yan, Chao, Ye, Qing, Ylisirniö, Arttu, Zauner-Wieczorek, Marcel, Zha, Qiaozhi, Zhou, Putian, Flagan, Richard C., Curtius, Joachim, Baltensperger, Urs, Kulmala, Markku, Kerminen, Veli Matti, Kurtén, Theo, and Donahue, Neil M.

Abstract

Iodic acid (HIO) is known to form aerosol particles in coastal marine regions, but predicted nucleation and growth rates are lacking. Using the CERN CLOUD (Cosmics Leaving Outdoor Droplets) chamber, we find that the nucleation rates of HIOparticles are rapid, even exceeding sulfuric acid-ammonia rates under similar conditions. We also find that ion-induced nucleation involves IOand the sequential addition of HIOand that it proceeds at the kinetic limit below +10°C. In contrast, neutral nucleation involves the repeated sequential addition of iodous acid (HIO) followed by HIO, showing that HIOplays a key stabilizing role. Freshly formed particles are composed almost entirely of HIO, which drives rapid particle growth at the kinetic limit. Our measurements indicate that iodine oxoacid particle formation can compete with sulfuric acid in pristine regions of the atmosphere.

Published
2021

31. Molecular understanding of new-particle formation from α-pinene between −50 and +25 °C

Author

Simon, Mario, Dada, Lubna, Heinritzi, Martin, Scholz, Wiebke, Stolzenburg, Dominik, Fischer, Lukas, Wagner, Andrea C., Kürten, Andreas, Rörup, Birte, He, Xu-Cheng, Almeida, João, Baalbaki, Rima, Baccarini, Andrea, Bauer, Paulus S., Beck, Lisa, Bergen, Anton, Bianchi, Federico, Bräkling, Steffen, Brilke, Sophia, Caudillo, Lucia, Chen, Dexian, Chu, Biwu, Dias, António, Draper, Danielle C., Duplissy, Jonathan, El-Haddad, Imad, Finkenzeller, Henning, Frege, Carla, Gonzalez-Carracedo, Loic, Gordon, Hamish, Granzin, Manuel, Hakala, Jani, Hofbauer, Victoria, Hoyle, Christopher R., Kim, Changhyuk, Kong, Weimeng, Lamkaddam, Houssni, Lee, Chuan P., Lehtipalo, Katrianne, Leiminger, Markus, Mai, Huajun, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Mentler, Bernhard, Molteni, Ugo, Nichman, Leonid, Nie, Wei, Ojdanic, Andrea, Onnela, Antti, Partoll, Eva, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Quéléver, Lauriane L. J., Ranjithkumar, Ananth, Rissanen, Matti P., Schallhart, Simon, Schobesberger, Siegfried, Schuchmann, Simone, Shen, Jiali, Sipilä, Mikko, Steiner, Gerhard, Stozhkov, Yuri, Tauber, Christian, Tham, Yee J., Tomé, António R., Vazquez-Pufleau, Miguel, Vogel, Alexander L., Wagner, Robert, Wang, Mingyi, Wang, Dongyu S., Wang, Yonghong, Weber, Stefan K., Wu, Yusheng, Xiao, Mao, Yan, Chao, Ye, Penglin, Ye, Qing, Zauner-Wieczorek, Marcel, Zhou, Xueqin, Baltensperger, Urs, Dommen, Josef, Flagan, Richard C., Hansel, Armin, Kulmala, Markku, Volkamer, Rainer, Winkler, Paul M., Worsnop, Douglas R., Donahue, Neil M., Kirkby, Jasper, Curtius, Joachim, Tampere University, and Physics

Subjects
Atmospheric Science, 114 Physical sciences
Abstract

Highly oxygenated organic molecules (HOMs) contribute substantially to the formation and growth of atmospheric aerosol particles, which affect air quality, human health and Earth s climate. HOMs are formed by rapid, gasphase autoxidation of volatile organic compounds (VOCs) such as -pinene, the most abundant monoterpene in the atmosphere. Due to their abundance and low volatility, HOMs can play an important role in new-particle formation (NPF) and the early growth of atmospheric aerosols, even without any further assistance of other low-volatility compounds such as sulfuric acid. Both the autoxidation reaction forming HOMs and their NPF rates are expected to be strongly dependent on temperature. However, experimental data on both effects are limited. Dedicated experiments were performed at the CLOUD (Cosmics Leaving OUtdoor Droplets) chamber at CERN to address this question. In this study, we show that a decrease in temperature (from C25 to 50 C) results in a reduced HOM yield and reduced oxidation state of the products, whereas the NPF rates (J1:7 nm) increase substantially. Measurements with two different chemical ionization mass spectrometers (using nitrate and protonated water as reagent ion, respectively) provide the molecular composition of the gaseous oxidation products, and a two-dimensional volatility basis set (2D VBS) model provides their volatility distribution. The HOM yield decreases with temperature from 6.2% at 25 C to 0.7% at 50 C. However, there is a strong reduction of the saturation vapor pressure of each oxidation state as the temperature is reduced. Overall, the reduction in volatility with temperature leads to an increase in the nucleation rates by up to 3 orders of magnitude at 50 C compared with 25 C. In addition, the enhancement of the nucleation rates by ions decreases with decreasing temperature, since the neutral molecular clusters have increased stability against evaporation. The resulting data quantify how the interplay between the temperature-dependent oxidation pathways and the associated vapor pressures affect biogenic NPF at the molecular level. Our measurements, therefore, improve our understanding of pure biogenic NPF for a wide range of tropospheric temperatures and precursor concentrations. publishedVersion

Published
2020

32. Molecular understanding of new-particle formation from alpha-pinene between - 50 and + 25 degrees C

Author

Simon, Mario, Dada, Lubna, Heinritzi, Martin, Scholz, Wiebke, Stolzenburg, Dominik, Fischer, Lukas, Wagner, Andrea C., Kuerten, Andreas, Rorup, Birte, He, Xu-Cheng, Almeida, Joao, Baalbaki, Rima, Baccarini, Andrea, Bauer, Paulus S., Beck, Lisa, Bergen, Anton, Bianchi, Federico, Brakling, Steffen, Brilke, Sophia, Caudillo, Lucia, Chen, Dexian, Chu, Biwu, Dias, Antonio, Draper, Danielle C., Duplissy, Jonathan, El-Haddad, Imad, Finkenzeller, Henning, Frege, Carla, Gonzalez-Carracedo, Loic, Gordon, Hamish, Granzin, Manuel, Hakala, Jani, Hofbauer, Victoria, Hoyle, Christopher R., Kim, Changhyuk, Kong, Weimeng, Lamkaddam, Houssni, Lee, Chuan P., Lehtipalo, Katrianne, Leiminger, Markus, Mai, Huajun, Manninen, Hanna E., Marie, Guillaume, Marten, Ruby, Mentler, Bernhard, Molteni, Ugo, Nichman, Leonid, Nie, Wei, Ojdanic, Andrea, Onnela, Antti, Partoll, Eva, Petäjä, Tuukka, Pfeifer, Joschka, Philippov, Maxim, Quelever, Lauriane L. J., Ranjithkumar, Ananth, Rissanen, Matti P., Schallhart, Simon, Schobesberger, Siegfried, Schuchmann, Simone, Shen, Jiali, Sipila, Mikko, Steiner, Gerhard, Stozhkov, Yuri, Tauber, Christian, Tham, Yee J., Tome, Antonio R., Vazquez-Pufleau, Miguel, Vogel, Alexander L., Wagner, Robert, Wang, Mingyi, Wang, Dongyu S., Wang, Yonghong, Weber, Stefan K., Wu, Yusheng, Xiao, Mao, Yan, Chao, Ye, Penglin, Ye, Qing, Zauner-Wieczorek, Marcel, Zhou, Xueqin, Baltensperger, Urs, Dommen, Josef, Flagan, Richard C., Hansel, Armin, Kulmala, Markku, Volkamer, Rainer, Winkler, Paul M., Worsnop, Douglas R., Donahue, Neil M., Kirkby, Jasper, Curtius, Joachim, Air quality research group, Institute for Atmospheric and Earth System Research (INAR), Polar and arctic atmospheric research (PANDA), Helsinki Institute of Physics, and Department of Physics

Subjects
114 Physical sciences
Abstract

Highly oxygenated organic molecules (HOMs) contribute substantially to the formation and growth of atmospheric aerosol particles, which affect air quality, human health and Earth's climate. HOMs are formed by rapid, gas-phase autoxidation of volatile organic compounds (VOCs) such as alpha-pinene, the most abundant monoterpene in the atmosphere. Due to their abundance and low volatility, HOMs can play an important role in new-particle formation (NPF) and the early growth of atmospheric aerosols, even without any further assistance of other low-volatility compounds such as sulfuric acid. Both the autoxidation reaction forming HOMs and their NPF rates are expected to be strongly dependent on temperature. However, experimental data on both effects are limited. Dedicated experiments were performed at the CLOUD (Cosmics Leaving OUtdoor Droplets) chamber at CERN to address this question. In this study, we show that a decrease in temperature (from + 25 to -50 degrees C) results in a reduced HOM yield and reduced oxidation state of the products, whereas the NPF rates (J(1.7) (nm)) increase substantially. Measurements with two different chemical ionization mass spectrometers (using nitrate and protonated water as reagent ion, respectively) provide the molecular composition of the gaseous oxidation products, and a two-dimensional volatility basis set (2D VBS) model provides their volatility distribution. The HOM yield decreases with temperature from 6.2 % at 25 degrees C to 0.7 % at -50 degrees C. However, there is a strong reduction of the saturation vapor pressure of each oxidation state as the temperature is reduced. Overall, the reduction in volatility with temperature leads to an increase in the nucleation rates by up to 3 orders of magnitude at -50 degrees C compared with 25 degrees C. In addition, the enhancement of the nucleation rates by ions decreases with decreasing temperature, since the neutral molecular clusters have increased stability against evaporation. The resulting data quantify how the interplay between the temperature-dependent oxidation pathways and the associated vapor pressures affect biogenic NPF at the molecular level. Our measurements, therefore, improve our understanding of pure biogenic NPF for a wide range of tropospheric temperatures and precursor concentrations.

Published
2020

33. Determination of the collision rate coefficient between charged iodic acid clusters and iodic acid using the appearance time method

Author

He, Xu-Cheng, primary, Iyer, Siddharth, additional, Sipilä, Mikko, additional, Ylisirniö, Arttu, additional, Peltola, Maija, additional, Kontkanen, Jenni, additional, Baalbaki, Rima, additional, Simon, Mario, additional, Kürten, Andreas, additional, Tham, Yee Jun, additional, Pesonen, Janne, additional, Ahonen, Lauri R., additional, Amanatidis, Stavros, additional, Amorim, Antonio, additional, Baccarini, Andrea, additional, Beck, Lisa, additional, Bianchi, Federico, additional, Brilke, Sophia, additional, Chen, Dexian, additional, Chiu, Randall, additional, Curtius, Joachim, additional, Dada, Lubna, additional, Dias, Antonio, additional, Dommen, Josef, additional, Donahue, Neil M., additional, Duplissy, Jonathan, additional, El Haddad, Imad, additional, Finkenzeller, Henning, additional, Fischer, Lukas, additional, Heinritzi, Martin, additional, Hofbauer, Victoria, additional, Kangasluoma, Juha, additional, Kim, Changhyuk, additional, Koenig, Theodore K., additional, Kubečka, Jakub, additional, Kvashnin, Aleksandr, additional, Lamkaddam, Houssni, additional, Lee, Chuan Ping, additional, Leiminger, Markus, additional, Li, Zijun, additional, Makhmutov, Vladimir, additional, Xiao, Mao, additional, Marten, Ruby, additional, Nie, Wei, additional, Onnela, Antti, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Salo, Vili-Taneli, additional, Schuchmann, Simone, additional, Steiner, Gerhard, additional, Stolzenburg, Dominik, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tomé, António, additional, Väisänen, Olli, additional, Vazquez-Pufleau, Miguel, additional, Volkamer, Rainer, additional, Wagner, Andrea C., additional, Wang, Mingyi, additional, Wang, Yonghong, additional, Wimmer, Daniela, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Wu, Yusheng, additional, Yan, Chao, additional, Ye, Qing, additional, Lehtinen, Kari, additional, Nieminen, Tuomo, additional, Manninen, Hanna E., additional, Rissanen, Matti, additional, Schobesberger, Siegfried, additional, Lehtipalo, Katrianne, additional, Baltensperger, Urs, additional, Hansel, Armin, additional, Kerminen, Veli-Matti, additional, Flagan, Richard C., additional, Kirkby, Jasper, additional, Kurtén, Theo, additional, and Kulmala, Markku, additional

Published
2020
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34. Molecular understanding of the suppression of new-particle formation by isoprene

Author

Heinritzi, Martin, primary, Dada, Lubna, additional, Simon, Mario, additional, Stolzenburg, Dominik, additional, Wagner, Andrea C., additional, Fischer, Lukas, additional, Ahonen, Lauri R., additional, Amanatidis, Stavros, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Bauer, Paulus S., additional, Baumgartner, Bernhard, additional, Bianchi, Federico, additional, Brilke, Sophia, additional, Chen, Dexian, additional, Chiu, Randall, additional, Dias, Antonio, additional, Dommen, Josef, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Frege, Carla, additional, Fuchs, Claudia, additional, Garmash, Olga, additional, Gordon, Hamish, additional, Granzin, Manuel, additional, El Haddad, Imad, additional, He, Xucheng, additional, Helm, Johanna, additional, Hofbauer, Victoria, additional, Hoyle, Christopher R., additional, Kangasluoma, Juha, additional, Keber, Timo, additional, Kim, Changhyuk, additional, Kürten, Andreas, additional, Lamkaddam, Houssni, additional, Laurila, Tiia M., additional, Lampilahti, Janne, additional, Lee, Chuan Ping, additional, Lehtipalo, Katrianne, additional, Leiminger, Markus, additional, Mai, Huajun, additional, Makhmutov, Vladimir, additional, Manninen, Hanna Elina, additional, Marten, Ruby, additional, Mathot, Serge, additional, Mauldin, Roy Lee, additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Müller, Tatjana, additional, Nie, Wei, additional, Nieminen, Tuomo, additional, Onnela, Antti, additional, Partoll, Eva, additional, Passananti, Monica, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Pospisilova, Veronika, additional, Quéléver, Lauriane L. J., additional, Rissanen, Matti P., additional, Rose, Clémence, additional, Schobesberger, Siegfried, additional, Scholz, Wiebke, additional, Scholze, Kay, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Vazquez-Pufleau, Miguel, additional, Virtanen, Annele, additional, Vogel, Alexander L., additional, Volkamer, Rainer, additional, Wagner, Robert, additional, Wang, Mingyi, additional, Weitz, Lena, additional, Wimmer, Daniela, additional, Xiao, Mao, additional, Yan, Chao, additional, Ye, Penglin, additional, Zha, Qiaozhi, additional, Zhou, Xueqin, additional, Amorim, Antonio, additional, Baltensperger, Urs, additional, Hansel, Armin, additional, Kulmala, Markku, additional, Tomé, António, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Donahue, Neil M., additional, Kirkby, Jasper, additional, and Curtius, Joachim, additional

Published
2020
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35. Molecular understanding of new-particle formation from &lt;i&gt;α&lt;/i&gt;-pinene between −50 and +25 °C

Author

Simon, Mario, primary, Dada, Lubna, additional, Heinritzi, Martin, additional, Scholz, Wiebke, additional, Stolzenburg, Dominik, additional, Fischer, Lukas, additional, Wagner, Andrea C., additional, Kürten, Andreas, additional, Rörup, Birte, additional, He, Xu-Cheng, additional, Almeida, João, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Bauer, Paulus S., additional, Beck, Lisa, additional, Bergen, Anton, additional, Bianchi, Federico, additional, Bräkling, Steffen, additional, Brilke, Sophia, additional, Caudillo, Lucia, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dias, António, additional, Draper, Danielle C., additional, Duplissy, Jonathan, additional, El-Haddad, Imad, additional, Finkenzeller, Henning, additional, Frege, Carla, additional, Gonzalez-Carracedo, Loic, additional, Gordon, Hamish, additional, Granzin, Manuel, additional, Hakala, Jani, additional, Hofbauer, Victoria, additional, Hoyle, Christopher R., additional, Kim, Changhyuk, additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan P., additional, Lehtipalo, Katrianne, additional, Leiminger, Markus, additional, Mai, Huajun, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Nichman, Leonid, additional, Nie, Wei, additional, Ojdanic, Andrea, additional, Onnela, Antti, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Quéléver, Lauriane L. J., additional, Ranjithkumar, Ananth, additional, Rissanen, Matti P., additional, Schallhart, Simon, additional, Schobesberger, Siegfried, additional, Schuchmann, Simone, additional, Shen, Jiali, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee J., additional, Tomé, António R., additional, Vazquez-Pufleau, Miguel, additional, Vogel, Alexander L., additional, Wagner, Robert, additional, Wang, Mingyi, additional, Wang, Dongyu S., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wu, Yusheng, additional, Xiao, Mao, additional, Yan, Chao, additional, Ye, Penglin, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Zhou, Xueqin, additional, Baltensperger, Urs, additional, Dommen, Josef, additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kulmala, Markku, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Donahue, Neil M., additional, Kirkby, Jasper, additional, and Curtius, Joachim, additional

Published
2020
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36. Enhanced growth rate of atmospheric particles from sulfuric acid

Author

Stolzenburg, Dominik, primary, Simon, Mario, additional, Ranjithkumar, Ananth, additional, Kürten, Andreas, additional, Lehtipalo, Katrianne, additional, Gordon, Hamish, additional, Ehrhart, Sebastian, additional, Finkenzeller, Henning, additional, Pichelstorfer, Lukas, additional, Nieminen, Tuomo, additional, He, Xu-Cheng, additional, Brilke, Sophia, additional, Xiao, Mao, additional, Amorim, António, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Beck, Lisa, additional, Bräkling, Steffen, additional, Caudillo Murillo, Lucía, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dada, Lubna, additional, Dias, António, additional, Dommen, Josef, additional, Duplissy, Jonathan, additional, El Haddad, Imad, additional, Fischer, Lukas, additional, Gonzalez Carracedo, Loic, additional, Heinritzi, Martin, additional, Kim, Changhyuk, additional, Koenig, Theodore K., additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan Ping, additional, Leiminger, Markus, additional, Li, Zijun, additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Müller, Tatjana, additional, Nie, Wei, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Rissanen, Matti P., additional, Rörup, Birte, additional, Schobesberger, Siegfried, additional, Schuchmann, Simone, additional, Shen, Jiali, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tomé, António, additional, Vazquez-Pufleau, Miguel, additional, Wagner, Andrea C., additional, Wang, Mingyi, additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wimmer, Daniela, additional, Wlasits, Peter J., additional, Wu, Yusheng, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, Carslaw, Kenneth S., additional, Curtius, Joachim, additional, Donahue, Neil M., additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kulmala, Markku, additional, Lelieveld, Jos, additional, Volkamer, Rainer, additional, Kirkby, Jasper, additional, and Winkler, Paul M., additional

Published
2020
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37. Measurement of ammonia, amines and iodine compounds using protonated water cluster chemical ionization mass spectrometry

Author

Pfeifer, Joschka, primary, Simon, Mario, additional, Heinritzi, Martin, additional, Piel, Felix, additional, Weitz, Lena, additional, Wang, Dongyu, additional, Granzin, Manuel, additional, Müller, Tatjana, additional, Bräkling, Steffen, additional, Kirkby, Jasper, additional, Curtius, Joachim, additional, and Kürten, Andreas, additional

Published
2020
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38. Supplementary material to "Molecular understanding of the suppression of new-particle formation by isoprene"

Author

Heinritzi, Martin, primary, Dada, Lubna, additional, Simon, Mario, additional, Stolzenburg, Dominik, additional, Wagner, Andrea C., additional, Fischer, Lukas, additional, Ahonen, Lauri R., additional, Amanatidis, Stavros, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Bauer, Paulus S., additional, Baumgartner, Bernhard, additional, Bianchi, Federico, additional, Brilke, Sophia, additional, Chen, Dexian, additional, Chiu, Randall, additional, Dias, Antonio, additional, Dommen, Josef, additional, Duplissy, Jonathan, additional, Finkenzeller, Henning, additional, Frege, Carla, additional, Fuchs, Claudia, additional, Garmash, Olga, additional, Gordon, Hamish, additional, Granzin, Manuel, additional, Haddad, Imad El, additional, He, Xucheng, additional, Helm, Johanna, additional, Hofbauer, Victoria, additional, Hoyle, Christopher R., additional, Kangasluoma, Juha, additional, Keber, Timo, additional, Kim, Changhyuk, additional, Kürten, Andreas, additional, Lamkaddam, Houssni, additional, Lampilahti, Janne, additional, Laurila, Tiia M., additional, Lee, Chuan Ping, additional, Lehtipalo, Katrianne, additional, Leiminger, Markus, additional, Mai, Huajun, additional, Makhmutov, Vladimir, additional, Manninen, Hanna Elina, additional, Marten, Ruby, additional, Mathot, Serge, additional, Mauldin, Roy Lee, additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Müller, Tatjana, additional, Nie, Wei, additional, Nieminen, Tuomo, additional, Onnela, Antti, additional, Partoll, Eva, additional, Passananti, Monica, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Pospisilova, Veronika, additional, Quéléver, Lauriane, additional, Rissanen, Matti P., additional, Rose, Clémence, additional, Schobesberger, Siegfried, additional, Scholz, Wiebke, additional, Scholze, Kay, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Vazquez-Pufleau, Miguel, additional, Virtanen, Annele, additional, Vogel, Alexander L., additional, Volkamer, Rainer, additional, Wagner, Robert, additional, Wang, Mingyi, additional, Weitz, Lena, additional, Wimmer, Daniela, additional, Xiao, Mao, additional, Yan, Chao, additional, Ye, Penglin, additional, Zha, Qiaozhi, additional, Zhou, Xueqin, additional, Amorim, Antonio, additional, Baltensperger, Urs, additional, Hansel, Armin, additional, Kulmala, Markku, additional, Tomé, António, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Donahue, Neil M., additional, Kirkby, Jasper, additional, and Curtius, Joachim, additional

Published
2020
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39. Molecular understanding of new-particle formation from alpha-pinene between −50 °C and 25 °C

Author

Simon, Mario, primary, Dada, Lubna, additional, Heinritzi, Martin, additional, Scholz, Wiebke, additional, Stolzenburg, Dominik, additional, Fischer, Lukas, additional, Wagner, Andrea C., additional, Kürten, Andreas, additional, Rörup, Birte, additional, He, Xu-Cheng, additional, Almeida, João, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Bauer, Paulus S., additional, Beck, Lisa, additional, Bergen, Anton, additional, Bianchi, Federico, additional, Bräkling, Steffen, additional, Brilke, Sophia, additional, Caudillo, Lucia, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dias, António, additional, Draper, Danielle C., additional, Duplissy, Jonathan, additional, El Haddad, Imad, additional, Finkenzeller, Henning, additional, Frege, Carla, additional, Gonzalez-Carracedo, Loic, additional, Gordon, Hamish, additional, Granzin, Manuel, additional, Hakala, Jani, additional, Hofbauer, Victoria, additional, Hoyle, Christopher R., additional, Kim, Changhyuk, additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan P., additional, Lehtipalo, Katrianne, additional, Leiminger, Markus, additional, Mai, Huajun, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Nichman, Leonid, additional, Nie, Wei, additional, Ojdanic, Andrea, additional, Onnela, Antti, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Quéléver, Lauriane L. J., additional, Ranjithkumar, Ananth, additional, Rissanen, Matti, additional, Schallhart, Simon, additional, Schobesberger, Siegfried, additional, Schuchmann, Simone, additional, Shen, Jiali, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee J., additional, Tomé, António R., additional, Vazquez-Pufleau, Miguel, additional, Vogel, Alexander, additional, Wagner, Robert, additional, Wang, Mingyi, additional, Wang, Dongyu S., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wu, Yusheng, additional, Xiao, Mao, additional, Yan, Chao, additional, Ye, Penglin, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Zhou, Xueqin, additional, Baltensperger, Urs, additional, Dommen, Josef, additional, Flagan, Rick C., additional, Hansel, Armin, additional, Kulmala, Markku, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Donahue, Neil M., additional, Kirkby, Jasper, additional, and Curtius, Joachim, additional

Published
2020
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40. Supplementary material to "Molecular understanding of new-particle formation from alpha-pinene between −50 °C and 25 °C"

Author

Simon, Mario, primary, Dada, Lubna, additional, Heinritzi, Martin, additional, Scholz, Wiebke, additional, Stolzenburg, Dominik, additional, Fischer, Lukas, additional, Wagner, Andrea C., additional, Kürten, Andreas, additional, Rörup, Birte, additional, He, Xu-Cheng, additional, Almeida, João, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Bauer, Paulus S., additional, Beck, Lisa, additional, Bergen, Anton, additional, Bianchi, Federico, additional, Bräkling, Steffen, additional, Brilke, Sophia, additional, Caudillo, Lucia, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dias, António, additional, Draper, Danielle C., additional, Duplissy, Jonathan, additional, El Haddad, Imad, additional, Finkenzeller, Henning, additional, Frege, Carla, additional, Gonzalez-Carracedo, Loic, additional, Gordon, Hamish, additional, Granzin, Manuel, additional, Hakala, Jani, additional, Hofbauer, Victoria, additional, Hoyle, Christopher R., additional, Kim, Changhyuk, additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan P., additional, Lehtipalo, Katrianne, additional, Leiminger, Markus, additional, Mai, Huajun, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Mentler, Bernhard, additional, Molteni, Ugo, additional, Nichman, Leonid, additional, Nie, Wei, additional, Ojdanic, Andrea, additional, Onnela, Antti, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Quéléver, Lauriane L. J., additional, Ranjithkumar, Ananth, additional, Rissanen, Matti, additional, Schallhart, Simon, additional, Schobesberger, Siegfried, additional, Schuchmann, Simone, additional, Shen, Jiali, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee J., additional, Tomé, António R., additional, Vazquez-Pufleau, Miguel, additional, Vogel, Alexander, additional, Wagner, Robert, additional, Wang, Mingyi, additional, Wang, Dongyu S., additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wu, Yusheng, additional, Xiao, Mao, additional, Yan, Chao, additional, Ye, Penglin, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Zhou, Xueqin, additional, Baltensperger, Urs, additional, Dommen, Josef, additional, Flagan, Rick C., additional, Hansel, Armin, additional, Kulmala, Markku, additional, Volkamer, Rainer, additional, Winkler, Paul M., additional, Worsnop, Douglas R., additional, Donahue, Neil M., additional, Kirkby, Jasper, additional, and Curtius, Joachim, additional

Published
2020
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41. Enhanced growth rate of atmospheric particles from sulfuric acid

Author

Stolzenburg, Dominik, primary, Simon, Mario, additional, Ranjithkumar, Ananth, additional, Kürten, Andreas, additional, Lehtipalo, Katrianne, additional, Gordon, Hamish, additional, Nieminen, Tuomo, additional, Pichelstorfer, Lukas, additional, He, Xu-Cheng, additional, Brilke, Sophia, additional, Xiao, Mao, additional, Amorim, António, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Beck, Lisa, additional, Bräkling, Steffen, additional, Caudillo Murillo, Lucía, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dada, Lubna, additional, Dias, António, additional, Dommen, Josef, additional, Duplissy, Jonathan, additional, El Haddad, Imad, additional, Finkenzeller, Henning, additional, Fischer, Lukas, additional, Gonzalez Carracedo, Loic, additional, Heinritzi, Martin, additional, Kim, Changhyuk, additional, Koenig, Theodore K., additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan Ping, additional, Leiminger, Markus, additional, Li, Zijun, additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Müller, Tatjana, additional, Nie, Wei, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Rissanen, Matti P., additional, Rörup, Birte, additional, Schobesberger, Siegfried, additional, Schuchmann, Simone, additional, Shen, Jiali, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tomé, António, additional, Vazquez-Pufleau, Miguel, additional, Wagner, Andrea C., additional, Wang, Mingyi, additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wimmer, Daniela, additional, Wlasits, Peter J., additional, Wu, Yusheng, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, Carslaw, Kenneth S., additional, Curtius, Joachim, additional, Donahue, Neil M., additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kulmala, Markku, additional, Volkamer, Rainer, additional, Kirkby, Jasper, additional, and Winkler, Paul M., additional

Published
2019
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42. Supplementary material to &quot;Enhanced growth rate of atmospheric particles from sulfuric acid&quot;

Author

Stolzenburg, Dominik, primary, Simon, Mario, additional, Ranjithkumar, Ananth, additional, Kürten, Andreas, additional, Lehtipalo, Katrianne, additional, Gordon, Hamish, additional, Nieminen, Tuomo, additional, Pichelstorfer, Lukas, additional, He, Xu-Cheng, additional, Brilke, Sophia, additional, Xiao, Mao, additional, Amorim, António, additional, Baalbaki, Rima, additional, Baccarini, Andrea, additional, Beck, Lisa, additional, Bräkling, Steffen, additional, Caudillo Murillo, Lucía, additional, Chen, Dexian, additional, Chu, Biwu, additional, Dada, Lubna, additional, Dias, António, additional, Dommen, Josef, additional, Duplissy, Jonathan, additional, El Haddad, Imad, additional, Finkenzeller, Henning, additional, Fischer, Lukas, additional, Gonzalez Carracedo, Loic, additional, Heinritzi, Martin, additional, Kim, Changhyuk, additional, Koenig, Theodore K., additional, Kong, Weimeng, additional, Lamkaddam, Houssni, additional, Lee, Chuan Ping, additional, Leiminger, Markus, additional, Li, Zijun, additional, Makhmutov, Vladimir, additional, Manninen, Hanna E., additional, Marie, Guillaume, additional, Marten, Ruby, additional, Müller, Tatjana, additional, Nie, Wei, additional, Partoll, Eva, additional, Petäjä, Tuukka, additional, Pfeifer, Joschka, additional, Philippov, Maxim, additional, Rissanen, Matti P., additional, Rörup, Birte, additional, Schobesberger, Siegfried, additional, Schuchmann, Simone, additional, Shen, Jiali, additional, Sipilä, Mikko, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tauber, Christian, additional, Tham, Yee Jun, additional, Tomé, António, additional, Vazquez-Pufleau, Miguel, additional, Wagner, Andrea C., additional, Wang, Mingyi, additional, Wang, Yonghong, additional, Weber, Stefan K., additional, Wimmer, Daniela, additional, Wlasits, Peter J., additional, Wu, Yusheng, additional, Ye, Qing, additional, Zauner-Wieczorek, Marcel, additional, Baltensperger, Urs, additional, Carslaw, Kenneth S., additional, Curtius, Joachim, additional, Donahue, Neil M., additional, Flagan, Richard C., additional, Hansel, Armin, additional, Kulmala, Markku, additional, Volkamer, Rainer, additional, Kirkby, Jasper, additional, and Winkler, Paul M., additional

Published
2019
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43. Synergistic HNO3–H2SO4–NH3upper tropospheric particle formation

Author

Wang, Mingyi, Xiao, Mao, Bertozzi, Barbara, Marie, Guillaume, Rörup, Birte, Schulze, Benjamin, Bardakov, Roman, He, Xu-Cheng, Shen, Jiali, Scholz, Wiebke, Marten, Ruby, Dada, Lubna, Baalbaki, Rima, Lopez, Brandon, Lamkaddam, Houssni, Manninen, Hanna E., Amorim, António, Ataei, Farnoush, Bogert, Pia, Brasseur, Zoé, Caudillo, Lucía, De Menezes, Louis-Philippe, Duplissy, Jonathan, Ekman, Annica M. L., Finkenzeller, Henning, Carracedo, Loïc Gonzalez, Granzin, Manuel, Guida, Roberto, Heinritzi, Martin, Hofbauer, Victoria, Höhler, Kristina, Korhonen, Kimmo, Krechmer, Jordan E., Kürten, Andreas, Lehtipalo, Katrianne, Mahfouz, Naser G. A., Makhmutov, Vladimir, Massabò, Dario, Mathot, Serge, Mauldin, Roy L., Mentler, Bernhard, Müller, Tatjana, Onnela, Antti, Petäjä, Tuukka, Philippov, Maxim, Piedehierro, Ana A., Pozzer, Andrea, Ranjithkumar, Ananth, Schervish, Meredith, Schobesberger, Siegfried, Simon, Mario, Stozhkov, Yuri, Tomé, António, Umo, Nsikanabasi Silas, Vogel, Franziska, Wagner, Robert, Wang, Dongyu S., Weber, Stefan K., Welti, André, Wu, Yusheng, Zauner-Wieczorek, Marcel, Sipilä, Mikko, Winkler, Paul M., Hansel, Armin, Baltensperger, Urs, Kulmala, Markku, Flagan, Richard C., Curtius, Joachim, Riipinen, Ilona, Gordon, Hamish, Lelieveld, Jos, El-Haddad, Imad, Volkamer, Rainer, Worsnop, Douglas R., Christoudias, Theodoros, Kirkby, Jasper, Möhler, Ottmar, and Donahue, Neil M.

Abstract

New particle formation in the upper free troposphere is a major global source of cloud condensation nuclei (CCN)1–4. However, the precursor vapours that drive the process are not well understood. With experiments performed under upper tropospheric conditions in the CERN CLOUD chamber, we show that nitric acid, sulfuric acid and ammonia form particles synergistically, at rates that are orders of magnitude faster than those from any two of the three components. The importance of this mechanism depends on the availability of ammonia, which was previously thought to be efficiently scavenged by cloud droplets during convection. However, surprisingly high concentrations of ammonia and ammonium nitrate have recently been observed in the upper troposphere over the Asian monsoon region5,6. Once particles have formed, co-condensation of ammonia and abundant nitric acid alone is sufficient to drive rapid growth to CCN sizes with only trace sulfate. Moreover, our measurements show that these CCN are also highly efficient ice nucleating particles—comparable to desert dust. Our model simulations confirm that ammonia is efficiently convected aloft during the Asian monsoon, driving rapid, multi-acid HNO3–H2SO4–NH3nucleation in the upper troposphere and producing ice nucleating particles that spread across the mid-latitude Northern Hemisphere.

Published
2022
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44. Size-resolved online chemical analysis of nanoaerosol particles: a thermal desorption differential mobility analyzer coupled to a chemical ionization time-of-flight mass spectrometer

Author

Wagner, Andrea Christine, Bergen, Anton, Brilke, Sophia, Fuchs, Claudia, Ernst, Markus, Hoker, Jesica, Heinritzi, Martin, Simon, Mario, Bühner, Bertram, Curtius, Joachim, Kürten, Andreas, and Schneider, Johannes

Subjects
ddc:550
Abstract

A new method for size-resolved chemical analysis of nucleation mode aerosol particles (size range from ∼10 to ∼30 nm) is presented. The Thermal Desorption Differential Mobility Analyzer (TD-DMA) uses an online, discontinuous principle. The particles are charged, a specific size is selected by differential mobility analysis and they are collected on a filament by electrostatic precipitation. Subsequently, the sampled mass is evaporated in a clean carrier gas and analyzed by a chemical ionization mass spectrometer. Gas-phase measurements are performed with the same mass spectrometer during the sampling of particles. The characterization shows reproducible results, with a particle size resolution of 1.19 and the transmission efficiency for 15 nm particles being slightly above 50 %. The signal from the evaporation of a test substance can be detected starting from 0.01 ng and shows a linear response in the mass spectrometer. Instrument operation in the range of pg m−3 is demonstrated by an example measurement of 15 nm particles produced by nucleation from dimethylamine, sulfuric acid and water.

Published
2019

45. Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors

Author

Lehtipalo, Katrianne, Yan, Chao, Dada, Lubna, Bianchi, Federico, Xiao, Mao, Wagner, Robert, Stolzenburg, Dominik, Ahonen, Lauri R., Amorim, Antonio, Baccarini, Andrea, Bauer, Paulus S., Baumgartner, Bernhard, Bergen, Anton, Bernhammer, Anne-Kathrin, Breitenlechner, Martin, Brilke, Sophia, Buchholz, Angela, Buenrostro Mazon, Stephany, Chen, Dexian, Chen, Xuemeng, Dias, António, Dommen, Josef, Draper, Danielle C., Duplissy, Jonathan, Ehn, Mikael, Finkenzeller, Henning, Fischer, Lukas, Frege, Carla, Fuchs, Claudia, Garmash, Olga, Gordon, Hamish, Hakala, Jani, He, Xucheng, Heikkinen, Liine, Heinritzi, Martin, Helm, Johanna C., Hofbauer, Victoria, Hoyle, Christopher R., Jokinen, Tuija, Kangasluoma, Juha, Kerminen, Veli-Matti, Kim, Changhyuk, Kirkby, Jasper, Kontkanen, Jenni, Kürten, Andreas, Lawler, Michael J., Mai, Huajun, Mathot, Serge, Mauldin III, Roy L., Molteni, Ugo, Nichman, Leonid, Nie, Wei, Nieminen, Tuomo, Ojdanic, Andrea, Onnela, Antti, Passananti, Monica, Petäjä, Tuukka, Piel, Felix, Pospisilova, Veronika, Quéléver, Lauriane L.J., Rissanen, Matti P., Rose, Clémence, Sarnela, Nina, Schallhart, Simon, Schuchmann, Simone, Sengupta, Kamalika, Simon, Mario, Sipilä, Mikko, Tauber, Christian, Tomé, António, Tröstl, Jasmin, Väisänen, Olli, Vogel, Alexander L., Volkamer, Rainer, Wagner, Andrea C., Wang, Mingyi, Weitz, Lena, Wimmer, Daniela, Ye, Penglin, Ylisirniö, Arttu, Carslaw, Kenneth S., Curtius, Joachim, Donahue, Neil M., Flagan, Richard C., Hansel, Armin, Riipinen, Ilona, Virtanen, Annele, Winkler, Paul M., Baltensperger, Urs, Kulmala, Markku, and Worsnop, Douglas R.

Subjects
inorganic chemicals
Abstract

A major fraction of atmospheric aerosol particles, which affect both air quality and climate, form from gaseous precursors in the atmosphere. Highly oxygenated organic molecules (HOMs), formed by oxidation of biogenic volatile organic compounds, are known to participate in particle formation and growth. However, it is not well understood how they interact with atmospheric pollutants, such as nitrogen oxides (NOx) and sulfur oxides (SOx) from fossil fuel combustion, as well as ammonia (NH3) from livestock and fertilizers. Here, we show how NOx suppresses particle formation, while HOMs, sulfuric acid, and NH3 have a synergistic enhancing effect on particle formation. We postulate a novel mechanism, involving HOMs, sulfuric acid, and ammonia, which is able to closely reproduce observations of particle formation and growth in daytime boreal forest and similar environments. The findings elucidate the complex interactions between biogenic and anthropogenic vapors in the atmospheric aerosol system., Science Advances, 4 (12), ISSN:2375-2548

Published
2018

46. Measurement of ammonia, amines and iodine species using protonated water cluster chemical ionization mass spectrometry

Author

Pfeifer, Joschka, primary, Simon, Mario, additional, Heinritzi, Martin, additional, Piel, Felix, additional, Weitz, Lena, additional, Wang, Dongyu, additional, Granzin, Manuel, additional, Müller, Tatjana, additional, Bräkling, Steffen, additional, Kirkby, Jasper, additional, Curtius, Joachim, additional, and Kürten, Andreas, additional

Published
2019
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47. Formation of Highly Oxygenated Organic Molecules from α-Pinene Ozonolysis: Chemical Characteristics, Mechanism, and Kinetic Model Development

Author

Molteni, Ugo, primary, Simon, Mario, additional, Heinritzi, Martin, additional, Hoyle, Christopher R., additional, Bernhammer, Anne-Kathrin, additional, Bianchi, Federico, additional, Breitenlechner, Martin, additional, Brilke, Sophia, additional, Dias, António, additional, Duplissy, Jonathan, additional, Frege, Carla, additional, Gordon, Hamish, additional, Heyn, Claudia, additional, Jokinen, Tuija, additional, Kürten, Andreas, additional, Lehtipalo, Katrianne, additional, Makhmutov, Vladimir, additional, Petäjä, Tuukka, additional, Pieber, Simone M., additional, Praplan, Arnaud P., additional, Schobesberger, Siegfried, additional, Steiner, Gerhard, additional, Stozhkov, Yuri, additional, Tomé, António, additional, Tröstl, Jasmin, additional, Wagner, Andrea C., additional, Wagner, Robert, additional, Williamson, Christina, additional, Yan, Chao, additional, Baltensperger, Urs, additional, Curtius, Joachim, additional, Donahue, Neil M., additional, Hansel, Armin, additional, Kirkby, Jasper, additional, Kulmala, Markku, additional, Worsnop, Douglas R., additional, and Dommen, Josef, additional

Published
2019
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48. Size resolved online chemical analysis of nano aerosol particles : a thermal desorption differential mobility analyzer coupled to a chemical ionization time of flight mass spectrometer

Author

Wagner, Andrea Christine, Bergen, Anton, Brilke, Sophia, Fuchs, Claudia, Ernst, Markus, Hoker, Jesica, Heinritzi, Martin, Simon, Mario, Bühner, Bertram, Curtius, Joachim, Kürten, Christoph Andreas, Wagner, Andrea Christine, Bergen, Anton, Brilke, Sophia, Fuchs, Claudia, Ernst, Markus, Hoker, Jesica, Heinritzi, Martin, Simon, Mario, Bühner, Bertram, Curtius, Joachim, and Kürten, Christoph Andreas

Abstract

A new method for size resolved chemical analysis of nucleation mode aerosol particles (size range from ~10 to ~30 nm) is presented. The Thermal Desorption Differential Mobility Analyzer (TD-DMA) uses an online, discontinuous principle. The particles are charged, a specific size is selected by differential mobility analysis and they are collected on a filament by electrostatic precipitation. Subsequently, the sampled mass is evaporated in a clean carrier gas and analyzed by a chemical ionization mass spectrometer. Gas phase measurements are performed with the same mass spectrometer during the sampling of particles. The characterization shows reproducible results, with a particle size resolution of 1.19 and the transmission efficiency for 15 nm particles being slightly above 50 %. The signal from the evaporation of a test substance can be detected starting from 0.01 ng and shows a linear response in the mass spectrometer. Instrument operation in the range of pg/m3 is demonstrated by an example measurement of 15 nm particles produced by nucleation from dimethylamine, sulfuric acid and water.

Published
2018

49. Size-resolved online chemical analysis of nanoaerosol particles : a thermal desorption differential mobility analyzer coupled to a chemical ionization time-of-flight mass spectrometer

Author

Schneider, Johannes, Wagner, Andrea Christine, Bergen, Anton, Brilke, Sophia, Fuchs, Claudia, Ernst, Markus, Hoker, Jesica, Heinritzi, Martin, Simon, Mario, Bühner, Bertram, Curtius, Joachim, Kürten, Christoph Andreas, Schneider, Johannes, Wagner, Andrea Christine, Bergen, Anton, Brilke, Sophia, Fuchs, Claudia, Ernst, Markus, Hoker, Jesica, Heinritzi, Martin, Simon, Mario, Bühner, Bertram, Curtius, Joachim, and Kürten, Christoph Andreas

Abstract

A new method for size-resolved chemical analysis of nucleation mode aerosol particles (size range from ∼10 to ∼30 nm) is presented. The Thermal Desorption Differential Mobility Analyzer (TD-DMA) uses an online, discontinuous principle. The particles are charged, a specific size is selected by differential mobility analysis and they are collected on a filament by electrostatic precipitation. Subsequently, the sampled mass is evaporated in a clean carrier gas and analyzed by a chemical ionization mass spectrometer. Gas-phase measurements are performed with the same mass spectrometer during the sampling of particles. The characterization shows reproducible results, with a particle size resolution of 1.19 and the transmission efficiency for 15 nm particles being slightly above 50 %. The signal from the evaporation of a test substance can be detected starting from 0.01 ng and shows a linear response in the mass spectrometer. Instrument operation in the range of pg m−3 is demonstrated by an example measurement of 15 nm particles produced by nucleation from dimethylamine, sulfuric acid and water.

Published
2018

50. Rapid growth of organic aerosol nanoparticles over a wide tropospheric temperature range

Author

Seinfeld, John H., Stolzenburg, Dominik, Fischer, Lukas, Vogel, Alexander L., Heinritzi, Martin, Schervish, Meredith, Simon, Mario, Wagner, Andrea Christine, Dada, Lubna, Ahonen, Lauri R., Amorim, Antonio, Baccarini, Andrea, Bauer, Paulus Salomon, Baumgartner, Bernhard, Bergen, Anton, Bianchi, Federico, Breitenlechner, Martin, Brilke, Sophia, Buenrostro Mazon, Stephany, Chen, Dexian, Dias, Antonio, Draper, Danielle C., Duplissy, Jonathan, El Haddad, Imad, Finkenzeller, Henning, Frege, Carla, Fuchs, Claudia, Garmash, Olga, Gordon, Hamish, He, Xucheng, Helm, Johanna, Hofbauer, Victoria, Hoyle, Christopher Robert, Kim, Changhyuk, Kirkby, Jasper, Kontkanen, Jenni, Kürten, Christoph Andreas, Lampilahti, Janne, Lawler, Michael Joseph, Lehtipalo, Katrianne, Leiminger, Markus, Mai, Huajun, Mathot, Serge, Mentler, Bernhard, Molteni, Ugo, Nie, Wei, Nieminen, Tuomo, Nowak, John B., Ojdanic, Andrea, Onnela, Antti, Passananti, Monica, Petäjä, Tuukka, Quéléver, Lauriane L. J., Rissanen, Matti P., Sarnela, Nina, Schallhart, Simon, Tauber, Christian, Tomé, Antonio, Wagner, Robert, Wang, Mingyi, Weitz, Lena, Wimmer, Daniela, Xiao, Mao, Yan, Chao, Ye, Penglin, Zha, Qiaozhi, Baltensperger, Urs, Curtius, Joachim, Dommen, Josef, Flagan, Richard C., Kulmala, Markku, Smith, James N., Worsnop, Douglas R., Hansel, Armin, Donahue, Neil McPherson, Winkler, Paul M., Seinfeld, John H., Stolzenburg, Dominik, Fischer, Lukas, Vogel, Alexander L., Heinritzi, Martin, Schervish, Meredith, Simon, Mario, Wagner, Andrea Christine, Dada, Lubna, Ahonen, Lauri R., Amorim, Antonio, Baccarini, Andrea, Bauer, Paulus Salomon, Baumgartner, Bernhard, Bergen, Anton, Bianchi, Federico, Breitenlechner, Martin, Brilke, Sophia, Buenrostro Mazon, Stephany, Chen, Dexian, Dias, Antonio, Draper, Danielle C., Duplissy, Jonathan, El Haddad, Imad, Finkenzeller, Henning, Frege, Carla, Fuchs, Claudia, Garmash, Olga, Gordon, Hamish, He, Xucheng, Helm, Johanna, Hofbauer, Victoria, Hoyle, Christopher Robert, Kim, Changhyuk, Kirkby, Jasper, Kontkanen, Jenni, Kürten, Christoph Andreas, Lampilahti, Janne, Lawler, Michael Joseph, Lehtipalo, Katrianne, Leiminger, Markus, Mai, Huajun, Mathot, Serge, Mentler, Bernhard, Molteni, Ugo, Nie, Wei, Nieminen, Tuomo, Nowak, John B., Ojdanic, Andrea, Onnela, Antti, Passananti, Monica, Petäjä, Tuukka, Quéléver, Lauriane L. J., Rissanen, Matti P., Sarnela, Nina, Schallhart, Simon, Tauber, Christian, Tomé, Antonio, Wagner, Robert, Wang, Mingyi, Weitz, Lena, Wimmer, Daniela, Xiao, Mao, Yan, Chao, Ye, Penglin, Zha, Qiaozhi, Baltensperger, Urs, Curtius, Joachim, Dommen, Josef, Flagan, Richard C., Kulmala, Markku, Smith, James N., Worsnop, Douglas R., Hansel, Armin, Donahue, Neil McPherson, and Winkler, Paul M.

Abstract

Nucleation and growth of aerosol particles from atmospheric vapors constitutes a major source of global cloud condensation nuclei (CCN). The fraction of newly formed particles that reaches CCN sizes is highly sensitive to particle growth rates, especially for particle sizes <10 nm, where coagulation losses to larger aerosol particles are greatest. Recent results show that some oxidation products from biogenic volatile organic compounds are major contributors to particle formation and initial growth. However, whether oxidized organics contribute to particle growth over the broad span of tropospheric temperatures remains an open question, and quantitative mass balance for organic growth has yet to be demonstrated at any temperature. Here, in experiments performed under atmospheric conditions in the Cosmics Leaving Outdoor Droplets (CLOUD) chamber at the European Organization for Nuclear Research (CERN), we show that rapid growth of organic particles occurs over the range from −25 ∘C to 25 ∘C. The lower extent of autoxidation at reduced temperatures is compensated by the decreased volatility of all oxidized molecules. This is confirmed by particle-phase composition measurements, showing enhanced uptake of relatively less oxygenated products at cold temperatures. We can reproduce the measured growth rates using an aerosol growth model based entirely on the experimentally measured gas-phase spectra of oxidized organic molecules obtained from two complementary mass spectrometers. We show that the growth rates are sensitive to particle curvature, explaining widespread atmospheric observations that particle growth rates increase in the single-digit-nanometer size range. Our results demonstrate that organic vapors can contribute to particle growth over a wide range of tropospheric temperatures from molecular cluster sizes onward.

Published
2018

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