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2 results on '"Collaborative Research Fund (Hong Kong)"'

1. A magnified compact galaxy at redshift 9.51 with strong nebular emission lines

Author

National Science Foundation (US), Japan Society for the Promotion of Science, Gordon and Betty Moore Foundation, Christopher R. Redlich Fund, David and Lucile Packard Foundation, Danish National Research Foundation, United States-Israel Binational Science Foundation, Villum Fonden, Ministry of Science and Technology (Israel), Agencia Estatal de Investigación (España), Ministerio de Ciencia, Innovación y Universidades (España), Collaborative Research Fund (Hong Kong), Ministerio de Ciencia e Innovación (España), Williams, Hayley, Kelly, Patrick L., Chen, Wenlei, Brammer, Gabriel, Zitrin, Adi, Treu, Tommaso, Scarlata, Claudia, Koekemoer, Anton M., Oguri, Masamune, Lin, Yu-Heng, Diego, José María, Nonino, Mario, Hjorth, Jens, Langeroodi, Danial, Broadhurst, Tom, Rogers, Noah, Pèrez-Fournon, Ismael, Foley, Ryan J., Jha, Saurabh W., Filippenko, Alexei V., Strolger, Lou G., Pierel, Justin, Poidevin, Frédérick, Yang, Lilan, National Science Foundation (US), Japan Society for the Promotion of Science, Gordon and Betty Moore Foundation, Christopher R. Redlich Fund, David and Lucile Packard Foundation, Danish National Research Foundation, United States-Israel Binational Science Foundation, Villum Fonden, Ministry of Science and Technology (Israel), Agencia Estatal de Investigación (España), Ministerio de Ciencia, Innovación y Universidades (España), Collaborative Research Fund (Hong Kong), Ministerio de Ciencia e Innovación (España), Williams, Hayley, Kelly, Patrick L., Chen, Wenlei, Brammer, Gabriel, Zitrin, Adi, Treu, Tommaso, Scarlata, Claudia, Koekemoer, Anton M., Oguri, Masamune, Lin, Yu-Heng, Diego, José María, Nonino, Mario, Hjorth, Jens, Langeroodi, Danial, Broadhurst, Tom, Rogers, Noah, Pèrez-Fournon, Ismael, Foley, Ryan J., Jha, Saurabh W., Filippenko, Alexei V., Strolger, Lou G., Pierel, Justin, Poidevin, Frédérick, and Yang, Lilan

Abstract

Ultraviolet light from early galaxies is thought to have ionized gas in the intergalactic medium. However,there are few observational constraints on this epoch because of the faintness of those galaxies andthe redshift of their optical light into the infrared. We report the observation, in JWST imaging, of adistant galaxy that is magnified by gravitational lensing. JWST spectroscopy of the galaxy, at rest-frameoptical wavelengths, detects strong nebular emission lines that are attributable to oxygen and hydrogen.The measured redshift isz= 9.51 ± 0.01, corresponding to 510 million years after the Big Bang. Thegalaxy has a radius of 16:2þ4:6 7:2parsecs, which is substantially more compact than galaxies withequivalent luminosity atz~ 6 to 8, leading to a high star formation rate surface density.

Published
2023

2. Roadmap on commercialization of metal halide perovskite photovoltaics

Author

Collaborative Research Fund (Hong Kong), Ningbo Institute of Materials Technology and Engineering, Zhejiang Provincial Natural Science Foundation, Shenzhen Science and Technology Innovation Commission, Ministry of Education and Science (Kazakhstan), Nazarbayev University, European Commission, Ministero dello Sviluppo Economico, Agence Nationale de la Recherche (France), Ministry of Science and Higher Education of the Russian Federation, National University of Singapore, Department of Energy (US), National Key Research and Development Program (China), National Natural Science Foundation of China, Ministerio de Ciencia, Innovación y Universidades (España), Agencia Estatal de Investigación (España), Generalitat de Catalunya, German Research Foundation, Generalitat Valenciana, Natural Science Foundation of Guangdong Province, Tibet Autonomous Region, Feng, Shien-Ping [0000-0002-3941-1363], Yip, Hin-Lap [0000-0002-5750-9751], Zhong, Yufei [0000-0001-9845-8607], Fong, Patrick W. K. [0000-0002-2460-4525], Li, Gang [0000-0001-8399-7771], Ng, Annie [0000-0002-5975-2499], Castriotta, Luigi Angelo [0000-0003-2525-8852], Matteocci, Fabio [0000-0001-7893-1356], Vesce, Luigi [0000-0003-3322-8688], Di Carlo, Aldo [0000-0001-6828-2380], Hou, Yi [0000-0002-1532-816X], Song, Zhaoning [0000-0002-6677-0994], Yan, Yanfa [0000-0003-3977-5789], Ng, Alan Man Ching [0000-0001-7081-8244], Richardson, Giles [0000-0001-6225-8590], Lira-Cantú, Mónica [0000-0002-3393-7436], Khenkin, Mark V. [0000-0001-9201-0238], Visoly-Fisher, Iris [0000-0001-6058-4712], Katz, Eugene A. [0000-0001-6151-1603], Vaynzof, Yana [0000-0002-0783-0707], Vidal, Rosario [0000-0001-7872-0620], Lin, Haoran [0000-0003-0625-8881], Wang, Shifeng [0000-0001-6169-2598], Djurišic, Aleksandra B. [0000-0002-5183-1467], Feng, Shien-Ping, Cheng, Yuanhang, Yip, Hin-Lap, Zhong, Yufei, Fong, Patrick W. K., Li, Gang, Ng, Annie, Chen, Cong, Castriotta, Luigi Angelo, Matteocci, Fabio, Vesce, Luigi, Saranin, Danila, Di Carlo, Aldo, Wang, Puqun, Wei Ho, Jian, Hou, Yi, Lin, Fen, Aberle, Armin G., Song, Zhaoning, Yan, Yanfa, Chen, Xu, Yang, Yang Michael, Syed, Ali Asgher, Ahmad, Ishaq, Leung, Tiklun, Wang, Yantao, Lin, Jing Yang, Ng, Alan Man Ching, Li, Yin, Ebadi, Firouzeh, Tress, Wolfgang, Richardson, Giles, Ge, Chuangye, Hu, Hanlin, Karimipour, Masoud, Baumann, Fanny, Tabah, Kenedy, Pereyra, Carlos, Raga, Sonia R., Xie, Haibing, Lira-Cantú, Mónica, Khenkin, Mark V., Visoly-Fisher, Iris, Katz, Eugene A., Vaynzof, Yana, Vidal, Rosario, Yu, Guicheng, Lin, Haoran, Weng, Shuchen, Wang, Shifeng, Djurišic, Aleksandra B., Collaborative Research Fund (Hong Kong), Ningbo Institute of Materials Technology and Engineering, Zhejiang Provincial Natural Science Foundation, Shenzhen Science and Technology Innovation Commission, Ministry of Education and Science (Kazakhstan), Nazarbayev University, European Commission, Ministero dello Sviluppo Economico, Agence Nationale de la Recherche (France), Ministry of Science and Higher Education of the Russian Federation, National University of Singapore, Department of Energy (US), National Key Research and Development Program (China), National Natural Science Foundation of China, Ministerio de Ciencia, Innovación y Universidades (España), Agencia Estatal de Investigación (España), Generalitat de Catalunya, German Research Foundation, Generalitat Valenciana, Natural Science Foundation of Guangdong Province, Tibet Autonomous Region, Feng, Shien-Ping [0000-0002-3941-1363], Yip, Hin-Lap [0000-0002-5750-9751], Zhong, Yufei [0000-0001-9845-8607], Fong, Patrick W. K. [0000-0002-2460-4525], Li, Gang [0000-0001-8399-7771], Ng, Annie [0000-0002-5975-2499], Castriotta, Luigi Angelo [0000-0003-2525-8852], Matteocci, Fabio [0000-0001-7893-1356], Vesce, Luigi [0000-0003-3322-8688], Di Carlo, Aldo [0000-0001-6828-2380], Hou, Yi [0000-0002-1532-816X], Song, Zhaoning [0000-0002-6677-0994], Yan, Yanfa [0000-0003-3977-5789], Ng, Alan Man Ching [0000-0001-7081-8244], Richardson, Giles [0000-0001-6225-8590], Lira-Cantú, Mónica [0000-0002-3393-7436], Khenkin, Mark V. [0000-0001-9201-0238], Visoly-Fisher, Iris [0000-0001-6058-4712], Katz, Eugene A. [0000-0001-6151-1603], Vaynzof, Yana [0000-0002-0783-0707], Vidal, Rosario [0000-0001-7872-0620], Lin, Haoran [0000-0003-0625-8881], Wang, Shifeng [0000-0001-6169-2598], Djurišic, Aleksandra B. [0000-0002-5183-1467], Feng, Shien-Ping, Cheng, Yuanhang, Yip, Hin-Lap, Zhong, Yufei, Fong, Patrick W. K., Li, Gang, Ng, Annie, Chen, Cong, Castriotta, Luigi Angelo, Matteocci, Fabio, Vesce, Luigi, Saranin, Danila, Di Carlo, Aldo, Wang, Puqun, Wei Ho, Jian, Hou, Yi, Lin, Fen, Aberle, Armin G., Song, Zhaoning, Yan, Yanfa, Chen, Xu, Yang, Yang Michael, Syed, Ali Asgher, Ahmad, Ishaq, Leung, Tiklun, Wang, Yantao, Lin, Jing Yang, Ng, Alan Man Ching, Li, Yin, Ebadi, Firouzeh, Tress, Wolfgang, Richardson, Giles, Ge, Chuangye, Hu, Hanlin, Karimipour, Masoud, Baumann, Fanny, Tabah, Kenedy, Pereyra, Carlos, Raga, Sonia R., Xie, Haibing, Lira-Cantú, Mónica, Khenkin, Mark V., Visoly-Fisher, Iris, Katz, Eugene A., Vaynzof, Yana, Vidal, Rosario, Yu, Guicheng, Lin, Haoran, Weng, Shuchen, Wang, Shifeng, and Djurišic, Aleksandra B.

Abstract

Perovskite solar cells (PSCs) represent one of the most promising emerging photovoltaic technologies due to their high power conversion efficiency. However, despite the huge progress made not only in terms of the efficiency achieved, but also fundamental understanding of the relevant physics of the devices and issues which affect their efficiency and stability, there are still unresolved problems and obstacles on the path toward commercialization of this promising technology. In this roadmap, we aim to provide a concise and up to date summary of outstanding issues and challenges, and the progress made toward addressing these issues. While the format of this article is not meant to be a comprehensive review of the topic, it provides a collection of the viewpoints of the experts in the field, which covers a broad range of topics related to PSC commercialization, including those relevant for manufacturing (scaling up, different types of devices), operation and stability (various factors), and environmental issues (in particular the use of lead). We hope that the article will provide a useful resource for researchers in the field and that it will facilitate discussions and move forward toward addressing the outstanding challenges in this fast-developing field.

Published
2023

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