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8 results on '"Trivedi, Dhwanil"'

1. Isolated Iridium Sites on Potassium‐Doped Carbon‐nitride wrapped Tellurium Nanostructures for Enhanced Glycerol Photooxidation

Author

Kumar, Pawan, primary, Askar, Abdelrahman, additional, Wang, Jiu, additional, Roy, Soumyabrata, additional, Kancharlapalli, Srinivasu, additional, Wang, Xiyang, additional, Joshi, Varad, additional, Hu, Hangtian, additional, Kannimuthu, Karthick, additional, Trivedi, Dhwanil, additional, Bollini, Praveen, additional, Wu, Yimin A., additional, Ajayan, Pulickel M., additional, Adachi, Michael M., additional, Hu, Jinguang, additional, and Kibria, Md Golam, additional

Published
2024
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4. Partial Thermal Condensation Mediated Synthesis of High‐Density Nickel Single Atom Sites on Carbon Nitride for Selective Photooxidation of Methane into Methanol

Author

Kumar, Pawan, primary, Antal, Peter, additional, Wang, Xiyang, additional, Wang, Jiu, additional, Trivedi, Dhwanil, additional, Fellner, Ondřej František, additional, Wu, Yimin A., additional, Nemec, Ivan, additional, Santana, Vinicius Tadeu, additional, Kopp, Josef, additional, Neugebauer, Petr, additional, Hu, Jinguang, additional, Kibria, Md Golam, additional, and Kumar, Subodh, additional

Published
2023
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5. High-Density Cobalt Single-Atom Catalysts for Enhanced Oxygen Evolution Reaction

Author

Kumar, Pawan, primary, Kannimuthu, Karthick, additional, Zeraati, Ali Shayesteh, additional, Roy, Soumyabrata, additional, Wang, Xiao, additional, Wang, Xiyang, additional, Samanta, Subhajyoti, additional, Miller, Kristen A., additional, Molina, Maria, additional, Trivedi, Dhwanil, additional, Abed, Jehad, additional, Campos Mata, M. Astrid, additional, Al-Mahayni, Hasan, additional, Baltrusaitis, Jonas, additional, Shimizu, George, additional, Wu, Yimin A., additional, Seifitokaldani, Ali, additional, Sargent, Edward H., additional, Ajayan, Pulickel M., additional, Hu, Jinguang, additional, and Kibria, Md Golam, additional

Published
2023
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6. Spatial charge separation on the (110)/(102) facets of cocatalyst-free ZnIn2S4for the selective conversion of 5-hydroxymethylfurfural to 2,5-diformylfuran

Author

Zhao, Heng, primary, Trivedi, Dhwanil, additional, Roostaeinia, Morteza, additional, Yong, Xue, additional, Chen, Jun, additional, Kumar, Pawan, additional, Liu, Jing, additional, Su, Bao-Lian, additional, Larter, Steve, additional, Kibria, Md Golam, additional, and Hu, Jinguang, additional

Published
2023
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8. Spatial charge separation on the (110)/(102) facets of cocatalyst-free ZnIn2S4 for the selective conversion of 5-hydroxymethylfurfural to 2,5-diformylfuran.

Author

Zhao, Heng, Trivedi, Dhwanil, Roostaeinia, Morteza, Yong, Xue, Chen, Jun, Kumar, Pawan, Liu, Jing, Su, Bao-Lian, Larter, Steve, Kibria, Md Golam, and Hu, Jinguang

Subjects
*CHEMICAL bonds, *INTERSTITIAL hydrogen generation, *ENERGY shortages, *CHEMICAL derivatives, *SULFUR, *BIOMASS, *OXYGEN reduction
Abstract

Photorefining of biomass and its derivatives to value-added chemicals is an alternative solution to address the global energy shortage and environmental issues. Herein, efficient and selective oxidation of 5-hydroxymethylfurfural (HMF, 91.1% conversion) to 2,5-diformylfuran (DFF, 99.4% selectivity) is demonstrated by visible light-driven photocatalysis over cocatalyst-free ZnIn2S4 nanosheets with crystal facet engineering. The spatial accumulation of photogenerated electrons and holes on the (110) and (102) crystal facets triggers a two-electron oxygen reduction reaction (2e-ORR) for H2O2 generation and HMF oxidation into DFF, respectively. The severe attenuation of photostability is caused by the irreversible photocorrosion of Zn–S with the formation of Zn–O chemical bonds by the formation of ˙OH from the in situ decomposition of H2O2. Spontaneous substitution of oxygen with sulfur has been proven to efficiently improve the photostability of ZnIn2S4. This present work provides insights into improving the durability of ZnIn2S4 and sheds new light on biomass valorization via photorefinery. [ABSTRACT FROM AUTHOR]

Published
2023
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