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Photocatalytic one-step synthesis of Ag nanoparticles without reducing agent and their catalytic redox performance supported on carbon

MPG-Autoren
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Muhler,  Martin
Research Department Schlögl, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

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Zitation

Shui, L., Zhang, G., Hu, B., Chen, X., Jin, M., Zhou, G., et al. (2019). Photocatalytic one-step synthesis of Ag nanoparticles without reducing agent and their catalytic redox performance supported on carbon. Journal of Energy Chemistry, 36, 37-46. doi:10.1016/j.jechem.2019.04.006.


Zitierlink: https://hdl.handle.net/21.11116/0000-0006-5E44-5
Zusammenfassung
Synthesis of silver nanoparticles (Ag NPs) with state-of-the-art chemical or photo-reduction methods generally takes several steps and requires both reducing agents and stabilizers to obtain NPs with narrow size distribution. Herein, we report a novel method to synthesize Ag NPs rapidly in one step, achieving typical particle sizes in the range from 5 to 15 nm. The synthesis steps only involve three chemicals without any reducing agent: AgNO3 as precursor, polyvinylpyrrolidone (PVP) as stabilizer, and AgCl as photocatalyst. The Ag NPs were supported on carbon and showed excellent performance in thermal catalytic p-nitrophenol reduction and nitrobenzene hydrogenation, and as electrocatalyst for the oxygen reduction reaction. (C) 2019 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.