期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 181, 期 -, 页码 475-480出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2015.08.016
关键词
Photocatalyst; Intermetallic PtPb co-catalyst; Visible light; Quantum efficiency; Reaction mechanism
资金
- 8Ministry of Education, Culture, Sports, Science and Technology of Japan
- National Institute for Materials Science (NIMS) microstructural characterization platform as a program of Nanotechnology Platform of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
This study investigates the photocatalytic decomposition of acetic acid and its reaction mechanism over WO3-supported ordered intermetallic PtPb nanoparticle (NiAs-type structure, P63/mmc, a=0.4259 nm; c=0.5267 nm) (PtPb NPs/WO3) co-catalysts under an oxygen-rich atmosphere and visible light. We rationally designed and synthesized the ordered intermetallic nanoparticle on WO3 co-catalysts by a photodeposition and polyol method. Remarkably enhanced activities were observed for the synthesized PtPb NPs/WO3 catalyst toward the decomposition of organic compounds compared to pure WO3 and WO3-supported individual Pt co-catalysts. (C) 2015 Elsevier B.V. All rights reserved.
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