期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 6, 期 5, 页码 7159-7167出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.8b01228
关键词
Plasmonic photocatalysts; Dendritic PtAu@Pt; Visible light; Liquid fuel oxidation; Fuel cells
资金
- National Natural Science Foundation of China [51373111]
- Suzhou Industry [SYG201636]
- project of scientific and technologic infrastructure of Suzhou [SZS201708]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Plasmonic photocatalysis, based on surface plasmon resonance (SPR) of bimetallic nanoparticles, has been exploited for various applications. We herein successfully synthesize an advanced class of three-dimensional (3D) dendritic core-shell PtAu@Pt photocatalysts, which can greatly promote the electrooxidation of liquid fuel. Interestingly, the optimized 3D core-shell PtAu@Pt photocatalysts exhibit outstanding elextrocatalytic activities toward MOR and EOR under the visible-light irradiation, which are 1.9 and 1.8 times greater than that of ambient reaction, respectively. The broad adsorption of plasmonic Au, electronic effects between Pt and Au, and high surface active areas of 3D dendritic structure greatly contribute to the improved photoelectrocatalytic performances.
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