期刊
CHEMISTRY LETTERS
卷 51, 期 10, 页码 978-981出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.220329
关键词
Photocatalyst; Electron microscopy; Cocatalyst
资金
- University of Tokyo Advanced Characterization Nanotechnology Platform in the Nanotechnology Platform Project - Ministry o f Education, Culture, Sports, Science and Technology (MEXT), Japan [JPMXP09A-19-UT-0023]
The distribution of cocatalysts on a water splitting photocatalyst was found to be selective, indicating anisotropic charge transport.
The distribution of cocatalysts on a water splitting photocatalyst was investigated using electron microscopy combined with energy dispersive X-ray spectroscopy. Pt, Cr, and Co cocatalyst components were dispersed on the surface of an Al-doped SrTiO3 photocatalyst by stepwise photodeposition. It was found that the Pt/Cr2O3 cocatalyst for hydrogen evolution and the CoOOH cocatalyst for oxygen evolution were selectively deposited on different crystal facets, indicating anisotropic charge transport.
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