Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 219, Issue -, Pages 432-438Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2017.07.033
Keywords
Solar water splitting; LaCoO3; Hot electron injection; Plasmonic based photo-catalyst
Funding
- National Natural Science Foundation of China [21503209, 21307005]
- Beijing Natural Science Foundation [2162042]
- CAS [QYZDB-SSW-SLH006]
- National Specific Project of Water Pollution Control and Disposal in China [2014ZX07201-010]
- Hundred-Talent Program (Chinese Academy of Sciences)
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In order to acquire an efficient photo-catalyst for generating hydrogen directly on the material, herein, we introduce the well-known catalyst, LaCoO3, to the community of water splitting using solar energy. By combining with Au nanoparticles, we find that hot electrons injected from Au nanoparticles to LaCoO3 are responsible for amplifying the photo-catalytic efficiency and the well-known thermal-stimulus for driving chemical transformations is not observed to be influential. Such charging process to the catalysts is crucial for promoting the subsequent catalytic reactions. Thus, this paper provides insights into the working mechanism of plasmonic based photo-catalyst. (C) 2017 Elsevier B.V. All rights reserved.
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