期刊
CHEMPLUSCHEM
卷 83, 期 5, 页码 334-338出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201700527
关键词
Co3O4; facet selectivity; gold; nanomaterials; photocatalysis
资金
- Ministry of Science and Technology of the People's Republic of China [2016YFE0129600]
- National Natural Science Foundation of China [21401135, 21673150, 21703146]
- Postdoctoral Science Foundation of China [2016M591909]
- 111 Project
- Collaborative Innovation Center of Suzhou Nano Science and Technology (NANO-CIC)
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- SWC for Synchrotron Radiation Research
Depositing noble metals on specific facets of semiconductors can improve the separation of photoexcited hole-electron pairs during the photocatalytic reaction, resulting in enhanced photocatalytic performance. This work describes the selective deposition of noble metal nanoparticles (Au, Pt, Pd) on some specific facets of p-type Co3O4 through a simple and facile photoassisted method. The deposition of Au nanoparticles (NPs) on {111} facets of Co3O4 nanocrystals (NCs) can remarkably improve their photocatalytic activity towards water oxidation, which can be attributed to enhanced charge spatial separation. Moreover, the magnetically separated photocatalysts are good examples of new designed photocatalysts that can be recovered easily.
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