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Increasing visible-light absorption for photocatalysis with black BiOCl
Liqun Ye1, Kejian Deng, Feng Xu
1College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, China.
Abstract:
Black BiOCl with oxygen vacancies was prepared by UV light irradiation with Ar blowing. The as-prepared black BiOCl sample showed 20 times higher visible light photocatalytic activity than white BiOCl for RhB degradation. The trapping experiment showed that the superoxide radical (O(2)(•-)) and holes (h(+)) were the main active species in aqueous solution under visible light irradiation.
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