期刊
APPLIED SURFACE SCIENCE
卷 514, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2020.145927
关键词
BiOBr; Crystal engineering; Bi-doped; Photocatalysis; Visible light
类别
资金
- National Natural Science Foundation of China, China Project [21676168, 21476146]
- National Tsing Hua University
- Ministry of Science and Technology, Taiwan [107-2923-E-007-002-MY3, 107-2112-M-007-030-MY3, 106-2923-E-007-006-MY2, 107-2119-M-009-019, 107-3017-F-007-002]
- Sichuan University
A facile one-step solvothermal process was used to synthesize Bi-doped BiOBr microspheres with mainly the (0 0 1) crystal facet exposed (Bi/BiOBr-001-m), which exhibited enhanced photocatalytic performance. The photocatalytic performance and stability of the obtained Bi/BiOBr-001-m photocatalyst for Cr(VI) photoreduction removal and rhodamine B (RhB) photooxidation degradation were significantly better than those of pure BiOBr and Bi-doped BiOBr microspheres. The enhanced performance is ascribed to the retarding effect of photoinduced electron-hole recombination caused by Bi doping and the predominant (0 0 1) crystal plane composite structure. The photocatalytic performance could be further boosted by the adsorbed RhB owing to the dye sensitization effect. This work provides a reference for effectively improving the photocatalytic performance by combining crystal facet engineering and element doping.
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