期刊
CRYSTALS
卷 8, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/cryst8110432
关键词
BiVO4; MOFs; photocatalyst; visible light
资金
- National Natural Science Foundation of China [51702218]
- National Natural Science Foundation of Guangdong, China [2016A030310054, 2017A030310009]
- Opening Funding of State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering of Tsinghua University [KF201601]
In this work, a novel metal-organic framework (MOF) and BiVO4 (BVO) composite photocatalyst was successfully synthesized by an in-situ growth method. The characterization of obtained samples was done by X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, N-2 adsorption, and photoluminescence spectroscopy. The photocatalytic performance of ZIF-8@BiV4 composite was evaluated by the degradation of methylene blue (MB) under simulated visible light irradiation. Compared with the mixture of BVO and ZIF-8, the composite photocatalyst exhibited superior photodegradation efficiency, which could be attributed to the synergistic effect between BVO and ZIF-8. The reduced recombination of photogenerated electrons and holes was considered to be an important reason for the enhancement of photocatalytic performance. This design demonstrates a rational method to improve the photocatalytic performance by combining photocatalysts with MOFs.
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