Enhancing visible light photocatalytic activity of bismuth vanadate with the loading of zinc oxide

被引：5
|
作者：
Liang, Mengjun [1 ]
Chen, Lu [1 ]
Yang, Zhiyuan [1 ]
Zeng, Zhen [1 ]
Yang, Shuijin [1 ]
机构：
[1] Hubei Normal Univ, Coll Chem & Chem Engn, Hubei Key Lab Pollutant Anal & Reuse Technol, Huangshi 435002, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2019年 / 12卷 / 01期
基金：
中国国家自然科学基金;
关键词：
ZnO/Bi4V2O11; visible-light; mechanism; SCHEME CHARGE SEPARATION; HETEROJUNCTION; DEGRADATION; PERFORMANCE; NANOBELTS; OXYGEN;
D O I：
10.1142/S1793604718501102
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnO/Bi4V2O11 nanocomposites were prepared via a facile hydrothermal method by loading different amounts of ZnO onto the surface of Bi4V2O11. The resulting ZnO/Bi4V2O11 composites showed excellent photocatalytic activity than that of pure ZnO under visible light irradiation. When the ratio of ZnO to Bi4V2O11 was 1:1 (ZB2), the photocatalytic activity was best, which could degrade RhB almost completely within 30 min. The enhanced photocatalytic activity of ZnO/Bi4V2O11 composites could be mainly ascribed to the efficient charge separation and the increased specific surface area. Based on the experimental and bandgap calculations, a possible photocatalytic mechanism was proposed.
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页数：4
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