Enhancement of the visible light photocatalytic activity of heterojunction In2O3/BiVO4 composites

被引：23
|
作者：
Yin, J. Z. [1 ]
Huang, S. B. [1 ,2 ]
Jian, Z. C. [1 ]
Pan, M. L. [1 ]
Zhang, Y. Q. [1 ]
Fei, Z. B. [1 ]
Xu, X. R. [3 ]
机构：
[1] S China Univ Technol, Sch Environm & Energy, Guangzhou 510006, Guangdong, Peoples R China
[2] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China
[3] S China Univ Technol, Analyt & Testing Ctr, Guangzhou 510640, Guangdong, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2015年 / 120卷 / 04期
关键词：
HYDROTHERMAL SYNTHESIS; METHYLENE-BLUE; DEGRADATION; NANOCOMPOSITES; FABRICATION;
D O I：
10.1007/s00339-015-9349-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Novel In2O3/BiVO4 heterojunction composite photocatalysts with tunable In2O3 content were prepared using a mild hydrothermal method. The structure, composition, and optical properties of the In2O3/BiVO4 composites were determined by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, UV-Vis diffuse reflectance spectroscopy, Brunauer-Emmett-Teller surface analysis, and X-ray photoelectron spectroscopy. Furthermore, photocatalytic activities of the as-prepared composites were investigated by studying the degradation of methylene blue (MB) solutions under simulated visible light irradiation (lambda > 420 nm). It was found that the 50 % proportion of In2O3 in the In2O3/BiVO4 composite exhibited the highest photocatalytic performance, leading to 91 % decomposition of MB within 240 min of irradiation.
引用
收藏
页码：1529 / 1535
页数：7
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