Visible light photocatalytic properties of α-Bi2O3 composited with Fe2O3

被引：0
|
作者：
Gao, Y. [1 ]
Xin, H. J. [1 ]
Shang, J. [1 ]
Wang, L. [1 ]
Hao, W. C. [1 ]
Wang, T. M. [1 ]
机构：
[1] Beihang Univ, Ctr Mat Phys & Chem, Beijing 100191, Peoples R China
来源：
MATERIALS RESEARCH INNOVATIONS | 2014年 / 18卷
关键词：
alpha-Bi2O3/Fe2O3; Composite; Visible light; Photocatalytic activity; WATER; IRRADIATION; OXIDATION;
D O I：
10.1179/1432891714Z.000000000642
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bismuth oxide was widely studied as an important metal oxide semiconductor. In this paper, a series of alpha-Bi2O3/Fe2O3 with different contents of Fe2O3 were synthesised using a sol-gel method. The photocatalytic performance of composites powder was evaluated using rhodamine B (RhB) as a model pollutant under visible light irradiation (lambda>420 nm). The alpha-Bi2O3/Fe2O3(x) samples present much higher photocatalytic performance than that of pure alpha-Bi2O3. When the composite content is 30 wt-%, the composite shows the best performance which can effectively degrade 85% RhB within 60 min. In addition, the photocatalytic mechanism of this kind of composite photocatalyst was discussed.
引用
收藏
页码：41 / 44
页数：4
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