Synthesis of Ag3PO4-Bi2O2CO3 composites with high visible-light photocatalytic activity

被引：23
|
作者：
Hu, Yu [1 ]
Dong, Chao [1 ]
Wu, Kong-Lin [1 ]
Xia, Shan-Hui [1 ]
Li, Xiao [1 ]
Wei, Xian-Wen [1 ]
机构：
[1] Anhui Normal Univ, Anhui Key Lab Funct Mol Solids, Coll Chem & Mat Sci, Key Lab Funct Mol Solids,Minist Educ,Anhui Lab Mo, Wuhu 241000, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 147卷
关键词：
Semiconductors; Ag3PO4-Bi2O2CO3; Composite materials; Optical materials and properties; HIERARCHICAL HOLLOW MICROSPHERES; TEMPLATE-FREE FABRICATION; SEMICONDUCTOR; (BIO)(2)CO3; NANOCOMPOSITES; PHOTOACTIVITY; EFFICIENT;
D O I：
10.1016/j.matlet.2014.12.097
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ag3PO4-Bi2O2CO3 composites were prepared by a combination of hydrothermal technique and precipitation method for the first time. Ag3PO4 nanoparticles with ca. 200 nm in size were attached to the surface of Bi2O2CO3 microspheres in diameter of 1-2 mu m, which had higher photocatalytic activity than Bi2O2CO3 microspheres toward degradation of Rhodamine B (RhB) in water under visible light irradiation. The Ag3PO4-Bi2O2CO3 composite with the molar ratio of Ag3PO4:Bi2O2CO3=1:1 exhibited the highest photodegradation efficiency of RhB (97% in 30 min), which was about 22 times of pure Bi2O2CO3 microspheres. The enhanced photoactivity could be ascribed to more light harvest and more effective separation of photo-generated electron-hole pairs. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：69 / 71
页数：3
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