Fabrication of Ag3PO4-PANI-GO composites with high visible light photocatalytic performance and stability

被引:37
|
作者
Zhang, Jianguo [1 ]
Bi, Huiping [2 ]
He, Guangyu [1 ]
Zhou, Yongwen [3 ]
Chen, Haiqun [1 ]
机构
[1] Changzhou Univ, Key Lab Adv Catalyt Mat & Technol, Changzhou 213164, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Key Lab, Minist Educ Soft Chem & Funct Mat, Nanjing 210094, Jiangsu, Peoples R China
[3] Ashland China Holdings Co Ltd, Shanghai 201108, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
Ag3PO4; Polyaniline; Graphene oxide; Photocatalyst; Nanocomposites;
D O I
10.1016/j.jece.2014.03.011
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this paper, a simple co-precipitation method was used to prepare Ag3PO4-PANI-GO photocatalyst. The polyaniline (PANI) nanofibers and Ag3PO4 nanoparticles were supported by graphene oxide sheets. The composite material exhibits better photocatalytic properties and stability for both cationic dye rhodamine B and anionic dye methyl orange under visible light irradiation than Ag3PO4-GO photocatalyst does. The significant enhancement in photoactivity can be attributed to the differences of valence band position between Ag3PO4 and PANI that causes a high separation efficiency of photogenerated electron-hole pairs. Ideas on the design and fabrication of highly efficient and visible-light-driven novel photocatalysts are expected to be inspired by this work to solve energy and environmental problems. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:952 / 957
页数:6
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