Solution combustion synthesis of CaFe2O4 nanocrystal as a magnetically separable photocatalyst

被引：61
|
作者：
Zhang, Zhijie [1 ]
Wang, Wenzhong [2 ]
机构：
[1] Shanghai Inst Technol, Dept Mat Sci & Engn, Shanghai 201418, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
来源：
MATERIALS LETTERS | 2014年 / 133卷
基金：
中国国家自然科学基金;
关键词：
Nanoparticles; Magnetic materials; CaFe2O4; Solution combustion synthesis; Photocatalyst; ZINC FERRITE;
D O I：
10.1016/j.matlet.2014.07.050
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic CaFe2O4 photocatalyst was successfully synthesized via a solution combustion synthesis (SCS) method, using glycine as the fuel. The as-prepared CaFe2O4 nanoparticles had an average size of 100 nm and broad photo-absorption range. Its band gap calculated from the adsorption edge was fixed at 1.82 eV, which suggested that it could be excited by visible-light. The photo-degradation of methylene blue (MB) under visible light, demonstrated that the CaFe2O4 nanocrystals exhibited high photocatalytic activity. The enhanced photocatalytic activity could be attributed to the small particle size of the CaFe2O4 nanocrystals. Moreover, the product could be easily recycled from the solution by applying an external magnetic field. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：212 / 215
页数：4
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