Visible-light photocatalytic degradation of methyl orange by CdS-TiO2-Au composites synthesized via microwave-assisted reaction

被引：38
作者：
Lv, Tian [1 ]
Pan, Likun [1 ]
Liu, Xinjuan [1 ]
Sun, Zhuo [1 ]
机构：
[1] E China Normal Univ, Dept Phys, Minist Educ, Engn Res Ctr Nanophoton & Adv Instrument, Shanghai 200062, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2012年 / 83卷
关键词：
CdS; TiO2; Au; Microwave-assisted reaction; Photocatalysis; TIO2; PHOTODEGRADATION; CDS; AU;
D O I：
10.1016/j.electacta.2012.08.018
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
CdS-TiO2-Au composites were synthesized via microwave-assisted reaction of CdS precursor and chloroaurate solution with TiO2 suspension using a microwave system. The photocatalytic performance of CdS-TiO2-Au composites in degradation of methyl orange was investigated. The results show that CdS-TiO2-Au composites exhibit an enhanced photocatalytic performance with maximum degradation rate of 98% under visible light irradiation as compared with pure TiO2 (43%) and CdS-TiO2 (80%) composite due to the increased light absorption intensity and the reduction of electron-hole pair recombination with the introduction of Au. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：216 / 220
页数：5
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