Preparation and studies of photocatalytic silver-loaded TiO2 films by hybrid sol-gel method

被引：77
作者：
Hou, Xing-Gang [1 ,2 ]
Huang, Mei-Dong [2 ]
Wu, Xiao-Ling [1 ]
Liu, An-Dong [1 ]
机构：
[1] Beijing Normal Univ, Minist Educ, Key Lab Beam Technol & Mat Modificat, Beijing 100875, Peoples R China
[2] Tianjin Normal Univ, Dept Phys, Tianjin 300387, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2009年 / 146卷 / 01期
关键词：
Ag/TiO2; film; Photodegradation; Visible light; Catalytic efficiency; VISIBLE-LIGHT PHOTOCATALYSIS; TITANIUM-DIOXIDE; NANOPARTICULATE TIO2; PHOTODEGRADATION; OXIDATION; WATER; AG; DEPOSITION; IRRADIATION; PARTICLES;
D O I：
10.1016/j.cej.2008.05.041
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Ag/TiO2 photocatalytic films were produced by hybrid sol-gel method. The photocatalytic degradation of methyl orange (MO) in aqueous solution under both UV and visible light irradiation on TiO2 and Ag/TiO2 thin films was investigated. The state and amount of Ag species within the film and the enhancement mechanism of photocatalytic activity of Ag/TiO2 were discussed. The maximum catalytic efficiency was observed under both UV and visible light irradiation. The molar ratio of Ag/Ti corresponding to the best catalytic activity depends on the wavelength of the radiation employed. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：42 / 48
页数：7
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