TiO2 based films prepared by sol-gel method for advanced water treatment

被引：5
|
作者：
Barau, A
Crisan, M
Gartner, M
Danciu, V
Cosoveanu, V
Marian, I
Anastasescu, M
Zaharescu, M
机构：
[1] Roumanian Acad, Inst Phys Chem IG Murgelescu, Bucharest 060021, Romania
[2] Univ Babes Bolyai, Fac Chem & Chem Engn, R-3400 Cluj Napoca, Romania
来源：
FUNCTIONALLY GRADED MATERIALS VIII | 2005年 / 492-493卷
关键词：
TiO2 based films; photocatalysts; sol-gel method; ellipsometry; water treatment;
D O I：
10.4028/www.scientific.net/MSF.492-493.311
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present work, iron doped TiO2 films were prepared by sol-gel method. An extensive study by varying the dopant quantity (0, 0.7, 1.4, 5 % wt Fe2O3 related to TiO2 the type of substrate (glass or ITO coated glass) and annealing temperature (300 and 500 degrees C) was performed. The sol-gel process evolution was studied by viscosity measurements and the unsupported gels were analyzed by thermal analysis (DTA/TGA) and IR spectroscopy. The deposited films were characterized by spectroellipsometry (SE). The catalytic activity of the films was determinate by measuring the degradation rate of the salicylic acid used as a model organic substance. A complex influence of the investigated parameters on the photocatalytic properties of the TiO2 based films was established.
引用
收藏
页码：311 / 316
页数：6
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