Bactericidal and photocatalytic activity of Fe3+-TiO2 thin films prepared by the sol-gel method

被引：4
|
作者：
Wang Xun [1 ,2 ]
Gong Wenqi [1 ]
机构：
[1] Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Sch Urban Construct, Wuhan 430070, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2008年 / 23卷 / 02期
关键词：
sol-gel method; bactericidal and photocatalytic activity; escherichia coli; bacillus subtillis; iron doped TiO2 film;
D O I：
10.1007/s11595-006-2155-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pure TiO2 thin films and iron doped TiO2 thin films on glass substrate were prepared by sol-gel method, and characterized by X-ray diff-ractometer (XRD), thermo-gravimetric analysis (TG-DSC), high resolution transmission electron microscope (HRTEM), scanning electron microscope (SEM) and UV-Vis spectroscopy, respectively. The experimental results show that the pure TiO2 thin films and iron doped TiO2 thin films can destroy most of the escherichia coli and bacillus subtillis under the irradiation of 365 tun UV-light. However, the iron doped TiO2 thin film is a better photocatalyst than pure TiO2 thin film. The ultrastructural studies provide direct evidences for understanding the bactericidal mechanism of the TiO2 photocatalyst.
引用
收藏
页码：155 / 158
页数：4
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