Preparation of Doped Nano-TiO2 by Sol-gel Method and the study on its Photocatalytic Performance

被引：0
|
作者：
Yang, Hong-bin [1 ,2 ]
Wang, Wen Ke [2 ]
Jing, Xiu-yan [1 ]
Yang, Sheng-ke [2 ]
机构：
[1] Xian Univ Sci & Technol, Dept Geol & Environm Engn, Xian, Peoples R China
[2] Changan Univ, Coll Environm Sci & Engn, Xian, Peoples R China
来源：
2010 4TH INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING (ICBBE 2010) | 2010年
关键词：
Sol-gel Method; Nano-TiO2; doped; 8-Aniline-alpha-Naphthalene Sulfonic Acid;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The paper produces Nano-TiO2 doped with Fe3+,Ce3+, Cu2+, Ce3+ and La3+ using sol-gel method, examines the effects of their preparation condition on catalyst performance, and then explores the influence of the adding amount of metal ions and different ions combinations on photocatalytic activity of modified Nano-TiO2. The result indicates the optimum condition for preparing doped Nano-TiO2 adopting sol-gel method as following. Firstly, at the temperature of 20 degrees C, add 2ml of nitric acid into the testing solution with 1 hour stirring at speed of 200r/min; secondly, deposit the solution for 5 hours; and then calcinate above precipitate for 2 hours at the temperature of 500 degrees C. The final product is Nano-TiO2 prepared by sol-gel method. In addition, the comparisons of the effects of single-group ion doped product and double-group ones show that Nano-TiO2 doped with Cr3+(2.2wt%), La3+ (0.5wt %) and Fe3+ (0.2wt %) possesses the strongest photocatalytic activity.
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页数：4
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