Preparation of high photocatalytic activity TiO2 with a bicrystalline phase containing anatase and TiO2 (B)

被引：63
|
作者：
Zhu, JF
Zhang, JL
Chen, F
Anpo, M
机构：
[1] E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
[3] Osaka Prefecture Univ, Grad Sch Engn, Dept Appl Chem, Osaka 5998531, Japan
来源：
MATERIALS LETTERS | 2005年 / 59卷 / 27期
关键词：
titanium dioxide; photocatalysts; sol-gel method; esterification reaction; bicrystalline structure; TiO2 (B);
D O I：
10.1016/j.matlet.2005.05.072
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple method for preparing high photoactive photocatalysts with anatase and TiO2 (B) has been developed by controlled hydrolysis of titanium butoxide with water generated "in situ" via an esterification reaction between acetic acid and ethanol. The existence of a very uncommon crystal phase, TiO2 (B) was verified by XRD, HRTEM and Raman. The photocatalytic activity of samples prepared was higher than that of Degussa P25 for the liquid phase photocatatlytic degradation of active yellow XRG dye, which is mostly due to the modified sol-gel process and bicrystalline structure containing anatase and TiO2 (B). (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：3378 / 3381
页数：4
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