Nano-TiO2 particles with increased photocatalytic activity prepared by the miniemulsion method

被引：21
|
作者：
Zhang, Shiying [1 ]
Yu, Quming
Chen, Zhenhua
Li, Yunlong
You, Yang
机构：
[1] Changsha Univ, Dept Environm Chem & Engn, Hunan 410003, Peoples R China
[2] Hunan Univ, Coll Mat Sci & Engn, Hunan 410082, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 26期
关键词：
nanomaterials; titanium dioxide; miniemulsion; catalysts; methyl orange;
D O I：
10.1016/j.matlet.2007.03.054
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The water-in-oil (W/O) miniemulsion system was used to prepare nano-TiO2 particles. The nano-TiO2 particles were characterized by XRD, FTIR, DRS, SEM and BET surface area analysis. The photoactivity of nano-TiO2 particles was evaluated by photocatalytic degradation of methyl orange. The results show that nano-TiO2 particles, prepared by miniemulsion, have a higher efficiency in decomposition of methyl orange than P25 and TiO2 synthesized via the sol-gel method due to the high surface area and optimum phase constitution. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码：4839 / 4842
页数：4
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