Photocatalytic Degradation with WO3/TiO2 Composites Under UV and Visible Light

被引：2
|
作者：
Ezaki, Masato [1 ]
Michida, Wataru [1 ]
Kusakabe, Katsuki [1 ]
机构：
[1] Sojo Univ, Dept Nanosci, Nishi Ku, Kumamoto 8600082, Japan
来源：
PROCESS AND ADVANCED MATERIALS ENGINEERING | 2014年 / 625卷
关键词：
Photocatalyst; Adsorption; Titania; Tungsten trioxide; TITANIUM-DIOXIDE; WO3;
D O I：
10.4028/www.scientific.net/AMM.625.293
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Tungsten trioxide and titania composites (WTs) were prepared by acid precipitation following sol-gel method. The photocatalytic activity of WT was evaluated by the photodegradation of methylene blue (MB) under UV and visible light irradiation. Effects of dispersion state in the WTs with different composition on the photocatalytic activity were investigated. Highly dispersed agglomerates consisting of monoclinic WO3 and anatase TiO2 nanoparticles were formed. As a result, the WO3/TiO2 photocatalyst with the atomic fraction, W/(W+ Ti), of 0.5 showed the highest photocatalytic activity to the MB degradation under UV and visible light irradiation.
引用
收藏
页码：293 / 297
页数：5
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