Fabrication and Evaluation of Visible Light Active TiO2 Photocatalyst by Molten Salt Method

被引：3
|
作者：
Hirakawa, Yutaka [1 ,2 ]
Lu, Yun [1 ,2 ]
Yoshida, Hiroyuki [3 ]
Matsuzaka, Koh [1 ,2 ,3 ]
Hao, Liang [1 ,2 ]
Sato, Hiromasa [1 ,2 ]
机构：
[1] Chiba Univ, Grad Sch, Chiba 2638522, Japan
[2] Chiba Univ, Fac Engn, Chiba 2638522, Japan
[3] Chiba Ind Technol Res Inst, Chiba 2640017, Japan
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS | 2013年 / 77卷 / 07期
关键词：
mechanical coating technique; titanium coating; molten salt method; titanium dioxide photocatalyst; visible light activity; DOPED TIO2; FILMS; DEGRADATION; STEEL; GLASS;
D O I：
10.2320/jinstmet.J2012061
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Molten salt method with nitrate was proposed and carried out to fabricate TiO2 photocatalyst with visible light activity. The alumina balls with Ti films formed by mechanical coating technique were used for the source samples. The microstructures and composition of the compounds were characterized by SEM, XRD and EDS. The absorption characteristic was evaluated by methylene blue solution concentration. The photocatalytic activity under visible light or UV light was evaluated by the degradation constant h. Molten salt method with KNO3 nitrate is a simple and effective way to fabricate visible light active TiO2 photocatalyst. The fabricated TiO2 photocatalyst showed high absorption property and photocatalytic activity under visible light. The high performance of the fabricated TiO2 photocatalyst is due to the reaction of K element in the molten KNO3.
引用
收藏
页码：287 / 293
页数：7
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