A study on anodic TiO2 photocatalyst for water purification

被引：1

作者：

Oh, HJ ^{[1
]}

Lee, JH

Jeong, Y

Suh, SJ

Chi, CS

机构：

[1] Hanseo Univ, Dept Mat Sci, Seosan 352820, South Korea

[2] Hanseo Univ, Dept Chem, Seosan 352820, South Korea

[3] Korea Inst Machinery & Mat, Chang Won 641010, South Korea

[4] Sungkyunkwan Univ, Sch Met & Mat Engn, Suwon 440746, South Korea

[5] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea

来源：

DESIGNING, PROCESSING AND PROPERTIES OF ADVANCED ENGINEERING MATERIALS, PTS 1 AND 2 | 2004年 / 449-4卷

关键词：

photocatalyst; anodic TiO2 film; anodization; porous cell structure; aniline blue;

D O I：

10.4028/www.scientific.net/MSF.449-452.1249

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The microstructure and photocatalytic characteristics of anodic TiO2 film have been investigated for applications in waste water treatment. The major structure of the fabricated anodic TiO2 film consisted of porous cell structure, of which the main crystal structure has been found to be anatase type. The photocatalytic efficiencies of anodized TiO2 were evaluated by the degradation rate of aniline blue and the chemical states of anodic film were estimated by P-2P spectrum. The reaction order and the rate constant for degradation of dye have been determined to be first dimension and 1.6084 x 10(-4)S. Due to the high bonding strength between TiO2 film, and the substrate and the high specific surface area, the anodized TiO2 can be used as efficient photocatalyst with high reactivity for waste water treatment and water purification.

引用

页码：1249 / 1252

页数：4

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