Effect of plasma-polymerized layer formed on a surface of titanium dioxide particle on its photocatalytic activity

被引：0

作者：

Yamada, Kenji ^{[1
]}

Iwasawa, Naoko ^{[1
]}

Sonoda, Tatsuhiko ^{[1
]}

Yamane, Hirokazu ^{[1
]}

Matsushima, Shigenori ^{[1
]}

Nakamura, Hiroyuki ^{[2
]}

机构：

[1] Department of Materials Science and Chemical Engineering, Kitakyushu National College of Technology, Kitakyushu

[2] Department of Integrated Arts and Science, Kitakyushu National College of Technology, Kitakyushu

来源：

Shinku/Journal of the Vacuum Society of Japan | 2007年 / 50卷 / 10期

关键词：

D O I：

10.3131/jvsj.50.629

中图分类号：

学科分类号：

摘要：

If TiO2 particles are used as components of paint without any surface modification, binding resin of the paint will be easily decomposed by the photocatalytic activity of the particles. In this work, plasma polymerization of octamethylcyclotetrasiloxane as a siloxane monomer is tried to form thin layer stable to the photocatalytic activity on the surface of TiO2 particles. The plasma-polymerized layer containing Si-O and Si-C bonds is formed on the surface of the particles and shows stability to the photocatalytic activity of TiO2. The particles surface-modified with the plasma polymerization exhibit visiblelight activity. The visible-light activity is originated from carbon doping which brings about in the particles during the plasma polymerization, and is thermally stable to be maintained after annealing at 673 K.

引用

页码：629 / 634

页数：5

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