Oxidation of methanol and formaldehyde to CO2 by a photocatalyst with an energy storage ability

被引：14
|
作者：
Yang, Fei [1 ]
Takahashi, Yukina [1 ]
Sakai, Nobuyuki [1 ]
Tatsuma, Tetsu [1 ]
机构：
[1] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2010年 / 12卷 / 19期
关键词：
PHOTOELECTROCHEMICAL ANTICORROSION; THIN-FILMS; SYSTEMS; ELECTRODES;
D O I：
10.1039/b925146d
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A TiO(2)-Ni(OH)(2) bilayer photocatalyst is known as a photocatalyst with energy storage abilities. Oxidative energy from the UV-irradiated TiO(2) underlayer can be stored in the Ni(OH)(2) overlayer. We investigated oxidation and mineralization of methanol and formaldehyde by the stored oxidative energy by mean of gas chromatography. When the methanol concentration in air is as low as 10 ppm, the mass conversion efficiency from methanol to CO(2) is similar to 86%. Formaldehyde can also be oxidized to CO(2) by the stored energy.
引用
收藏
页码：5166 / 5170
页数：5
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