Issue 19, 2010
From the journal:

Physical Chemistry Chemical Physics

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

Fei Yang,a   Yukina Takahashi,a   Nobuyuki Sakaia  and  Tetsu Tatsuma*a  

* Corresponding authors

a Institute of Industrial Science, University of Tokyo, Komaba, Meguro-ku, Tokyo, Japan
E-mail: tatsuma@iis.u-tokyo.ac.jp
Fax: +81-3-5452-6338
Tel: +81-3-5452-6336

Abstract

A TiO2–Ni(OH)2 bilayer photocatalyst is known as a photocatalyst with energy storage abilities. Oxidative energy from the UV-irradiated TiO2 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 CO2 is ∼86%. Formaldehyde can also be oxidized to CO2 by the stored energy.

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

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Article information

DOI
https://doi.org/10.1039/B925146D
Article type
Paper
Submitted
30 Nov 2009
Accepted
26 Feb 2010
First published
01 Apr 2010

Phys. Chem. Chem. Phys., 2010,12, 5166-5170

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

F. Yang, Y. Takahashi, N. Sakai and T. Tatsuma, Phys. Chem. Chem. Phys., 2010, 12, 5166 DOI: 10.1039/B925146D

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