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

Fei Yang; Yukina Takahashi; Nobuyuki Sakai; Tetsu Tatsuma

doi:10.1039/b925146d

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

Fei Yang, Yukina Takahashi, Nobuyuki Sakai, Tetsu Tatsuma

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

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.

Original language	English
Pages (from-to)	5166-5170
Number of pages	5
Journal	Physical Chemistry Chemical Physics
Volume	12
Issue number	19
DOIs	https://doi.org/10.1039/b925146d
Publication status	Published - 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1039/b925146d

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