Visible-light-responsive photocatalyst prepared by sintering a TiO2/Cu plate

A visible-light-responsive photocatalyst has been prepared simply by sintering a TiO2-coated Cu plate. The new photocatalyst was able to reduce the concentration of formaldehyde by 8-12% at ca. 296 K with an air flow rate of ca. 0.5 L/min (ca. 1 ppm formaldehyde included), a photocatalyst cross sect...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2014-08, Vol.53 (9)
Main Authors: Kogoshi, Sumio, Araki, Syota, Yazawa, Syota, Nakano, Takuma, Takeuchi, Tomohiko, Katayama, Noboru, Kudo, Yusuke, Nakanishi, Tetsuya
Format: Article
Language:English
Online Access:Get full text
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Summary:A visible-light-responsive photocatalyst has been prepared simply by sintering a TiO2-coated Cu plate. The new photocatalyst was able to reduce the concentration of formaldehyde by 8-12% at ca. 296 K with an air flow rate of ca. 0.5 L/min (ca. 1 ppm formaldehyde included), a photocatalyst cross section of 50 × 100 mm2, ca. 50% humidity, and light intensity of 30 W/m2 (white LED light). The reduction rate was approximately two times higher than that for N-doped TiO2 (TiO2−xNx) under almost the same test conditions.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAP.53.098001