Persistent Photocatalytic Decomposition of NO over CaAl2O4:(Eu, Nd)/SrTi1-xCryO3 Catalysts

Huihui Li; Shu Yin; Tsugio Sato

doi:10.14853/pcersj.2011S.0.37.0

Annual Meeting of The Ceramic Society of Japan, 2011

Session ID : 1C18

DOI https://doi.org/10.14853/pcersj.2011S.0.37.0

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Host: The Ceramic Society of Japan

Persistent Photocatalytic Decomposition of NO over CaAl2O4:(Eu, Nd)/SrTi1-xCryO3 Catalysts

*Huihui Li, Shu Yin, Tsugio Sato

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Keywords: Photocatalytic, Persistent, composite

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Abstract

The new photocatalysts have been obtained by coupling SrTi1-xCryO3 with CaAl2O4:(Eu, Nd). CaAl2O4:(Eu, Nd) with eye-visible persistent luminescence can be used as light source after a promising coupling. The obtained CaAl2O4:(Eu, Nd)/SrTi1-xCryO3 catalysts were found to persistently reduce NO in the dark after solar light irradiation, while the photocatalytic activity of unsupported SrTi1-xCryO3 immediately disappeared after turning off the light.

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