EFFECT OFAuDEPOSITION ON PHOTOCATALYTIC ACTIVITY OFZnONANOPARTICLES FORCOOXIDATION

Min Zhang, Jianjun Yang, Shuxi Dai, Panke He and Zhijun Zhang
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Min Zhang: Laboratory of Special Functional Materials, Henan University, Kaifeng 475001, China
Jianjun Yang: Laboratory of Special Functional Materials, Henan University, Kaifeng 475001, China
Shuxi Dai: Laboratory of Special Functional Materials, Henan University, Kaifeng 475001, China
Panke He: Laboratory of Special Functional Materials, Henan University, Kaifeng 475001, China
Zhijun Zhang: Laboratory of Special Functional Materials, Henan University, Kaifeng 475001, China

Surface Review and Letters (SRL), 2005, vol. 12, issue 05n06, 749-752

Abstract: In this paper, pure andAu-depositedZnOnanoparticles with differentAucontent were prepared and characterized. The effect ofAucontent on the PL properties and photocatalytic activity ofCOoxidation was mainly investigated. The results showed thatAudeposition can greatly decrease the intensity of PL and enhance the photocatalytic activity ofCOoxidation, which may be attributed to the increased amounts of${\rm O}_{2}^{-}$and the formation ofO(orO-) onAu/ZnOsurface.

Keywords: COphotocatalytic oxidation; Au/ZnO; photoluminescence (PL) spectra (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0218625X05007992

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