Mechanism of CeVO4/TiO2 Photocatalytic Degradation of VOCs under Visible Light Irradiation: Electrochemical, Photoluminescence and Active Oxygen Species Study

Han Jie Huang; Wen Long She; Ling Wen Yang

doi:10.4028/www.scientific.net/AMM.217-219.853

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Mechanism of CeVO4/TiO2 Photocatalytic Degradation...

Mechanism of CeVO₄/TiO₂ Photocatalytic Degradation of VOCs under Visible Light Irradiation: Electrochemical, Photoluminescence and Active Oxygen Species Study

Abstract:

In this paper, CeVO₄/TiO₂ composite photocatalyst has been characterized by photoelectrochemical and reactive oxygen species trap techniques to reveal the mechanism for photocatalytic degradation of VOCs in gas-phase. Based on the measurement of flatband of the samples and the detection of reactive oxygen species, a visible light-induced photocatalytic degradation mechanism of VOCs on CeVO₄/TiO₂ is proposed.