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Preparation and Photocatalytic Mechanism of Ag₃PO₄/SnO₂ Composite Photocatalyst

School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, Hubei, P. R. China

E-mail Address: fli157@126.com

Corresponding author.

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Guang Zhang

School of Resources and Environmental Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, Hubei, P. R. China

Hubei Collaborative Innovation Center for Early, Warning and Emergency Response Technology, Luoshi Road 205, Wuhan 430070, Hubei, P. R. China

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, and

Yinghua Song

Hubei Collaborative Innovation Center for Early, Warning and Emergency Response Technology, Luoshi Road 205, Wuhan 430070, Hubei, P. R. China

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https://doi.org/10.1142/S1793292019500929Cited by:4 (Source: Crossref)

Abstract

A simple hydrothermal conversion method for the preparation of Ag₃PO₄/SnO₂ composite photocatalyst has been developed. The morphological properties of the nanocomposites are studied using transmission electron microscopy (TEM), energy dispersive spectrometer (EDS), X-ray powder diffraction (XRD) and other methods. Different properties of catalysts are prepared by adjusting the temperature of hydrothermal reaction and the volume ratio. The prepared photocatalyst is tested by degradation of tetracycline solution under visible light show that the degradation rate of tetracycline can reach 74% when the initial [Ag₃PO₄]/[SnO₂] molar ratio is 15 and the temperature is 140^∘C. Moreover, by constructing Ag₃PO₄/SnO₂ composite structure, the impedance and photocurrent of material are enhanced significantly according to the electrochemical characterization.

Keywords:

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