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Facile fabrication of Ag3PO4/chitosan membrane composite with visible light photocatalytic performance

In this work, Ag3PO4/chitosan membrane composites were prepared by a facile method of in-situ synthesis. The structure and properties of the obtained Ag3PO4/chitosan membrane composites were characterized using scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, X-ray photo electron spectroscopy, and ultraviolet-visible diffuse reflection absorptive spectra. Photo catalytic properties were investigated via degradation of a methyl orange solution under visible light irradiation. Decolorization results indicated that the decolorization efficiency of Ag3PO4/chitosan membrane composites were better than that of pure Ag3PO4 particles. The impacts of different concentrations of AgNO3 solutions (0.1, 0.2, and 0.3 mol/L) in the experimental process were discussed. At concentrations of 0.2 mol/L, the composite exhibited much higher photo catalytic activity performance under visible light irradiation.