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Xiaoyan Hao,Man Li,Li Zhang,Kuokuo Wang,Chunguang Liu 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.55 No.-
A high efficient photocatalyst (TiO2/WO3/GO) was developed with tungsten trioxide doping and graphene oxide hybridization. XRD and SEM indicate the formation of crystalline anatase/rutile TiO2 and hexagonal and cubic WO3. UV–vis spectroscopy shows the excellent visible-light-responsive performance. The photocatalyst exhibits excellent photocatalytic performance for bisphenol A degradation under visible light and sunlight irradiations. Transformation by-products were identified and main degradation pathways were proposed. The photocatalytic mechanism is also proposed on the basis of the fact that charge separation is facilitated owing to photo-generated electrons transfer from TiO2 to WO3 to GO and photogenerated holes transfer from WO3 to TiO2.