Preparation of Ag-loaded octahedral Bi2WO6 photocatalyst and its photocatalytic activity |
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Authors: | Liang An Guanghui Wang Xuan Zhou Yi Wang Fang Gao Yang Cheng |
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Affiliation: | 1. College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan, 430081, P.R. China
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Abstract: | In this work, an Ag-loaded octahedral Bi2WO6 photocatalyst has been successfully prepared by the hydrothermal method and photo deposition method. X-ray diffraction (XRD), energy dispersive analysis of X-ray (EDX), field-emission scanning electron microscopy (FE-SEM) and ultra-violet adsorption spectrum (UV-Vis) were employed for characterization of the composite photocatalyst. Furthermore, two different photocatalysts including the obtained Ag-loaded octahedral Bi2WO6 were employed here for photodegradation of model contaminated water of Orange II (OII). Results show that Ag-loaded Bi2WO6 photocatalyst exhibits superior photocatalytic properties compared to the undoped Bi2WO6. The reasons for improvement in photocatalytic activity of the Ag-loaded octahedral Bi2WO6 were also discussed. |
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