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Preparation and Photocatalytic Properties of Ag/Bi2WO6 Composites
Author NameAffiliationE-mail
LIU Yong Nanjing University of Posts and Telecommunications, Key Laboratory for Organic Electronics and Information Displays, Institute of Information Materials and Nanotechnology, Nanjing 210023, China  
ZAN Jia-Hui Nanjing University of Posts and Telecommunications, Key Laboratory for Organic Electronics and Information Displays, Institute of Information Materials and Nanotechnology, Nanjing 210023, China  
CHEN Ying Nanjing University of Posts and Telecommunications, Key Laboratory for Organic Electronics and Information Displays, Institute of Information Materials and Nanotechnology, Nanjing 210023, China iamyingchen@njupt.edu.cn 
FAN Qu-Li Nanjing University of Posts and Telecommunications, Key Laboratory for Organic Electronics and Information Displays, Institute of Information Materials and Nanotechnology, Nanjing 210023, China  
Abstract: One-step hydrothermal synthesis was used to prepare spherical Bi2WO6 and Ag/Bi2WO6 photocatalysts, and the properties of the samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), ultravioletvisible spectrophotometry (UV-Vis) and other means. Under the condition of simulating sunlight, the catalytic activity and mechanism of Bi2WO6 and Ag/Bi2WO6 were studied using methyl orange (MO) as degradation product. The results show that compared with Bi2WO6, Ag/Bi2WO6 has a better degradation effect on MO under the same conditions. When the Ag doping amount was 1%(n/n), the degradation rate (180 min) reached 91.4%, and the degradation rate of the recovered sample was also obtained, which also reached 81%. In addition, a preliminary study of the degradation mechanism of Ag/Bi2WO6 composites was also performed.
Keywords: Ag doping  Bi2WO6  hydrothermal synthesis method  photocatalysis  methyl orange
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LIU Yong,ZAN Jia-Hui,CHEN Ying,FAN Qu-Li.Preparation and Photocatalytic Properties of Ag/Bi2WO6 Composites[J].Chinese Journal of Inorganic Chemistry,2020,36(8):1499-1505.
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Chinese Journal of Inorganic Chemistry