Citation: 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. doi: 10.11862/CJIC.2020.144 shu

Preparation and Photocatalytic Properties of Ag/Bi₂WO₆ Composites

Nanjing University of Posts and Telecommunications, Key Laboratory for Organic Electronics and Information Displays, Institute of Information Materials and Nanotechnology, Nanjing 210023, China

Corresponding author: CHEN Ying, iamyingchen@njupt.edu.cn
Received Date: 6 March 2020
Revised Date: 25 April 2020

Figures(8)

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.
- Ag doping,
- Bi₂WO₆,
- hydrothermal synthesis method,
- photocatalysis,
- methyl orange
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Preparation and Photocatalytic Properties of Ag/Bi₂WO₆ Composites