Synthesis and Characterization Ag Nanoparticles Supported on Bi2WO6 Nanoplates for Enhanced Visible-Light-Driven Photocatalytic Degradation of Rhodamine B

被引：0
作者：
Anukorn Phuruangrat
Paveen-On Keereesaensuk
K. Karthik
Phattranit Dumrongrojthanath
Nuengruethai Ekthammathat
Somchai Thongtem
Titipun Thongtem
机构：
[1] Prince of Songkla University,Department of Materials Science and Technology, Faculty of Science
[2] Bharathidasan University,Department of Physics
[3] Rajamangala University of Technology Lanna Chiang Rai,Program in Chemistry, Faculty of Science and Technology
[4] Bansomdejchaopraya Rajabhat University,Department of Physics and Materials Science, Faculty of Science
[5] Chiang Mai University,Materials Science Research Center, Faculty of Science
[6] Chiang Mai University,Department of Chemistry, Faculty of Science
[7] Chiang Mai University,undefined
来源：
Journal of Inorganic and Organometallic Polymers and Materials | 2020年 / 30卷
关键词：
Ag/Bi; WO; heterojunction; Photocatalysis; Spectroscopy; X-ray diffraction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Heterostructure Ag/Bi2WO6 nanocomposites with different weight contents of Ag nanoparticles for photodegradation of rhodamine B (RhB) were successfully synthesized by solution precipitate-deposition method using sodium borohydride (NaBH4) as a reducing agent. The results of X-ray diffraction (XRD) and transmission electron microscopy (TEM) certify the successful synthesis of cubic Ag nanoparticles supported on the surface of orthorhombic Bi2WO6 nanoplates. X-ray photoelectron spectroscopy (XPS) revealed the presence of metallic Ag species supported on Bi2WO6 nanoplates. The photocatalytic performance of heterostructure Ag/Bi2WO6 nanocomposites were investigated through the degradation of RhB under visible light irradiation. In this research, Ag/Bi2WO6 nanocomposites exhibited excellent chemical stability and recyclability under visible light irradiation. The 5 wt% Ag/Bi2WO6 showed the highest photodegradation of RhB due to the Ag nanoparticles acting as an electron trapper, to restrain the recombination of photo-induced electrons and holes, to improve the charge separation, and to enhance the photocatalytic performance of Bi2WO6.
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页码：1033 / 1040
页数：7
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