Ternary Z-Scheme Heterojunction of Bi2WO6 with Reduced Graphene Oxide (rGO) and Bi25FeO40 for Enhanced Visible-Light Photocatalysis

被引：0
|
作者：
Rui Zhang
Chen Zhao
Tongqing Zhang
Qiong Han
Yu Li
Yi Liu
Kunlin Zeng
机构：
[1] Southwest Petroleum University,College of Chemistry and Chemical Engineering
来源：
Journal of Inorganic and Organometallic Polymers and Materials | 2020年 / 30卷
关键词：
Bi; WO; /r-GO/Bi; FeO; Z-scheme; Methylene blue; Norfloxacin;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The novel Bi2WO6/r-GO/Bi25FeO40 Z-scheme system composite photocatalyst was synthesized by hydrothermal method. The crystal structure, elemental composition, surface morphology, optical and photoelectrochemical properties of the synthesized composite photocatalyst were tested. Compared with pure Bi2WO6, Bi25FeO40 and Bi2WO6/Bi25FeO40, Bi2WO6/r-GO/Bi25FeO40 composite photocatalyst has good degradation effect on methylene blue under visible light irradiation for 30 min. The synthetic Bi2WO6/r-GO/Bi25FeO40 photocatalyst norfloxacin also has a certain degradation capacity. The effects of catalyst dosage and norfloxacin concentration on the degradation were investigated. The catalytic mechanism of Bi2WO6/r-GO/Bi25FeO40 composite photocatalyst can be well explained by the Z-scheme system. The results show that the effective charge separation, better light absorption and larger surface area of Bi2WO6/r-GO/Bi25FeO40 composite photocatalyst contribute to excellent photocatalytic performance.
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页码：2152 / 2162
页数：10
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