One-step synthesis of flower-like WO3/Bi2WO6 heterojunction with enhanced visible light photocatalytic activity

被引：37
|
作者：
Zhu, Zhenfeng [1 ]
Yan, Ying [1 ]
Li, Junqi [1 ]
机构：
[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2016年 / 51卷 / 04期
基金：
美国国家科学基金会;
关键词：
HYDROTHERMAL PREPARATION STRATEGY; COMPOSITE PHOTOCATALYSTS; METHYLENE-BLUE; DEGRADATION; BI2WO6; MICROSPHERES; CONVERSION; ORANGE;
D O I：
10.1007/s10853-015-9521-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
WO3/Bi2WO6 heterojunctions with flower-like structure were prepared by a facile hydrothermal process without any surfactants or templates. In the heterojunctions, WO3 nanoparticles were incorporated into three-dimensional flower-like hierarchical Bi2WO6. The WO3/Bi2WO6 samples showed much higher photocatalytic activity than pure Bi2WO6 did for rhodamine B degradation under visible light irradiation. This could be ascribed to the formation of n-n type heterojunction, which resulted in the high transfer rate of the photo-generated electron-holes between WO3 and Bi2WO6 and confirmed by photoluminescence and photocurrent measurements.
引用
收藏
页码：2112 / 2120
页数：9
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