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Juan Yang, * Xiaohan Wang, Yumei Chen, Jun Dai * and Shihao Sun
Enhanced photocatalytic activities of visible-light driven green synthesis in water and environmental
remediation on Au/Bi2WO6 hybrid nanostructures
RSC Adv., 2015, 5, 9771–9782

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yangjuan8880: 金币+5, ★★★很有帮助 2015-03-17 14:15:54
https://apps.webofknowledge.com/ ... age=1&doc=1
Enhanced photocatalytic activities of visible-light driven green synthesis in water and environmental remediation on Au/Bi2WO6 hybrid nanostructures
作者:Yang, J (Yang, Juan)[ 1 ] ; Wang, XH (Wang, Xiaohan)[ 1 ] ; Chen, YM (Chen, Yumei)[ 1 ] ; Dai, J (Dai, Jun)[ 1 ] ; Sun, SH (Sun, Shihao)[ 1 ]


RSC ADVANCES


卷: 5
期: 13
页: 9771-9782
DOI: 10.1039/c4ra15349a

出版年: 2015

查看期刊信息

RSC ADVANCES  

JCR® 类别 JCR 分区
CHEMISTRY, MULTIDISCIPLINARY  Q1


数据来自第 2013 版 Journal Citation Reports®

出版商 ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND

ISSN: 2046-2069

研究领域 Chemistry



摘要
A series of Au/Bi2WO6 nanocomposites with different weight ratios of Au were fabricated via a hydrothermal combined with a rapid reduction-deposition method. Au/Bi2WO6 nanocomposites are proven to serve as selective visible light photocatalysts toward aerobic oxidation of benzylic alcohols and reduction of heavy ions Cr(VI), instead of being nonselective in water. Loading Au NPs greatly enhances the photocatalytic activity of Bi2WO6 for the selective oxidation of alcohols and reduction of heavy metal ions. The enhancing effect is dependent on the weight ratios of Au to Bi2WO6 in the hybrid nanostructures. The optimal catalysts for alcohol oxidation and Cr(VI) reduction are 2.0 wt% and 1.0 wt% Au/Bi2WO6, respectively. Furthermore, we find that loading Au results in an obvious increase in photo-induced generation of charge carriers and active radicals determined by electron spin resonance spectroscopy (ESR). ESR signals denoting photogenerated holes and catalytic activity of alcohol oxidation have a similar dependence on the amounts of Au loading. Besides, the generation and transfer of photogenerated electrons induced by Au loading, as well as the relationship with the photocatalytic activity of Cr(VI) reduction, have been examined using photoelectrochemical characterization. The possible roles of Au deposition in improving the photocatalytic redox activity of Bi2WO6 are also discussed.

关键词
KeyWords Plus:SUPPORTED GOLD NANOPARTICLES; HYDROGEN-PRODUCTION; AROMATIC ALCOHOLS; AEROBIC OXIDATION; DOPED TIO2; IRRADIATION; OXIDE; ALDEHYDES; BI2WO6; SEMICONDUCTOR

作者信息
通讯作者地址: Yang, J (通讯作者) Henan Polytech Univ, Inst Appl Chem, Jiaozuo 454003, Peoples R China.
  增强组织信息的名称
    Henan Polytech University  


地址:  [ 1 ] Henan Polytech Univ, Inst Appl Chem, Jiaozuo 454003, Peoples R China
  增强组织信息的名称
    Henan Polytech University  


电子邮件地址:yangjuanhpu@yahoo.com; daijun@hpu.edu.cn

基金资助致谢
基金资助机构 授权号
National Natural Science Foundation of China  21307027
51074067  
Foundation of Henan Educational Committee  2010B150009  
查看基金资助信息关闭基金资助信息   

This work was supported by the National Natural Science Foundation of China (21307027, 51074067) and the Foundation of Henan Educational Committee (2010B150009).

出版商
ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND

类别 / 分类
研究方向:Chemistry

Web of Science 类别:Chemistry, Multidisciplinary

文献信息
文献类型:Article

语种:English

入藏号: WOS:000347976500059

ISSN: 2046-2069

期刊信息

Impact Factor (影响因子): Journal Citation Reports®
其他信息
IDS 号: AZ1BY

Web of Science 核心合集中的 "引用的参考文献": 54

Web of Science 核心合集中的 "被引频次": 0
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yangjuan8880: 金币+5, ★★★很有帮助 2015-03-17 14:17:31
心静_依然: LS-EPI+1, 感谢应助 2015-03-17 15:41:18
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