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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¨C9782

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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
×÷Õß: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


¾í: 5
ÆÚ: 13
Ò³: 9771-9782
DOI: 10.1039/c4ra15349a

³ö°æÄê: 2015

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RSC ADVANCES  

JCR® Àà±ð JCR ·ÖÇø
CHEMISTRY, MULTIDISCIPLINARY  Q1


Êý¾ÝÀ´×ÔµÚ 2013 °æ Journal Citation Reports®

³ö°æÉÌ ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND

ISSN: 2046-2069

Ñо¿ÁìÓò Chemistry



ÕªÒª
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.

¹Ø¼ü´Ê
KeyWords Plus:SUPPORTED GOLD NANOPARTICLES; HYDROGEN-PRODUCTION; AROMATIC ALCOHOLS; AEROBIC OXIDATION; DOPED TIO2; IRRADIATION; OXIDE; ALDEHYDES; BI2WO6; SEMICONDUCTOR

×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Yang, J (ͨѶ×÷Õß) Henan Polytech Univ, Inst Appl Chem, Jiaozuo 454003, Peoples R China.
  ÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ
    Henan Polytech University  


µØÖ·:  [ 1 ] Henan Polytech Univ, Inst Appl Chem, Jiaozuo 454003, Peoples R China
  ÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ
    Henan Polytech University  


µç×ÓÓʼþµØÖ·:yangjuanhpu@yahoo.com; daijun@hpu.edu.cn

»ù½ð×ÊÖúÖÂл
»ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ
National Natural Science Foundation of China  21307027
51074067  
Foundation of Henan Educational Committee  2010B150009  
²é¿´»ù½ð×ÊÖúÐÅÏ¢¹Ø±Õ»ù½ð×ÊÖúÐÅÏ¢   

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

³ö°æÉÌ
ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND

Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Chemistry

Web of Science Àà±ð:Chemistry, Multidisciplinary

ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:English

Èë²ØºÅ: WOS:000347976500059

ISSN: 2046-2069

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Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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IDS ºÅ: AZ1BY

Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 54

Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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