Facile synthesis of AgI/BiOI-Bi2O3 multi-heterojunctions with high visible light activity for Cr(VI) reduction
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- 作者：Qi Wanga ; b ; Xiaodong Shia ; Enqin Liua ; John C. Crittendenb ; Xiangjuan Maa ; Yi Zhanga ; Yanqing Conga ; yqcong@hotmail.com" class="auth_mail" title="E-mail the corresponding author ; yqcong@zjgsu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Visible light ; AgI ; BiOI-Bi2O3 ; Cr(VI) reduction ; Heterojunction
- 刊名：Journal of Hazardous Materials
- 出版年：2016
- 出版时间：5 November 2016
- 年：2016
- 卷：317
- 期：Complete
- 页码：8-16
- 全文大小：2667 K
文摘
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Visible-light-active AgI/BiOI-Bi2O3 with multi-heterojunctions was prepared.
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Highly enhanced photocatalytic reduction of Cr(VI) was observed.
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kCr(VI) on AgI/BiOI-Bi2O3 increased by ca.16 times relative to Bi2O3.
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Decreased Eg, shifted Efb and reduced charge transfer resistance were observed.
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Simultaneous reduction of Cr(VI) and degradation of organics were achieved.