Influence of photoinduced Bi-related self-doping on the photocatalytic activity of BiOBr nanosheets
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- 作者：Dan Wua ; Songtao Yueb ; Wei Wangb ; Tiacheng Anc ; antc99@gig.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Guiying Lic ; Liqun Yea ; d ; Ho Yin Yipa ; Po Keung Wonga ; pkwong@cuhk.edu.hk" class="auth_mail" title="E-mail the corresponding author
- 关键词：BiOBr nanosheet ; Self-doping ; Hole oxidation ; Photocatalysis ; Bacterial inactivation
- 刊名：Applied Surface Science
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：391
- 期：part_PB
- 页码：516-524
- 全文大小：3070 K
文摘
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Bi5+ self-doped BiOBr nanosheets are achieved under UV irradiation.
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Bi5+ is formed due to the oxidation of surface Bi3+ by photoexcited h+ of BiOBr.
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Two photoinduced h+ mediated oxidation processes happen simultaneously.
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Self-doped BiOBr is superior in phenol degradation and bacterial inactivation.
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Bi5+ electron trapping induced photocatalytic enhancement mechanism is proposed.
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