Hydrothermal synthesis of BiO_(2-x)-(BiO)_2CO_3 composite and their photocatalytic performance with visible light radiation 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Materials Letters
年/卷/期
2019 / 238 / Mar.1
页码
281-285
ISSN号
0167-577X
作者单位
Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China|Hankuk Univ Foreign Studies, Dept Phys, Yongin 17035, South Korea|Hankuk Univ Foreign Studies, Oxide Res Ctr, Yongin 17035, South Korea;Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China;Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China;Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China;Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China;Shaanxi Normal Univ, Sch Phys & Informat Technol, Xian 710062, Shaanxi, Peoples R China;Hankuk Univ Foreign Studies, Dept Phys, Yongin 17035, South Korea|Hankuk Univ Foreign Studies, Oxide Res Ctr, Yongin 17035, South Korea;Korea Basic Sci Inst, Busan Ctr, Busan 46742, South Korea;Hankuk Univ Foreign Studies, Dept Phys, Yongin 17035, South Korea|Hankuk Univ Foreign Studies, Oxide Res Ctr, Yongin 17035, South Korea;
作者
Jia, Yuefa;Zhao, Tiantian;Liu, Deming;Han, Hongkun;Gao, Jianzhi;Zhu, Gangqiang;Kwon, Namic;Bae, Jong-Seong;Liu, Chunli;
摘要
In this study, novel BiO2 (x)-(BiO)(2)CO3 photocatalysts with Z -scheme structure were successfully prepared by a hydrothermal method. XRD patterns clearly indicated the coexistence of both BiO2 x and (BiO)(2)CO3 in the composites. The formation of heterojunction was observed by TEM. The BiO2 x-(BiO)(2)CO3 possessed an excellent phenol degrading rate of 95% within 60 min under visible light irradiation. Radical trapping experiments indicated that both h(+), HO center dot and O-2(center dot) are the main active species responsible for the degradations. The fantastic Z-scheme structure of the BiO2 (x)-(BiO)(2)CO3 heterogeneous not only extended photo-responsive range but also enhanced electron-hole separation capacity. (C) 2018 Elsevier B.V. All rights reserved.
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关键词/主题词
BiO2-x;(BiO)(2)CO3;Phenol;Photocatalytic;
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