Enhanced visible-light photocatalytic activity of Ag/AgI coupled Bi2O2CO3 microspheres

被引：15
|
作者：
Chen, Jialin [1 ,2 ]
Li, Shijie [1 ,3 ]
Hu, Shiwei [1 ]
Jiang, Wei [1 ]
机构：
[1] Zhejiang Ocean Univ, Innovat & Applicat Inst, Zhoushan 316022, Zhejiang, Peoples R China
[2] Zhejiang Ocean Univ, Inst Marine Sci & Technol, Zhoushan 316022, Zhejiang, Peoples R China
[3] Zhoushan Municipal Ctr Dis Control & Prevent, Zhejiang Prov Key Lab Hlth Risk Factors Seafood, Zhoushan 316021, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 191卷
关键词：
Ag/AgI/Bi2O2CO3; Semiconductors; Optical materials and properties; Nanocomposites; PERFORMANCE; COMPOSITES; NANOCOMPOSITES;
D O I：
10.1016/j.matlet.2016.12.096
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ag/AgI nanoparticles decorated flower-like Bi2O2CO3 were prepared via a solvothermal precipitation-de position-photoreduction method. The Ag/AgI/Bi2O2CO3 heterojunction with the Ag/Bi2O2CO3 molar ratio of 0.3/1 (0.3AAB) achieved the highest activity under visible light, and the degradation rate constant was 28 or 1 times higher than that by using pristine Bi2O2CO3 or Ag/AgI. The remarkable boosting of photo catalytic activity is due to the synergistic effect of surface plasmon resonance (SPR) from Ag and the heterojunction between Ag/Agl and Bi2O2CO3. The photogenerated holes and superoxide radical primarily govern the RhB degradation. AgtAgI/Bi2O2CO3 holds great potential for environmental remediation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：123 / 127
页数：5
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