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

页码：123 / 127

页数：5

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