Enhanced visible light photocatalytic activity and mechanism of ZnSn(OH)6 nanocubes modified with AgI nanoparticles

被引：79
作者：
Chen, Fei
Yang, Qi [1 ]
Niu, Chenggang
Li, Xiaoming
Zhang, Chang
Zhao, Jianwei
Xu, Qiuxiang
Zhong, Yu
Deng, Yaocheng
Zeng, Guangming
机构：
[1] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2016年 / 73卷
基金：
中国国家自然科学基金; 国家教育部博士点专项基金资助;
关键词：
Visible-light-driven; AgI/ZSH; Photocatalysis; RhB; Photodegradation mechanism; ENVIRONMENTAL APPLICATIONS; ORGANIC-DYES; REMOVAL; DEGRADATION; PERFORMANCE; HETEROJUNCTION; IRRADIATION; ADSORPTION; NANOSHEETS; COMPOSITE;
D O I：
10.1016/j.catcom.2015.10.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Novel visible-light-driven photocatalyst AgI/ZnSn(OH)(6) (AgI/ZSH) was synthesized by a facile deposition-precipitation method. The effect of several parameters such as the AgI loading, catalysts dosage and initial dye concentration on the photodegradation of rhodamine B (RhB) was investigated. The degradation efficiency of RhB could be almost 100% within 40 min and the removal rate of TOC reached 91% within 60 min at 20% AgI/ZSH dosage 1 g/L, which was 34 and 4.6 times of ZSH and AgI, respectively. The enhanced photoactivity of AgI/ZSH should be contributed to the faster separation of electron-hole pairs with ZSH as an electron trap. (C) 2015 Elsevier B.V. All rights reserved.
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页码：1 / 6
页数：6
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