One-step synthesis of flower-like Ag/AgCl/BiOCl composite with enhanced visible-light photocatalytic activity

被引：128
|
作者：
Xiong, Wei [1 ,2 ]
Zhao, Qidong [1 ,2 ]
Li, Xinyong [1 ,2 ,3 ]
Zhang, Dongke [3 ]
机构：
[1] Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, State Key Lab Fine Chem, Sch Environm Sci & Technol, Dalian 116024, Peoples R China
[3] Univ Western Australia, Ctr Energy, Crawley, WA 6009, Australia
来源：
CATALYSIS COMMUNICATIONS | 2011年 / 16卷 / 01期
基金：
国家高技术研究发展计划(863计划);
关键词：
Ag/AgCl/BiOCl; Visible light; Photocatalysis; Rhodamine B; STABLE PHOTOCATALYST; DEGRADATION; UV; PHOTODEGRADATION; POLLUTANTS; OXIDATION; EFFICIENT; BIOCL; DYE;
D O I：
10.1016/j.catcom.2011.09.027
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：
The flower-like Ag/AgCl/BiOCl composite was prepared by a one-step chemical bath method at low temperature for the first time. The morphology, crystallinity, composition, and optical property were well characterized by scanning electron microscope, X-ray diffraction, energy dispersive X-ray analysis, UV-vis diffuse reflectance spectrophotometer and nitrogen adsorption-desorption. The Ag/AgCl/BiOCl composite displayed enhanced visible-light photocatalytic activity against rhodamine B, which was much higher than Ag/AgCl or BiOCl. The mechanism for the degradation of rhodamine B over the Ag/AgCl/BiOCl was discussed. The superoxide radical and chlorine radical or the hole played critical roles instead of hydroxyl radicals. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：229 / 233
页数：5
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