Facile preparation of a novel Bi24O31Br10/nano-ZnO composite photocatalyst with enhanced visible light photocatalytic ability

被引：30
作者：
Jiang, Zao [1 ]
Xiao, Chu [3 ]
Yin, Xiuyu [1 ]
Xu, Longjun [1 ]
Liu, Chenglun [1 ,2 ]
Wang, Hailong [1 ]
机构：
[1] Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China
[3] Army Logist Univ PLA, Chongqing 401331, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2020年 / 46卷 / 08期
关键词：
Bi24O31Br10/nano-ZnO; Photo-catalytic ability; Photo-catalytic principle; Solvothermal method; BISMUTH OXYHALIDES; DEGRADATION; NANOCOMPOSITES; FABRICATION; PERFORMANCE; HETEROJUNCTION; THICKNESS;
D O I：
10.1016/j.ceramint.2020.01.087
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this wok, a novel Bi24O31Br10/nano-ZnO composite photocatalyst has been synthesized with solvothermal method. The photocatalytic ability of the composite photocatalyst is estimated through degrading Rhodomine B (RhB) under visible light. The RhB degradation rate exceeds 90% in 40 min for the Bi24O31Br10/nano-ZnO (5%) composite, showing the most remarkable photocatalytic abilities. The excellent photocatalytic performance can be explained by the successful detachment and motion of photo-induced electrons (e(-)) and holes (h(+)) in the composite photocatalyst. Additionally, a probable photo-catalytic principle of the Bi24O31Br10/nano-ZnO composite for RhB degradation is discussed. This study could provide an original visible light driven photocatalyst on efficiently purifying dye wastewaters.
引用
收藏
页码：10771 / 10778
页数：8
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