Study on highly efficient BiOCl/ZnO p-n heterojunction: Synthesis, characterization and visible-light-excited photocatalytic activity

被引：45
作者：
Chang, Jun-Qing [1 ,2 ]
Zhong, Yan [1 ,2 ]
Hu, Chao-Hao [1 ,2 ]
Luo, Jia-Liang [2 ]
Wang, Peng-Guo [2 ]
机构：
[1] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
[2] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guilin 541004, Peoples R China
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2019年 / 1183卷
基金：
中国国家自然科学基金;
关键词：
BiOCl/ZnO p-n heterojunction; Visible light; Photodegradation; RhB; ZINC-OXIDE; TEMPERATURE SYNTHESIS; COMBUSTION SYNTHESIS; ZNO NANOPARTICLES; DEGRADATION; NANOSHEETS; COMPOSITE; SURFACES; FACETS; ENERGY;
D O I：
10.1016/j.molstruc.2019.01.095
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：
A series of BiOCl/ZnO p-n heterojunctions were successfully synthesized by a solvothermal process combined with precipitation method. The structural characterization and optical properties of BiOCl/ZnO heterojunctions were well studied by XRD, SEM, TEM, XPS, BET, PL, EIS and UV-Vis-DRS. The photocatalytic activities of as-synthesized photocatalysts were evaluated by the degradation of Rhodamine B (RhB) under visible light irradiation. The obtained BiOCl/ZnO composite heterojunction with the 1:1 M ratio exhibited excellent enhanced photocatalytic performance and showed good photocatalytic stability against RhB. The enhanced photocatalytic activity may attributes to the formation of BiOCl/ZnO p-n heterojunction, which will lead to the development of the bulit-in electric field and be beneficial to the effective separation of photoelectron-holes. (C) 2019 Published by Elsevier B.V.
引用
收藏
页码：209 / 216
页数：8
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