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

页码：209 / 216

页数：8

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