BiFeO3/Cu2O Heterojunction for Efficient Photoelectrochemical Water Splitting Under Visible-Light Irradiation

被引：11
|
作者：
Zhu, Jianfei [1 ]
He, Yanfang [1 ]
Yang, Ying [1 ]
Liu, Yuan [1 ]
Chen, Mingming [1 ]
Cao, Dawei [1 ]
机构：
[1] Jiangsu Univ, Fac Sci, Dept Phys, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
CATALYSIS LETTERS | 2021年 / 151卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Photoelectrochemical; BiFeO3; Sol-gel; Heterojunction; Charge transfer; FERROELECTRIC-FILM; PERFORMANCE; INTERFACE;
D O I：
10.1007/s10562-020-03338-1
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 method of constructing BiFeO3/Cu2O heterojunction on the surface of BiFeO3 is reported by using sol-gel and magnetron sputtering. The photocurrent density of BiFeO3 with heterostructure is 6.8 times the original BiFeO3. The photoelectrochemical performance improvement of BiFeO3/Cu2O was due to the effective construction of heterojunctions, which improves the light absorption capacity, reduces the resistance in charge transfer and also effectively accelerates the separation and collection of photogenerated electron-hole pairs. This work provides a promising strategy to develop high-efficiency PEC electrodes, and has potential to be applied in the visible-light water splitting area. [GRAPHICS] .
引用
收藏
页码：382 / 389
页数：8
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