Hydrogenated TiO2/ZnO heterojunction nanorod arrays with enhanced performance for photoelectrochemical water splitting

被引：71
|
作者：
Feng, Wenjian [1 ]
Lin, Liangyou [1 ]
Li, Haijin [1 ]
Chi, Bo [1 ]
Pu, Jian [1 ]
Li, Jian [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Ctr Fuel Cell Innovat, State Key Lab Mat Proc & Die & Mould Technol, Sch Mat Sci & Engn, Wuhan 430074, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 07期
关键词：
Hydrogenation; Heterojunction; Nanorod arrays; Photoelectrochemical cells; CORE-SHELL NANOWIRES; NANOTUBE ARRAYS; THIN-FILMS; ZNO NANORODS; NANOPARTICLES; NANOSTRUCTURES; MECHANISM; ANATASE; RUTILE; TIN;
D O I：
10.1016/j.ijhydene.2016.10.087
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：
Novel hydrogenated TiO2/ZnO heterojunction nanorod arrays as photoanodes for efficient photoelectrochemical cells are investigated in this paper. A facial solution coating method is used to prepare the heterojunction structure and then hydrogenated heterojunction is obtained by annealed in hydrogen atmosphere. The enhanced optical absorption is observed for the hydrogenated TiO2/ZnO heterojunction. The hydrogenated TiO2/ZnO heterojunction yields improved photocurrent density, which is higher than pure TiO2 nanorods and TiO2/ZnO heterojunction. The ability to gain excellent photoelectrochemical properties with hydrogenated TiO2/ZnO heterojunction nanorod arrays may provide a promising route for high performance photoelectrochemical cells. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3938 / 3946
页数：9
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