Hydrothermal fabrication of Ni3S2/TiO2 nanotube composite films on Ni anode and application in photoassisted water electrolysis

被引：11

作者：

He, Hongbo ^{[1
]}

Chen, Aiping ^{[1
]}

Lv, Hui ^{[1
]}

Dong, Haijun ^{[1
]}

Chang, Ming ^{[1
]}

Li, Chunzhong ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 574卷

基金：

中国国家自然科学基金;

关键词：

Ni3S2/TiO2; nanotube; Water electrolysis; Photocatalysis; Hydrogen evolution; SENSITIZED SOLAR-CELLS; LIGHT PHOTOCATALYTIC ACTIVITY; COUNTER ELECTRODES; THIN-FILMS; ZINC FOILS; TIO2; ARRAYS; PHOTOELECTRODE; NANOCOMPOSITE; NANOPARTICLES;

D O I：

10.1016/j.jallcom.2013.04.208

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：

Nanostructured films of rhombohedral Ni3S2 were hydrothermally synthesized on Ni and TiO2 nanotube layer, as substrates. A possible mechanism is proposed to explain the formation of rhombohedral Ni3S2 nanostructures. The results of UV-vis spectrophotometric studies indicate that optical absorption spectrum of Ni3S2/TiO2 nanotube composites could be extended to the visible region. As-synthesized Ni3S2/TiO2 nanotube composite films on Ni substrate had better (by about 40%) hydrogen production performance under the visible light irradiation, in comparison with the Ni anode modified by TiO2 nanotubes. (C) 2013 Elsevier B.V. All rights reserved.

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页码：217 / 220

页数：4

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