Photoelectrochromic properties and energy storage of TiO2-xNx/NiO bilayer thin films

被引：26
作者：
Huang, H. [1 ]
Jiang, L. [1 ]
Zhang, W. K. [1 ]
Gan, Y. P. [1 ]
Tao, X. Y. [1 ]
Chen, H. F. [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Chem Engn & Mat Sci, Hangzhou 310032, Zhejiang, Peoples R China
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2010年 / 94卷 / 02期
基金：
中国国家自然科学基金;
关键词：
N-doped TiO2; NiO; Photoelectrochromic properties; Energy storage; Thin film; PHOTOCATALYTIC ACTIVITY; TITANIUM-DIOXIDE; TIO2; CHEMISTRY; RUTILE;
D O I：
10.1016/j.solmat.2009.10.013
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
N-doped TiO2 film was synthesized oil indium-tin oxide (ITO) conducting glass substrate by sol-gel method and characterized by X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). As compared to the undoped TiO2, the synthesized N-doped TiO2 had visible-light photoresponse and exhibited a significant increase in the photocurrent under Xe-light irradiation. Then high-porous NiO was deposited onto the N-doped TiO2 layer by chemical bath deposition (CBD) to obtain TiO2-xNx/NiO bilayer thin films. The TiO2-xNx/NiO electrode showed excellent photoelectrochrornic properties and energy storage capability. Upon light irradiation, the formed holes gave rise to the oxidation of NiO to NiOOH, and the color of the TiO2-xNx/NiO electrode changed from colorless to brown. After 2 h irradiation, the discharge time was about 4.2 h at the current density of 100 nA cm(-2). (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：355 / 359
页数：5
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