Photoelectrochemical performance of CdTe sensitized TiO2 nanotube array photoelectrodes

被引：52
作者：
Wang, Qingyao [1 ]
Yang, Xiuchun [1 ]
Chi, Lina [1 ]
Cui, Miaomiao [1 ]
机构：
[1] Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2013年 / 91卷
基金：
中国国家自然科学基金;
关键词：
CdTe quantum dots; TiO2 nanotube arrays; Successive ionic layer adsorption and reaction; Photoelectrochemical property; Photocorrosion; SOLAR-CELLS; TRANSFORMATION; PHOTORESPONSE; MORPHOLOGY; RANGE; TUBES; AG;
D O I：
10.1016/j.electacta.2012.12.117
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
CdTe and ZnS quantum dots sensitized TiO2 nanotube array photoelectrodes were prepared by depositing CdTe and ZnS QDs on the tube walls of the self-organized TiO2 NTs using successive ionic layer adsorption and reaction (SILAR) technique. The deposition of CdTe and ZnS on the upper and inner surface of the TiO2 NTs was confirmed by field emission scanning electron (FE-SEM) and transmission electron microscopes (TEM). The obtained results indicated that TiO2 NTs photoelectrodes sensitized by CdTe quantum dots for 5 cycles exhibited excellent photoelectrochemical properties, with an open-circuit voltage of 0.95 V and a short circuit current density of 11.15 mA cm(-2), and ZnS coating protected the photoelectrodes against photocorrosion. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：330 / 336
页数：7
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