Preparation and Photoelectric Properties of ZnO/TiO2 Nanotubes Film Electrodes

doi:10.3724/SP.J.1077.2012.00585

Journal of Inorganic Materials ›› 2012, Vol. 27 ›› Issue (6): 585-590.DOI: 10.3724/SP.J.1077.2012.00585

• Research Paper • Previous Articles Next Articles

Preparation and Photoelectric Properties of ZnO/TiO₂ Nanotubes Film Electrodes

ZHAO Li^1,2, FAN Jia-Jie², LI Jing¹, DAI Guo-Tian¹, WANG Shi-Min¹

(1. Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, China; 2. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China)

Received:2011-07-14 Revised:2011-09-18 Published:2012-06-20 Online:2012-05-07
About author:ZHAO Li. E-mail: zhaoli7376@163.com
Supported by:
National Natural Science Foundation of China (51102087); 973 Program (2010CB234606); China Postdoctoral Science Foundation Funded Project (20100471164); Educational Commission of Hubei Province of China (Q20091007, Z20101001); Wuhan Science and Technology Bureau of Hubei Province of China (201051730551)

Abstract

Abstract: ZnO/TiO₂ nanotubes were prepared using ZnO nanorods as raw materials, which were synthesized by hydrothermal methods. Then its performance as an electrode of a dye-sensitized solar cell was investigated. The obtained products were characterized by SEM, XRD, EDX and N₂ adsorption. Furthermore, the photoelectric properties of ZnO/TiO₂ nanotubes film electrodes calcined at different temperatures were investigated by UV-Vis adsorption spectra and electrochemical workstation. It is found that the DSSC based on ZnO/TiO₂ nanotubes calcined at 600℃ have optimum photoelectric properties, J_sc=2.28 mA/cm² and V_oc= 0.631 V, yielding the 0.66% maximum conversion efficiency. Additionally, after TiCl₄ posttreatment, the performance of DSSC made from ZnO/TiO₂ nanotubes are improved obviously and the photoelectric conversion efficiency is up to 1.06%.

Key words: ZnO/TiO₂ nanotubes, calcination temperature, photoelectric properties, TiCl₄, heat-treatment

CLC Number:

O643

ZHAO Li, FAN Jia-Jie, LI Jing, DAI Guo-Tian, WANG Shi-Min. Preparation and Photoelectric Properties of ZnO/TiO₂ Nanotubes Film Electrodes[J]. Journal of Inorganic Materials, 2012, 27(6): 585-590.

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Preparation and Photoelectric Properties of ZnO/TiO₂ Nanotubes Film Electrodes

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