Citation: Sheng Jun Li, Yuan Lin, Zeng Chen, Jing Bo Zhang, Xiao Wen Zhou. Electrochemical impedance analysis of nanoporous TiO₂ electrode at low bias potential[J]. Chinese Chemical Letters, ;2010, 21(8): 959-962. doi: 10.1016/j.cclet.2010.03.033 shu

Electrochemical impedance analysis of nanoporous TiO₂ electrode at low bias potential

a College of Physics and Electrics, He'nan University, Kaifeng 475004, China;
b Beijing National Laboratory for Molecular Sciences, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China

Received Date: 2 November 2009

Fund Project: This work is support by Nation Research Fund for Fundamental Key Project (No. 2006CB202605) and Nation Natural Science Foundation of China (No. 50473055). Experimental help from Tan Weiwei is gratefully acknowledged.

TiO₂ colloid was prepared by the sol-gel method and was bladed on transparent conduction glass to made nanoporous electrode.The impedance performance of TiO₂ electrode was studied at various bias potential.A simplified equivalent circuit was proposed to investigate the charge transport impedance of TiO₂ film and good fitting results were obtained.
- Dye-sensitized solar cell,
- Electrochemical impedance spectroscopy,
- Equivalent circuit,
- Charge transport impedance
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