Sheng-jun Li, Yuan Lin, Wei-wei Tan, Jing-bo Zhang, Xiao-wen Zhou, Jin-mao Chen,  and Zeng Chen, Preparation and performance of dye-sensitized solar cells based on ZnO-modified TiO2 electrodes, Int. J. Miner. Metall. Mater., 17(2010), No. 1, pp. 92-97. https://doi.org/10.1007/s12613-010-0116-z
Cite this article as:
Sheng-jun Li, Yuan Lin, Wei-wei Tan, Jing-bo Zhang, Xiao-wen Zhou, Jin-mao Chen,  and Zeng Chen, Preparation and performance of dye-sensitized solar cells based on ZnO-modified TiO2 electrodes, Int. J. Miner. Metall. Mater., 17(2010), No. 1, pp. 92-97. https://doi.org/10.1007/s12613-010-0116-z

Preparation and performance of dye-sensitized solar cells based on ZnO-modified TiO2 electrodes

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  • Corresponding author:

    Sheng-jun Li    E-mail: lishengjun1011@126.com

  • Received: 2 December 2008Revised: 18 February 2009Accepted: 28 February 2009
  • The ZnO-modified TiO2 electrode was prepared by adding Zn(CH3COO)2·2H2O to the TiO2 colloid during the sol-gel production process, and was used in dye-sensitized solar cells (DSCs). The open circuit voltage (VOC) and fill factor (ff) of the cells were improved significantly. The performances of the ZnO-modified TiO2 electrode such as dark current, transient photocurrent, impedance, absorption spectra, and flat band potential (Vfb) were investigated. It is found that the interface charge recombination impedance increases and Vfb shifts about 200 mV toward the cathodic potential. The effect mechanism of ZnO modification on the performance of DSCs may be that ZnO occupies the surface states of the TiO2 film.
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