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    Open-Circuit Voltage Enhancement on the Basis of Polymer Gel Electrolyte for a Highly Stable Dye-Sensitized Solar Cell

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    Authors
    Wu, Congcong
    Jia, Lichao
    Guo, Siyao
    Han, Song
    Chi, Bo
    Pu, Jian
    Jian, Li
    Date
    2013
    Type
    Journal Article
    
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    Citation
    Wu, Congcong and Jia, Lichao and Guo, Siyao and Han, Song and Chi, Bo and Pu, Jian and Jian, Li. 2013. Open-Circuit Voltage Enhancement on the Basis of Polymer Gel Electrolyte for a Highly Stable Dye-Sensitized Solar Cell. ACS Applied Materials and Interfaces. 5: pp. 7886-7892.
    Source Title
    ACS Applied Materials and Interfaces
    DOI
    10.1021/am4019548
    ISSN
    1944-8244
    URI
    http://hdl.handle.net/20.500.11937/21426
    Collection
    • Curtin Research Publications
    Abstract

    Dye-sensitized solar cells (DSSC) have received considerable attention owing to their low preparation cost and easy fabrication process. However, one of the drawbacks that limits the further application of DSSC is their poor stability, arising from the leakage and volatilization of the liquid organic solvent in the electrolyte. Therefore, to improve the long-term stability of DSSC, polymer gel electrolyte was studied to replace the conventional liquid electrolyte in this work. The results show that compared to liquid electrolyte, DSSC with polymer gel electrolyte has a smaller short-circuit current (Jsc), which decreases with the increase of the polymer gelator. Nevertheless, with the employment of the polymer gel electrolyte, there is a significant enhancement of open-circuit voltage (Voc), and it increases with the increase of the polymer gelator content. The highest Voc, up to 0.873 V, can be obtained for DSSC with a 30% polymer gelator content. The impact of the polymer gel electrolyte on the photovoltaic performance of DSSC, especially on Voc, was studied by analyzing the charge-transfer kinetics in the polymer gel electrolyte. Furthermore, the influence of the polymer gel electrolyte on the long-term stability of DSSC was also investigated.

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