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In Situ Gelation of Electrolytes for Highly Efficient Gel-State Dye-Sensitized Solar Cells

Authors

  • Ching-Lun Chen,

    1. Department of Chemical Engineering and Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan, 7010, Taiwan
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  • Hsisheng Teng,

    1. Department of Chemical Engineering and Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan, 7010, Taiwan
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  • Yuh-Lang Lee

    Corresponding author
    1. Department of Chemical Engineering and Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan, 7010, Taiwan
    • Department of Chemical Engineering and Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan, 7010, Taiwan.
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Abstract

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By using poly(acrylonitrile-co-vinyl acetate) as a gelator in an acetonitrile-based liquid electrolyte, an in situ gelation of the liquid electrolyte can be performed inside the mesoporous matrix of TiO2 films. By introduction of TiO2 nanoparticles as fillers of the gel-electrolyte, the energy conversion efficiency of a gel-state dye-sensitized solar cell can achieve a value higher than that of a liquid-state cell.

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