Stable Dye-Sensitized Solar Cells by Encapsulation of N719-Sensitized TiO2 Electrodes Using Surface-Induced Cross-Linking Polymerization

Authors

  • Sung-Hae Park,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Jongchul Lim,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
    Current affiliation:
    1. These authors contributed equally to this work.
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  • In Young Song,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
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  • Narender Atmakuri,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
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  • Seulki Song,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
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  • Young Soo Kwon,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
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  • Jong Min Choi,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
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  • Taiho Park

    Corresponding author
    1. Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea
    • Department of Chemical Engineering, Pohang University of Science and Technology, San31, Nam-gu, Pohang, Kyoungbuk, 790-780, Korea.
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Abstract

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Encapsulation of a N719-sensitized TiO2 electrode is successfully achieved through surface-induced cross-linking polymerization of a coadsorbent, which forms a robust, network polymer film. Dye- sensitized solar cells with the film exhibit a remarkable long-term stability (>95% of the initial activity after 480 h) with simultaneous improvement in JSC and VOC, even with 23% lower N719 coverage relative to the control device.

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