Beneficial Effects of Liquid Crystalline Phases in Solid-State Dye-Sensitized Solar Cells

Authors

  • Rubén D. Costa,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy & Interdisciplinary, Center for Molecular Materials (ICMM), Egerlandstrasse 3, 91058, Erlangen, Germany
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  • Fabian Werner,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy & Interdisciplinary, Center for Molecular Materials (ICMM), Egerlandstrasse 3, 91058, Erlangen, Germany
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  • Xinjiao Wang,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Inorganic Chemistry, Egerlandstrasse 1, 91058, Erlangen, Germany
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  • Philipp Grönninger,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy & Interdisciplinary, Center for Molecular Materials (ICMM), Egerlandstrasse 3, 91058, Erlangen, Germany
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  • Sebastian Feihl,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy & Interdisciplinary, Center for Molecular Materials (ICMM), Egerlandstrasse 3, 91058, Erlangen, Germany
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  • Florian T. U. Kohler,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemical and Bioengineering, Reaction Engineering, Egerlandstrasse 3, 91058, Erlangen, Germany
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  • Peter Wasserscheid,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemical and Bioengineering, Reaction Engineering, Egerlandstrasse 3, 91058, Erlangen, Germany
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  • Susanne Hibler,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Division of Pharmaceutics, Freeze Drying Focus Group, Cauerstrasse 4, 91058, Erlangen, Germany
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  • Radim Beranek,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Inorganic Chemistry, Egerlandstrasse 1, 91058, Erlangen, Germany
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  • Karsten Meyer,

    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Inorganic Chemistry, Egerlandstrasse 1, 91058, Erlangen, Germany
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  • Dirk M. Guldi

    Corresponding author
    1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy & Interdisciplinary, Center for Molecular Materials (ICMM), Egerlandstrasse 3, 91058, Erlangen, Germany
    • Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy & Interdisciplinary, Center for Molecular Materials (ICMM), Egerlandstrasse 3, 91058, Erlangen, Germany.
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Abstract

Two novel double-alkyl functionalized imidazolium ionic liquid crystals have successfully been utilized to demonstrate the benefits of the liquid crystalline phase on the ssDSSC performance. In particular, a good balance between dye regeneration and hole transport is only realized in the liquid crystalline phase. Devices that employ a single component ionic liquid based electrolyte show a remarkably stable efficiency during 1000 h under outdoor operation temperature conditions and 1 sun illumination.

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