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Porous One-Dimensional Photonic Crystals Improve the Power-Conversion Efficiency of Dye-Sensitized Solar Cells

Authors

  • Silvia Colodrero,

    1. Instituto de Ciencia de Materiales de Sevilla Consejo Superior de Investigaciones Científicas Américo Vespucio 49, 41092 Sevilla (Spain)
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  • Agustín Mihi,

    1. Instituto de Ciencia de Materiales de Sevilla Consejo Superior de Investigaciones Científicas Américo Vespucio 49, 41092 Sevilla (Spain)
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  • Leif Häggman,

    1. Department of Chemistry Center of Molecular Devices The Royal Institute of Technology Teknikringen 30, S-100 44 Stockholm (Sweden)
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  • Manuel Ocaña,

    1. Instituto de Ciencia de Materiales de Sevilla Consejo Superior de Investigaciones Científicas Américo Vespucio 49, 41092 Sevilla (Spain)
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  • Gerrit Boschloo,

    1. Department of Chemistry Center of Molecular Devices The Royal Institute of Technology Teknikringen 30, S-100 44 Stockholm (Sweden)
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  • Anders Hagfeldt,

    1. Department of Chemistry Center of Molecular Devices The Royal Institute of Technology Teknikringen 30, S-100 44 Stockholm (Sweden)
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  • Hernán Míguez

    Corresponding author
    1. Instituto de Ciencia de Materiales de Sevilla Consejo Superior de Investigaciones Científicas Américo Vespucio 49, 41092 Sevilla (Spain)
    • Instituto de Ciencia de Materiales de Sevilla Consejo Superior de Investigaciones Científicas Américo Vespucio 49, 41092 Sevilla (Spain).
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Abstract

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The solar-to-electric power-conversion efficiency (η) of dye-sensitized solar cells can be greatly enhanced by integrating a mesoporous, nanoparticle-based, 1D photonic crystal as a coherent scattering layer in the device. The photogenerated current is greatly improved without altering the open-circuit voltage of the cell, while keeping the transparency of the cell intact. Improved average η values between 15% and 30% are attained.

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