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Application of Poly(3-hexylthiophene) Functionalized with an Anchoring Group in Dye-sensitized Solar Cells

Authors

  • Julien Warnan,

    1. Laboratoire CEISAM, UMR CNRS 6230 – Bât. 4 Faculté des Sciences et des Techniques de Nantes, BP 92208 2, rue de la Houssinière 44322 Nantes cedex 03, France
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  • Yann Pellegrin,

    1. Laboratoire CEISAM, UMR CNRS 6230 – Bât. 4 Faculté des Sciences et des Techniques de Nantes, BP 92208 2, rue de la Houssinière 44322 Nantes cedex 03, France
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  • Errol Blart,

    1. Laboratoire CEISAM, UMR CNRS 6230 – Bât. 4 Faculté des Sciences et des Techniques de Nantes, BP 92208 2, rue de la Houssinière 44322 Nantes cedex 03, France
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  • Fabrice Odobel,

    Corresponding author
    1. Laboratoire CEISAM, UMR CNRS 6230 – Bât. 4 Faculté des Sciences et des Techniques de Nantes, BP 92208 2, rue de la Houssinière 44322 Nantes cedex 03, France
    • Laboratoire CEISAM, UMR CNRS 6230 – Bât. 4 Faculté des Sciences et des Techniques de Nantes, BP 92208 2, rue de la Houssinière 44322 Nantes cedex 03, France.
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  • Wei Zhang,

    1. Department of Chemical and Biomolecular Engineering, National University of Singapore, 117576, Singapore
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  • Bin Liu,

    1. Department of Chemical and Biomolecular Engineering, National University of Singapore, 117576, Singapore
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  • Veluru Jagadeesh Babu,

    1. Healthcare and Energy Materials Laboratory, NUS Nanoscience and Nanotechnology Initiative (NUSNNI), National University of Singapore, 117576, Singapore
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  • Seeram Ramakrishna

    Corresponding author
    1. Healthcare and Energy Materials Laboratory, NUS Nanoscience and Nanotechnology Initiative (NUSNNI), National University of Singapore, 117576, Singapore
    • Healthcare and Energy Materials Laboratory, NUS Nanoscience and Nanotechnology Initiative (NUSNNI), National University of Singapore, 117576, Singapore.
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Abstract

A series of three poly(3-hexylthiophene) functionalized either with a cyanoacetic acid (CA) or a rhodanine-3-acetic acid anchoring groups were synthesized and characterized. The TiO2 based dye-sensitized solar cells have been fabricated and performances were tested. We show that shorter chain length (15 thiophene units) linked to CA binding group gives good performances as Jsc, Voc, FF and η(%) were 6.93(mA · cm−2), 0.65(V), 0.67 and 3.02%, respectively. A maximum IPCE of ≈50% at 500 nm was recorded with a liquid electrolyte, under AM 1.5 simulated solar irradiance.

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