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Dicyanovinyl and Cyano-Ester Benzoindolenine Squaraine Dyes: The Effect of the Central Functionalization on Dye-Sensitized Solar Cell Performance

Author

Listed:
  • Simone Galliano

    (NIS and INSTM Reference Centre, Department of Chemistry, University of Torino, Via Pietro Giuria 7, Torino 10125, Italy)

  • Vittoria Novelli

    (Laboratoire de Réactivité et Chimie du Solide (UMR-CNRS 7314), Université de Picardie Jules Verne, 33 Rue Saint-Leu, Amiens Cedex 80039, France
    Institut de Chimie de Picardie (FR CNRS 3085), Amiens Cedex 80039, France)

  • Nadia Barbero

    (NIS and INSTM Reference Centre, Department of Chemistry, University of Torino, Via Pietro Giuria 7, Torino 10125, Italy)

  • Alessandra Smarra

    (NIS and INSTM Reference Centre, Department of Chemistry, University of Torino, Via Pietro Giuria 7, Torino 10125, Italy)

  • Guido Viscardi

    (NIS and INSTM Reference Centre, Department of Chemistry, University of Torino, Via Pietro Giuria 7, Torino 10125, Italy)

  • Raffaele Borrelli

    (Dipartimento di Scienze Agrarie, Forestali e Alimentari, University of Torino, Largo Paolo Braccini 2, Grugliasco 10095, Italy)

  • Frédéric Sauvage

    (Laboratoire de Réactivité et Chimie du Solide (UMR-CNRS 7314), Université de Picardie Jules Verne, 33 Rue Saint-Leu, Amiens Cedex 80039, France
    Institut de Chimie de Picardie (FR CNRS 3085), Amiens Cedex 80039, France)

  • Claudia Barolo

    (NIS and INSTM Reference Centre, Department of Chemistry, University of Torino, Via Pietro Giuria 7, Torino 10125, Italy)

Abstract

In order to achieve a greater light absorption in the near-infrared (NIR) region with a panchromatic spectral response and to suppress the photo-isomerisation phenomenon, we herein report the design, synthesis, spectroscopic and electrochemical characterization of novel centrally functionalized symmetric benzoindolenine squaraine dyes. These molecules have shown different photoelectrical conversion properties, depending on the dicyanovinyl and cyano-ester group substitution on the squaric core unit and on the extension of the π-conjugation.

Suggested Citation

  • Simone Galliano & Vittoria Novelli & Nadia Barbero & Alessandra Smarra & Guido Viscardi & Raffaele Borrelli & Frédéric Sauvage & Claudia Barolo, 2016. "Dicyanovinyl and Cyano-Ester Benzoindolenine Squaraine Dyes: The Effect of the Central Functionalization on Dye-Sensitized Solar Cell Performance," Energies, MDPI, vol. 9(7), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:7:p:486-:d:72626
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    References listed on IDEAS

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    1. Magistris, Claudio & Martiniani, Stefano & Barbero, Nadia & Park, Jinhyung & Benzi, Caterina & Anderson, Assaf & Law, ChunHung & Barolo, Claudia & O'Regan, Brian, 2013. "Near-infrared absorbing squaraine dye with extended π conjugation for dye-sensitized solar cells," Renewable Energy, Elsevier, vol. 60(C), pages 672-678.
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