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Block Copolymer as a Nanostructuring Agent for High-Efficiency and Annealing-Free Bulk Heterojunction Organic Solar Cells

Authors

  • Cédric Renaud,

    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
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  • Sébastien-Jun Mougnier,

    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
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  • Eleni Pavlopoulou,

    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
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  • Cyril Brochon,

    Corresponding author
    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
    • Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France.===

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  • Guillaume Fleury,

    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
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  • Dargie Deribew,

    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
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  • Giuseppe Portale,

    1. Netherlands Organization for Scientific Research, (NWO) DUBBLE-CRG at the ESRF, Grenoble, France
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  • Eric Cloutet,

    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
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  • Sylvain Chambon,

    1. Laboratoire d'Intégration du Matériau au Système (IMS), Université de Bordeaux, CNRS, UMR 5218, F-33400 Talence, France
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  • Laurence Vignau,

    1. Laboratoire d'Intégration du Matériau au Système (IMS), Université de Bordeaux, CNRS, UMR 5218, F-33400 Talence, France
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  • Georges Hadziioannou

    Corresponding author
    1. Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France
    • Université de Bordeaux, CNRS, Laboratoire de Chimie des Polymères, Organiques (LCPO), UMR 5629, 16 avenue Pey-Berland, F-33607 Pessac Cedex, France.===

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Abstract

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The addition of a block copolymer to the polymer/fullerene blend is a novel approach to the fabrication of organic solar cells. The block copolymer (P3HT-b-P4VP) is used as nanostructuring agent in the active layer. A significant enhancement of the cell efficiency is observed, in correlation with morphology control, both before (as-cast) and after the annealing process.

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