4.8 Article

A New Supramolecular Route for Using Rod-Coil Block Copolymers in Photovoltaic Applications

Journal

ADVANCED MATERIALS
Volume 22, Issue 6, Pages 763-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200902645

Keywords

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Funding

  1. Swiss Science National Foundation
  2. BASF Aktiengesellschaft
  3. French Agence Nationale de la Recherche

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A new polymer blend formed by poly(3-hexylthiophene)-poly(4-vinylpyridine) (P3HT-P4VP) block copolymers and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) is reported. The P4VP and PCBM are mixed together by weak supramolecular interactions, and the resulting materials exhibit microphase separated morphologies of electron-donor and electron-acceptor rich domains. The properties of the blend, used in photovoltaic devices as active layers, are also discussed.

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