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High-Molecular-Weight Regular Alternating Diketopyrrolopyrrole-based Terpolymers for Efficient Organic Solar Cells

Authors

  • Koen H. Hendriks,

    1. Molecular Materials and Nanosystems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • Gaël H. L. Heintges,

    1. Molecular Materials and Nanosystems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • Dr. Veronique S. Gevaerts,

    1. Molecular Materials and Nanosystems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • Dr. Martijn M. Wienk,

    1. Molecular Materials and Nanosystems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • Prof. René A. J. Janssen

    Corresponding author
    1. Molecular Materials and Nanosystems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
    • Molecular Materials and Nanosystems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven (The Netherlands)
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  • The work of K.H.H. was supported by the “Europees Fonds voor Regionale Ontwikkeling” (EFRO) in the Intereg IV-A project “Organext”. The research leading to these results has received funding from the Ministry of Education, Culture and Science (Gravity program 024.001.035) and is part of the research program of the Dutch Polymer Institute (DPI project 660) and the Solliance Organic Photovoltaics Programme.

Abstract

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A regular alternating terpolymer design strategy is used to create a semiconducting polymer with tailored energy levels and optical band gap. Combined with a modified synthetic procedure for the polymerization reaction, high-molecular-weight polymers of the terpolymer as well as the parent co-polymers were obtained with high efficiencies (up to 8.0 %) in organic solar cells when combined with [70]PCBM.

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