Advanced Materials

A High-Performing Solution-Processed Small Molecule:Perylene Diimide Bulk Heterojunction Solar Cell

Authors

  • Alexander Sharenko,

    1. Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA
    2. Materials Department, University of California, Santa Barbara, CA 93106, USA
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  • Christopher M. Proctor,

    1. Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA
    2. Materials Department, University of California, Santa Barbara, CA 93106, USA
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  • Thomas S. van der Poll,

    1. Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA
    2. Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA
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  • Zachary B. Henson,

    1. Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA
    2. Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA
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  • Thuc-Quyen Nguyen,

    Corresponding author
    1. Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA
    2. Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA
    • Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA.
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  • Guillermo C. Bazan

    Corresponding author
    1. Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA
    2. Materials Department, University of California, Santa Barbara, CA 93106, USA
    3. Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA
    • Center for Polymers and Organic Solids, University of California, Santa Barbara, CA 93106, USA.
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Abstract

By combining the molecular donor p-DTS(FBTTh2)2 with a readily produced perylene diimide acceptor we are able to achieve a power conversion efficiency of 3.0%, making this one of the most efficient non-fullerene organic solar cells to date. The reduced power conversion efficiency of the present system compared to the use of phenyl-C71-butyric acid methyl ester as an electron acceptor is shown to primarily be related to a significant reduction in the internal quantum efficiency. These results indicate the potential of small-molecule:non-fullerene bulk-heterojunction organic photovoltaics.

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