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Molecular-Shape-Controlled Photovoltaic Performance Probed via Soluble π-Conjugated Arylacetylenic Semiconductors

Authors

  • Mirko Seri,

    1. Department of Chemistry, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy
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  • Assunta Marrocchi,

    Corresponding author
    1. Department of Chemistry, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy
    • Department of Chemistry, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy
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  • Diego Bagnis,

    1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    2. Argonne-Northwestern Solar Energy Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    3. Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    Current affiliation:
    1. Konarka Technologies, Inc., Altenbergerstraβe 69, A-4040 Linz, Austria
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  • Rocio Ponce,

    1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    2. Argonne-Northwestern Solar Energy Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    3. Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
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  • Aldo Taticchi,

    1. Department of Chemistry, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy
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  • Tobin J. Marks,

    Corresponding author
    1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    2. Argonne-Northwestern Solar Energy Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    3. Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    • Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113.
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  • Antonio Facchetti

    Corresponding author
    1. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    2. Argonne-Northwestern Solar Energy Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    3. Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113
    • Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113.
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Abstract

The synthesis and characterization of a new series of anthracene-based derivatives and their use as donors in bulk-heterojunction solar cells is reported. It is found that when using well-defined building blocks in constructing the chromophore, the donor molecular shape dramatically affects organic photovoltaic (OPV) performance in a previously unrecognized way.

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