Photovoltaic properties of a conjugated polymer blend of MDMO-PPV and PCNEPV

S. C. Veenstra, W. J.H. Verhees, J. M. Kroon, M. M. Koetse, J. Sweelssen, J. J.A.M. Bastiaansen, H. F.M. Schoo, X. Yang, A. Alexeev, J. Loos, U. S. Schubert, M. M. Wienk

    Research output: Contribution to journalArticlepeer-review

    122 Citations (Scopus)


    Photovoltaic properties of solution-processed semiconducting polymer blends have been studied. It is demonstrated that photoinduced charge transfer occurs in binary mixtures of poly[2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) and poly-[oxa-1,4-phenylene-(1-cyano-1,2-vinylene)-(2-methoxy-5-(3, 7-dimethyloctyloxy)-1,4-phenylene)-1,2-(2-cyanovinylene)-1,4-phenylene] (PCNEPV). Further, it is shown that the photovoltaic performance is improved by a thermal treatment which alters the morphology of the photoactive layer. The temperature necessary to achieve the enhanced performance is related to transition temperatures of the pure polymers. Device optimization yields solar cells with a power conversion efficiency of 0.75% under standard test conditions (AM 1.5, 1000 W/m2).

    Original languageEnglish
    Pages (from-to)2503-2508
    Number of pages6
    JournalChemistry of Materials
    Issue number12
    Publication statusPublished - Jun 15 2004

    ASJC Scopus subject areas

    • General Chemistry
    • General Chemical Engineering
    • Materials Chemistry


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