Photovoltaic Properties of a Conjugated Polymer Blend of MDMO-PPV and PCNEPV
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Veenstra, Sjoerd C.; Verhees, W. J. H.; Kroon, Jan M.; Koetse, Marc M.; Sweelssen, Joergen; Bastiaansen, Jolanda J. A. M.; Schoo, Herman F. M.; Yang, Xiaoniu; Alexeev, Alexander; Loos, Joachim; Schubert, Ulrich S.; Wienk, Martijn M.
- Abstract:
- 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).
- Year:
- 2004
- Type of Publication:
- Article
- Journal:
- Chemical Materials
- Volume:
- 16
- Pages:
- 2503 - 2508