C. Uhrich, R. Schueppel, A. Petrich, M. Pfeiffer, K. Leo, E. Brier, P. Kilickiran and P. Baeuerle Organic Thin-Film Photovoltaic Cells Based on Oligothiophenes with Reduced Bandgap Advanced Functional Materials 17

A new terthiophene derivative DCV3T (see figure), end-capped with electron withdrawing dicyanovinylene groups, is used as acceptor material in organic thin film photovoltaic cells. Preparing blend-layers from this material and fullerene C60, an excitonic pin-pong effect can be observed, which is utilized in photovoltaic cells.
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