Abstract
Abstract Photoinduced hole transfer between photoexcited π-conjugated polymer, poly(p-phenylene vinylene) (PPV) and an adjacent trap-free hole-transport molecularly doped polymer containing TPD in a polycarbonate binder in an electric field, is analyzed. Also analyzed and described, under similar electric field conditions, is photoinduced electron transfer between PPV and a trap-free electron transport polymer containing BCFM and a polycarbonate binder. Transfer of carriers, both holes and electrons, to the respective transport layers is fast and coherent, without delay. The collection efficiency at an electric field of 4 × 105Vcm−1 is 25% for photoinduced holes and near 0.2% for photoinduced electrons.
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