Ma. Abkowitz et al., PHOTOINDUCED HOLE AND ELECTRON-TRANSFER FROM POLY(PHENYLENE VINYLENE)INTO MOLECULARLY DOPED POLYMERS, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 252, 1994, pp. 1-10
Photoinduced hole transfer between photoexcited x-conjugated polymer,
poly(p-phenylene vinylene) (PPV) and an adjacent trap-free hole-transp
ort 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 elec
trons, to the respective transport layers is fast and coherent, withou
t delay. The collection efficiency at an electric field of 4x10(5)Vcm(
-1) is 25% for photoinduced holes and near 0.2% for photoinduced elect
rons.