Photoinduced Hole and Electron Transfer from Poly(phenylene Vinylene) into Molecularly Doped Polymers

M. A. Abkowitz Xerox Corporation, Webster Research Center, Webster, N.Y., 14580; Center for Photoinduced Charge Transfer, University of Rochester, Rochester, N.Y., 14627

H. Antoniadis Center for Photoinduced Charge Transfer, University of Rochester, Rochester, N.Y., 14627

J. S. Facci Xerox Corporation, Webster Research Center, Webster, N.Y., 14580; Center for Photoinduced Charge Transfer, University of Rochester, Rochester, N.Y., 14627

S. A. Jenekhe Center for Photoinduced Charge Transfer, University of Rochester, Rochester, N.Y., 14627

B. R. Hsieh Xerox Corporation, Webster Research Center, Webster, N.Y., 14580; Center for Photoinduced Charge Transfer, University of Rochester, Rochester, N.Y., 14627

M. Stolka Xerox Corporation, Webster Research Center, Webster, N.Y., 14580; Center for Photoinduced Charge Transfer, University of Rochester, Rochester, N.Y., 14627

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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Photoinduced Hole and Electron Transfer from Poly(phenylene Vinylene) into Molecularly Doped Polymers

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Photoinduced Hole and Electron Transfer from Poly(phenylene Vinylene) into Molecularly Doped Polymers

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