Charge-Dipole Model for the Universal Field Dependence of Mobilities in Molecularly Doped Polymers
作者： D. H. Dunlap , P. E. Parris , V. M. Kenkre
DOI: 10.1103/PHYSREVLETT.77.542
关键词:
摘要: Using the general result that mobility $\ensuremath{\mu}$ of charge carriers driven in a spatially correlated random potential by an electric field $E$ can be expressed terms Laplace transform particular correlation function related to potential, we demonstrate exponential dependence on $\sqrt{E}$ universally observed molecularly doped polymers arises naturally from interaction with randomly distributed permanent dipoles.
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