Formation of a plateau on time-of-flight curves of molecularly doped polymers |
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Authors: | R Sh Ikhsanov A P Tyutnev V S Saenko E D Pozhidaev |
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Institution: | 1. Moscow State Institute of Electronics and Mathematics, Trekhsvyatitel’skii per. 3, Moscow, 109028, Russia
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Abstract: | A program for numerical computation of the curves of the transient current in samples of molecularly doped polymers has been developed with allowance for the presence of a defective surface layer in them. Time-of-flight curves are calculated with the multiple-trapping model with a Gaussian energy distribution of traps. The model parameters are determined from the results of independent measurements. Numerical computations are in qualitative agreement with experimental data for a typical molecularly doped polymer. The features of the formation of a flat plateau in samples of different thickness are discussed in terms of the proposed model. |
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