Hole transport and bimolecular recombination of charge carriers in polycarbonate molecularly doped with aromatic hydrazone |
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Authors: | A. P. Tyutnev A. V. Nikerov V. M. Chetverikov V. S. Saenko |
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Affiliation: | 1. Higher School of Economics (National Research University), Myasnitskaya ul. 20, Moscow, 101000, Russia
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Abstract: | General questions about hole transport and bimolecular recombination of charge carriers in molecularly doped polycarbonate with a low dopant concentration (10 wt %) are considered. The experiment is performed via a radiation-induced time-of-flight technique with bulk generation of charge carriers. Transient-current curves are calculated numerically via a multiple-trapping model. There is good agreement between the calculated and experimental results on the transient-current waveform. Nonequilibrium hole transport is observed in the studied molecularly doped polymer, and the bimolecular recombination is close to the Langevin recombination as described by the multiple-trapping model. |
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