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Disorder-tuned charge transport in organic semiconductors
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2013-03-01
2014-11-28

Abstract

We propose that the polaron transport in organic semiconductors is remarkably tuned by the fluctuation of polarization energy. The tuning effect of energetic fluctuation not only causes a continuous transition from non-Arrhenius to Arrhenius temperature activated charge transport with increasing moderate disorder strengths but also results in a band-like conduction in the low disorder regime which benefits from the enhanced mobilities in shallow trap states. As a result, a unified description of polaron transport is obtained for a set of typical organic semiconductors.

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Scitation: Disorder-tuned charge transport in organic semiconductors
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/8/10.1063/1.4793399
10.1063/1.4793399
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