Nature of Charge Carriers in Disordered Organic Molecular Semiconductors

Details Nature of Charge Carriers in Disordered Organic Molecular Semiconductors Nature of Charge Carriers in Disordered Organic Molecular Semiconductors

2003-05-13

arxiv.org/abs/cond-mat/0305275v1

Physics

Condensed Matter

Materials Science

11 pages

Scientific paper

Understanding the charge carrier transport in the disordered organic molecular semiconductors is a fascinating and still unresolved problem in modern condensed-matter physics, yet has an extremely important bearing on their application in ``plastic'' based field effect transistor, light emitting diodes and lasers. The most contentious issue in this subject is the nature of the charge carriers i.e. whether they are bare electrons or dressed electrons, known as polarons. Here we show for the first time, by means of simple experiments that polaron moving in static disorder is responsible for charge carrier transport in disordered molecular semiconductors.

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