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Two-Dimensional Charge Transport in Disordered Organic Semiconductors

2012; American Physical Society; Volume: 109; Issue: 5 Linguagem: Inglês

10.1103/physrevlett.109.056601

1092-0145

J. J. Brondijk, W. S. Christian Roelofs, Simon G. J. Mathijssen, Arian Shehu, Tobias Cramer, Fabio Biscarini, Paul W. M. Blom, D.M. de Leeuw,

Quantum and electron transport phenomena

We analyze the effect of carrier confinement on the charge-transport properties of organic field-effect transistors. Confinement is achieved experimentally by the use of semiconductors of which the active layer is only one molecule thick. The two-dimensional confinement of charge carriers provides access to a previously unexplored charge-transport regime and is reflected by a reduced temperature dependence of the transfer curves of organic monolayer transistors.