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Fishchuk I., Kadasnchuk A., Novikov S. V. et al. Molecular Crystals and Liquid Crystals. 2014. Vol. 589. P. 18-28.

We report on the influence of the lateral electric field on the charge mobility in organic field-effect transistors (OFET) based on C 60 films with multigrain morphology. The experimental data were quantitatively described using a recent analytical model by accounting for the strong local electric fields in a multigrain transistor channel and for the energy correlation effects. To rationalize the presence of a correlated disorder in a non-polar C 60 material, we show that randomly oriented permanent dipoles in organic gate dielectric layers can generate a significant dipolar disorder in an adjacent nonpolar semiconductor layer.

Added: Mar 4, 2015