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High quality single crystals of a variety of molecular organic semiconductors have been investigated in the temperature range from 1.7 to 500K in order to study the charge transport and to reveal the intrinsic limits for electronic applications. Room temperature (RT) mobilities are typically in the range of 1cm 2 /Vs increasing with decreasing temperatures. At lowest temperatures, however,...
Performance limits for pentacene based field-effect transistors are investigated using single- and polycrystalline devices. Whereas the charge transport in single crystalline devices is band-like with mobilities up to 10 5 cm 2 /Vs at low temperatures, temperature-independent or thermally activated charge transport can be observed in polycrystalline thin film transistors depending...
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