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Charge transport in organic semiconductors

The development of microelectronics cannot be envisaged without a comprehensive modeling of the devices. The modeling of OFETs is currently hampered by several features. First, charge transport in organic semiconductors is still not completely understood. The situation is clear at both ends of the scale. In high mobility materials (//>IOcnr V-1 s l), transport occurs within delocalized levels when temperature... [Pg.263]

Coropceanu V, Comil J, da Silva DA, Olivier Y, Silhey R, Bredas JL (2007) Charge transport in organic semiconductors. Chem Rev 107 926... [Pg.57]

Figure 1 Schematic presentation of the two different mechanisms governing charge transport in organic semiconductors. The so-called hopping transport assumes a thermally activated hopping between charge-traps and is always present, the resulting mobilities are very small. For certain materials a mechanism yielding much higher mobilities has been observed, which is commonly referred to as band-like , thus implying a similarity to band-transport observed in conventional semiconductors. Figure 1 Schematic presentation of the two different mechanisms governing charge transport in organic semiconductors. The so-called hopping transport assumes a thermally activated hopping between charge-traps and is always present, the resulting mobilities are very small. For certain materials a mechanism yielding much higher mobilities has been observed, which is commonly referred to as band-like , thus implying a similarity to band-transport observed in conventional semiconductors.
Theoretical Aspects of Charge Transport in Organic Semiconductors ... [Pg.1]

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