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Fundamental interface properties in OFETs: bonding, structure and function of molecular adsorbate layers on solid surfaces

Sergey Subach, Ruslan Temirov, Stefan Tautz

The functionality of organic field effect transistors resides in their interfaces, both organic metal (charge carrier injection) and organic insulator (charge transport). Highly ordered molecular adsorbate layers provide an excellent tool to study the relevant physical properties of these interfaces. Within the DFG priority program 1121 "Organic field effect transistors: structure and dynamics" (2001-2007) we have investigated fundamental interface properties of organic field effect transistors. The results are summarized and reviewed in phys. stat. sol. (a) 205, 511 (2008) (Feature Article and Review).