Ambipolar charge carrier transport in mixed organic layers of phthalocyanine and fullerene
作者： Andreas Opitz , Markus Bronner , Wolfgang Brütting
DOI: 10.1063/1.2436836
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摘要: Mixed layers of copper-phthalocyanine (p-conductive) and fullerene (n-conductive) are used for the fabrication organic field-effect transistors (OFET) inverters. Regarding electrical characteristics these donor-acceptor blends they show ambipolar charge carrier transport, whereas devices made from only one materials unipolar behavior. Such mixed films model systems transport with adjustable mobilities electrons holes. By variation mixing ratio it is possible to balance both charge-carrier types. In this paper we discuss mobility threshold voltage demonstrate inverters as a leadoff application. The gained results were analyzed by simulations using an analytical subsequently compared complementary
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