Device operation of organic semiconductor copper phthalocyanine thin film transistor

Organic thin-film transistor (OTFT) is a kind of organic electronic device which are developed on the basis of traditional inorganic field-effect transistors. It has attracted more and more attention because of its advantages of smaller volume, less weight, lower power consumption suitable for flexible substrates, low cost and can be able to mass-produce. Fabrication organic static induction transistors (OSIT) using copper phthalocyanine (CuPc) dye with standard vacuum evaporated method. The OSIT have five layered structure of Au(Source)/CuPc/Al(Gate)/CuPc/Au(Darin). Under the conditions of bias voltage with VDS= 2V, IDS / IGS=1000. As the results shows that compared with CuPc MOSTFT, the OSIT got lower driver voltage and higher current density.