機能性有機半導体分子の配向制御とそのTFT特性への影響に関する研究

抄録

The control of molecular alignment of an organic semiconductor is expected to improve the device performance of organic TFTs. We have used a gate insulating films with a molecular alignment capability to improve the device performance, in which several kinds of photo-sensitive gate insulating films having different molecular alignment capabilities are studied. Two methods of spin-coating and vacuum-evaporation methods are used to deposit an organic semiconductor film on the gate insulating film. From X-ray measurements, we prove that increasing molecular alignment capability is most important for getting a well-oriented organic film in a spin-coating method, but it is of secondary importance for a vacuum evaporated film.