Japanese scientists have worked their way through to develop organic TFTs. Japan’s National Institute of Advanced Industrial Science and Technology (AIST) takes the credit for introducing these organic TFTs. It might also be the first time to produce organic TFTs by printing. The AIST collaborated with Japan Chemical Innovation Institute for this endeavor. AIST and the JCII employed the microcontact printing for all the processes required to fabricate an organic TFT. The method uses a mold along with a micro pattern formed on the surface. Microcontact printing is a process in which ink is applied to a pattern formed on a silicone rubber mold it is transferred to the substrate surface like you would press a rubber stamp. The TFT was formed using steps in the following order: the gate electrode, the gate insulating film, the organic semiconductor film, the source and drain electrodes and the protective film. More about this technology and the organic TFT will be revealed at The 11th International Conference on Electrical and Related Properties of Organic Solids in July in Poland.
Via: Techon
