Charge-injection-controlled organic transistor

A promising type of organic transistor based on the charge injection process at an organic/metal interface was proposed and demonstrated. The device was composed of an organic deposited film sandwiched between two metal electrodes, with a third stripe-shaped electrode embedded in the organic film. The output current, corresponding to the collector current, was modulated by an applied voltage on the third electrode, corresponding to the base electrode, and the current amplification factor, h(FE), exceeded 70. The operation of the device as a transistor was attributed to electron injection from the accumulation of holes supplied by the third electrode. (C) 2003 American Institute of Physics.