Air-stable n-channel copper hexachlorophthalocyanine for field-effect transistors

The authors report air-stable n-channel transistor performance of copper hexachlorophthalocyanine (Cl16CuPc) organic semiconductor. The charge carrier mobility is about 0.01 cm(2)/V s for thin films deposited at an elevated substrate temperature. Effects of substrate temperature, substrate surface chemical treatment, thin film morphology, and crystallinity on device performance are investigated. No significant decrease in mobility and on/off ratio was observed for devices stored in ambient environment. (c) 2006 American Institute of Physics.