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We have first investigated the thin-film field-effect behavior of perylo1,12-b,c,dthiophene by vacuum evaporation technique, which exhibits a moderate mobility of 0.05 cm2 V-1 s-1, an on/off ratio of 105, and a low threshold voltage of −6.3 V at room temperature. Moreover, we have grown its single-crystalline micrometer wires and successfully applied them to transistors. A high mobility up to 0.8 cm2 V-1 s-1 has been achieved. The extraordinary solid-state packing arrangement with the likelihood of double-channel fashion induced by marked S···S interactions may contribute to the high performance.
Sun et al. (Tue,) studied this question.