“…In recent years, flexible electronics, which is mainly the application of solution processable organic semiconductors in electronic device fabrication, has attracted considerable research attention. 1â8 Significant progress has been achieved in improving the charge carrier mobilities and air stabilities of organic semiconductors. Various small-molecular solution processed organic semiconductors, such as 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS pentacene), 9â11 5,6,11,12-tetraphenyltetracene (rubrene), 12â14 2,7-dioctyl[1]benzothieno[3,2- b ][1]benzothiophene (C 8 -BTBT), 15â17 and 2,7-didodecyl[1]benzothieno [3,2- b ][1]benzothiophene (C 12 -BTBT) 18â21 based thin film transistors have been reported with mobilities close to or even higher than 10 cm 2 V â1 s â1 by various research groups.…”