Biphenyl end-capped bithiazole co-oligomers for high performance organic thin film field effect transistors

Abstract

Two new regiospecific biphenyl end-capped bithiazole co-oligomers, BP2Tz(in) and BP2Tz(out), have been synthesized for application in thin film field effect transistors (TFTs). BP2Tz(in) with a 2,2′-bithiazole central unit exhibits a field effect hole mobility as high as 3.5 cm² V⁻¹ s⁻¹. Green light emission is demonstrated for highly balanced ambipoar TFTs based on both BP2Tz(in) and BP2Tz(out).