BPTs: thiophene-flanked benzodipyrrolidone conjugated polymers for ambipolar organic transistors - Rumer, JW; Levick, M; Dai, S-Y; Rossbauer, S; Huang, Z; Biniek, L; Anthopoulos, TD; Durrant, JR; Procter, DJ; McCulloch, I (CHEMICAL COMMUNICATIONS, 2013)