Synthesis of novel conjugated polymers based on benzo[1,2- d :4,5- d ′]-bis([1,2,3]triazole) for applications in organic field-effect transistors

New conjugated polymers based on 4,8-bis(5-bromothiophen-2-yl)-2,6-bis(2-octyldodecyl)-2 H -benzo[1,2- d :4,5- d ′]- bis([1,2,3]triazole)-6-ium-5-ide ( BTBBTa ) displayed the highest hole mobility of 0.21 cm 2 V −1 s −1 .