1439937-07-1

1,3-Bis(5-bromo-4-(2-ethylhexyl)thiophen-2-yl)-5,7-bis(2-ethylhexyl)benzo[1,2-c:4,5-c']dithiophene-4,8-dione, or?Benzodithiophene-2THBr-4EH, is a monomer for the synthesis of ow band-gap polymer semiconductors such as PBDD4T and PBDD4T-2F. It has applications in OPV (fullerene or fullerene-free), tandem organic solar cells, and OFETs.