A High Purity Approach to Poly(3-hexylthiophene) Diblock Copolymers.

graphical abstract
Lee, Y.; Fukukawa, K.I.; Bang, J.; Hawker, C.J.; Kim, J.K.;
J. Polym. Sci., Polym. Chem.;
46, 8200-8205.

Well-defined poly(3-hexylthiophene) P3HT macroinitiators for atom transfer radical polymerization have been prepared by introducing a phenyl group at the -bromo-chain end. Capping of the -chain end with a phenyl group allows the preparation of high purity P3HT block copolymers.