Poly(3-hexylthiophene) based block copolymers prepared by "click" chemistry

Mathieu Urien, Harikrishna Erothu, Eric Cloutet, Roger C. Hiorns, Laurence Vignau, Henri Cramail

Research output: Contribution to journalArticlepeer-review


p-Conjugated block copolymers have been prepared from terminal azide functionalized polystyrenes (PS) and alkyne functionalized poly(3- hexylthiophene)s (P3HT) via a copper(I) catalyzed Huisgen [3 + 2] dipolar cycloaddition reaction. The functionalized a-azido-PS homopolymer was prepared by atom transfer radical polymerization from a specifically designed initiator bearing the azide function, whereas ?-ethynyl-P3HT and a,?-pentynyl-P3HT were synthesized by a modified Grignard metathesis polymerization using alkynyl Grignard derivatives. The electronic environment of the alkynyl end groups was shown to be decisive in determining triazole ring formation.
Original languageEnglish
Pages (from-to)7033-7040
Number of pages8
Issue number19
Publication statusPublished - 4 Sept 2008


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