The Controlled Polymerization of Poly(cyclopentadithiophene)s and Their All-Conjugated Block Copolymers | Zendy

Pieter Willot | Zendy; Sanne Govaerts | Zendy; Guy Koeckelberghs | Zendy

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The Controlled Polymerization of Poly(cyclopentadithiophene)s and Their All-Conjugated Block Copolymers

Author(s) -

Pieter Willot,

Sanne Govaerts,

Guy Koeckelberghs

Publication year - 2013

Publication title -

macromolecules

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.994

H-Index - 313

eISSN - 1520-5835

pISSN - 0024-9297

DOI - 10.1021/ma401667d

Subject(s) - copolymer , conjugated system , polymerization , monomer , polymer chemistry , thiophene , materials science , chain transfer , living polymerization , block (permutation group theory) , polymer , chemistry , radical polymerization , organic chemistry , geometry , mathematics , composite material

In this manuscript, the Kumada catalyst transfer polymerization (KCTP) of cyclopenta[2,1-b;3,4-b′]dithiophene (CPDT), a monomer consisting of two fused thiophene entities, is investigated. It is shown that this polymerization follows a controlled chain-growth mechanism. Furthermore, the formation of block copolymers with poly(3-alkylthiophene)s is investigated, and it is shown that these block copolymers can be formed if 3-alkylthiophene is used as the first block and CPDT as the second. The resulting all-conjugated block copolymers consist of two blocks with substantially different electronic and physical properties and it is shown that the blocks influence each other, resulting in a unique material with different properties compared to a blend.

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