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Synthesis and characterization of poly(3‐hexylthiophene)–poly(3‐hexyloxythiophene) random copolymers with tunable band gap via Grignard metathesis polymerization
Author(s) -
Yang YiLung,
Lee YiHuan,
Lee YuPing,
Chiang ChiJu,
Shen Ching,
Wu ChunChing,
Ohta Yoshihiro,
Yokozawa Tsutomu,
Dai ChiAn
Publication year - 2014
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.4744
Subject(s) - comonomer , copolymer , monomer , materials science , polymer chemistry , polymerization , polythiophene , crystallinity , metathesis , side chain , reactivity (psychology) , polymer , conductive polymer , composite material , medicine , alternative medicine , pathology
A series of 3‐substituted polythiophene copolymers having different side chain arrangements of hexyl and hexyloxyl groups has been synthesized via the Grignard metathesis ( GRIM ) method. Despite differences in monomer reactivity ratios for the nickel‐catalyzed transfer chain polymerization, random sequences of hexyl‐ and hexyloxy‐substituted polythiophenes with different monomer compositions and adjustable band‐gap energies can be synthesized according to their respective comonomer feed ratio. This study shows potential for synthesizing random copolymers with different monomer reactivities via the GRIM method for further optoelectronic application.