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Bielawski, Christopher W.
Synthetic Materials & Macromolecules
Research Interests
  • Synthetic chemistry, materials science, polymer chemistry, catalysis, carbon-based materials

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Controlled Synthesis of an Alternating Donor-Acceptor Conjugated Polymer via Kumada Catalyst-Transfer Polycondensation

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Title
Controlled Synthesis of an Alternating Donor-Acceptor Conjugated Polymer via Kumada Catalyst-Transfer Polycondensation
Author
Todd, Alexander D.Bielawski, Christopher W.
Issue Date
2015-11
Publisher
AMER CHEMICAL SOC
Citation
ACS MACRO LETTERS, v.4, no.11, pp.1254 - 1258
Abstract
Kumada catalyst-transfer polycondensation was used to synthesize poly(5,6-difluorobenzotriazole-alt-4-hexylthiophene) (PFBTzHT), an alternating donor-acceptor conjugated polymer, in a controlled manner. Through a series of kinetic studies, a linear relationship between the monomer conversion and the molecular weight of the resulting polymer was observed while maintaining narrow polydispersities (Ds ≤ 1.4). Moreover, the Mn displayed a linear relationship with the initial monomer-to-catalyst feed ratio, and polymers with Mns up to 25 kDa were successfully synthesized. All-conjugated block copolymers containing segments of PFBTzHT and poly(3-hexylthiophene) (P3HT) were also obtained in various compositions (30-70% P3HT) via sequential monomer addition in a single vessel. © 2015 American Chemical Society
URI
https://scholarworks.unist.ac.kr/handle/201301/17921
URL
http://pubs.acs.org/doi/10.1021/acsmacrolett.5b00505
DOI
10.1021/acsmacrolett.5b00505
ISSN
2161-1653
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