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Donor Acceptor Copolymers from Cyclopentannulation Polymerizations with Dicyclopenta[cd,jk]pyrene and Dicyclopenta[cd,lm]perylene Acceptors

preprint
submitted on 20.05.2020 and posted on 21.05.2020 by Ain Uddin, Kyle Plunkett
A series of donor-acceptor copolymers with dicyclopenta[cd,jk]pyrene and dicyclopenta[cd,lm]perylene acceptor units was prepared via palladium catalyzed cyclopenta-annulation reactions. The acceptor units were paired with diethynyl containing donor groups based on benzo[1,2-b:4,5-b']dithiophene, thieno[3,2-b]thiophene, and 4-octyl-4H-dithieno[3,2-b:2',3'-d]pyrrole to create six polymer variants. The cyclopentannulation polymerization resulted in copolymers with molecular weights (Mn) of 6-14 kDa and broad light absorption in the visible region with band gaps of 1.38-1.85 eV. The synthetic methodology, as well as optoelectronic properties, including thin-film absorption and cyclic voltammetry, of the donor-acceptor copolymers are presented.


Funding

CAREER: Electron Acceptor Materials Based on Cyclopenta-fused Polycyclic Aromatic Hydrocarbons

Directorate for Mathematical & Physical Sciences

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History

Email Address of Submitting Author

kplunkett@chem.siu.edu

Institution

Southern Illinois University

Country

United State of America

ORCID For Submitting Author

0000-0002-5691-7876

Declaration of Conflict of Interest

no conflict of interest

Version Notes

Pre-submission draft

Exports