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Issue 2, 2016
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Dicyclopenta[cd,jk]pyrene based acceptors in conjugated polymers

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A series of reduced band gap donor–acceptor copolymers that contain electron accepting 1,2,6,7-tetra(4-dodecylphenyl)dicyclopenta[cd,jk]pyrene were prepared. The hydrocarbon acceptor relies on its cyclopenta-fused polycyclic aromatic hydrocarbon (CP-PAH) character to access a relatively reduced lowest unoccupied molecular orbital. The donor unit was varied between thiophene, bithiophene, and 1,4-diethynyl-2,5-bis(octyloxy)-benzene producing polymers with band gaps between 1.69–1.74 eV. The synthetic methodology as well as the optoelectronic properties of the donor–acceptor copolymers, including thin-film absorption and cyclic voltammetry, are presented.

Graphical abstract: Dicyclopenta[cd,jk]pyrene based acceptors in conjugated polymers

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The article was received on 01 Oct 2015, accepted on 31 Oct 2015 and first published on 02 Nov 2015

Article type: Communication
DOI: 10.1039/C5PY01582K
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Citation: Polym. Chem., 2016,7, 292-296

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    Dicyclopenta[cd,jk]pyrene based acceptors in conjugated polymers

    S. R. Bheemireddy and K. N. Plunkett, Polym. Chem., 2016, 7, 292
    DOI: 10.1039/C5PY01582K

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