Conjugated alternating copolymers containing both donor and acceptor moieties in the main chain

Literature Information

Publication Date 2007-03-23
DOI 10.1039/B617931B
Impact Factor 6.222
Authors

Ming Zhang, Changduk Yang, Ashok K. Mishra, Wojciech Pisula, Gang Zhou, Bruno Schmaltz, Martin Baumgarten, Klaus Müllen


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Abstract

A straightforward synthesis toward two conjugated alternating copolymers consisting of 2,7-linked carbazole donor (2,7-Cz) and ladderized pentaphenylene with diketone bridge (LPPK) acceptor chromophores is reported: the copolymers differ by the repeat unit ratio between the 2,7-Cz and LPPK units within the backbone; energy and charge transfer properties and supramolecular organizations of donor–acceptor moieties in these copolymers have been studied via optical spectroscopy and two-dimensional wide-angle X-ray scattering (2D-WAXS); preliminary results such as the efficient energy and charge transfer and π-stacking character in the solid state suggest that the copolymers are potentially useful for photovoltaic devices.

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Chemical Communications

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