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  • Title: Conjugated alternating copolymers containing both donor and acceptor moieties in the main chain.
    Author: Zhang M, Yang C, Mishra AK, Pisula W, Zhou G, Schmaltz B, Baumgarten M, Müllen K.
    Journal: Chem Commun (Camb); 2007 May 07; (17):1704-6. PubMed ID: 17457414.
    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 pi-stacking character in the solid state suggest that the copolymers are potentially useful for photovoltaic devices.
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