Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 24, Pages 4148-4156Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b901853k
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Funding
- EPSRC
- Carbon Based Electronics Programme
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Polymers containing 9,10-phenanthraquinone moieties as part of an extended pi-electron system have been prepared by Suzuki couplings between 2,7- or 3,6-dibromophenanthraquinone and 9,9-dioctylfluorene- 2,7-diboronic acid bispinacol ester. Closely related model compounds were prepared similarly. All the products were characterised by FT-IR, H-1 NMR and UV-vis/fluorescence spectroscopy and, where relevant, mass spectrometry. Cyclic voltammetry measurements indicate that these materials display electron affinities of up to 4.0 eV. This value is one of the highest reported for conjugated polymers.
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