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Issue 3, 2016
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Highly red-shifted NIR emission from a novel anthracene conjugated polymer backbone containing Pt(II) porphyrins

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Abstract

We present the synthesis of a novel diphenylanthracene (DPA) based semiconducting polymer. The polymer is solubilised by alkoxy groups attached directly to a DPA monomer, meaning the choice of co-monomer is not limited to exclusively highly solubilising moieties. Interestingly, the polymer shows a red-shifted elecroluminescence maximum (510 nm) when compared to its photoluminescence maximum (450 nm) which we attribute to excimer formation. The novel polymer was utilised as a host for a covalently-linked platinum(II) complexed porphyrin dopant. Emission from these polymers was observed in the NIR and again showed almost a 100 nm red shift from photoluminescence to electroluminescence. This work demonstrates that utilising highly aggregating host materials is an effective tool for inducing red-shifted emission in OLEDs.

Graphical abstract: Highly red-shifted NIR emission from a novel anthracene conjugated polymer backbone containing Pt(ii) porphyrins

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Publication details

The article was received on 12 Sep 2015, accepted on 28 Nov 2015 and first published on 30 Nov 2015


Article type: Paper
DOI: 10.1039/C5PY01473E
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Citation: Polym. Chem., 2016,7, 722-730
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    Highly red-shifted NIR emission from a novel anthracene conjugated polymer backbone containing Pt(II) porphyrins

    D. M. E. Freeman, A. Minotto, W. Duffy, K. J. Fallon, I. McCulloch, F. Cacialli and H. Bronstein, Polym. Chem., 2016, 7, 722
    DOI: 10.1039/C5PY01473E

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