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Polarized Luminescence from Single Polymer Nanowires and Aligned Nanowire Arrays

Published online by Cambridge University Press:  01 February 2011

Deirdre O'Carroll ,
Alan O'Riordan  and
Gareth Redmond
Deirdre O'Carroll
Affiliation:
Tyndall National Institute, Nanotechnology Group, Lee Maltings,, Prospect Row, Cork, -, Ireland
Alan O'Riordan
Affiliation:
alan.oriordan@tyndall.ie, Tyndall National Institute, Nanotechnology Group, Lee Maltings,, Prospect Row, Cork, ,, Ireland
Gareth Redmond
Affiliation:
gareth.redmond@tyndall.ie, Tyndall National Institute, Nanotechnology Group, Lee Maltings,, Prospect Row, Cork, ,, Ireland
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Abstract

The synthesis of poly(9,9-dioctylfluorene) conjugated polymer nanowires using the method of solution assisted wetting of nanoporous alumina membrane templates is reported. Polymer nanowires (approx. 109 per template) with a diameter of approx. 200 nm are obtained. Photoluminescence from isolated nanowires fluidically-aligned at glass substrates is found to be dominated by emission from the planar beta-phase of the polymer. The wires also exhibit polarized light emission suggestive of axial alignment of beta-phase segments within the nanowires. Dense arrays of aligned nanowires exhibiting anisotropic emission are also demonstrated.

Keywords

nanostructureluminescencepolymer

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References

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