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Issue 40, 2011
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Multi-colour emission from dye doped polymeric nanotubes by host–guest energy transfer†

Karen Dawson,a   Pierre Lovera,a   Daniela Iacopino,*a   Alan O'Riordana  and  Gareth Redmondb  
Author affiliations

* Corresponding authors

a Tyndall National Institute, University College Cork, Dyke Parade, Cork, Ireland
E-mail: daniela.iacopino@tyndall.ie
Fax: +00353 214904058
Tel: +00353 214904182

b University College Dublin, School of Physics, Belfield, Dublin 4, Ireland
E-mail: gareth.redmond@ucd.ie

Abstract

Emission chromaticity tuning in polymeric nanotubes was achieved by transfer of excitation energy from a polymer host matrix poly(N-vinylcarbazole) (PVK) to incorporated luminescent chromophore guests (Coumarin 6 and Nile red). Nanotubes were synthesized in densely packed arrays by solution assisted template wetting. Un-doped PVK tubes displayed blue luminescence while Coumarin 6 and Nile red doped tubes exhibited characteristic green and red luminescence with minimal PVK emission, confirming effective host–guest energy transfer. The emission spectral data of single nanotubes, and indicated that, by varying the type and relative concentrations of the dopant dyes, nanotube emission could be tuned from the blue, through green and yellow, to the red and, ultimately, to white, while maintaining excellent color purity.

Graphical abstract: Multi-colour emission from dye doped polymeric nanotubes by host–guest energy transfer

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Article information

https://doi.org/10.1039/C1JM12647D
Submitted
09 Jun 2011
Accepted
24 Aug 2011
First published
12 Sep 2011
J. Mater. Chem., 2011,21, 15995-16000
Article type
Paper
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Multi-colour emission from dye doped polymeric nanotubes by host–guest energy transfer

K. Dawson, P. Lovera, D. Iacopino, A. O'Riordan and G. Redmond, J. Mater. Chem., 2011, 21, 15995
DOI: 10.1039/C1JM12647D

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