Control of polymer–electrode interactions: the effect of leaving group on the optical properties and device characteristics of EHPPV

Shih-Chun Lo; Lars-Olof Pålsson; Mary Kilitziraki; Paul L. Burn; Ifor D. W. Samuel

doi:10.1039/B106115C

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Shih-Chun Lo,^a Lars-Olof Pålsson,^b Mary Kilitziraki,^b Paul L. Burn*^a and Ifor D. W. Samuel^c

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* Corresponding authors

^a The Dyson Perrins Laboratory, Oxford University, South Parks Road, Oxford, UK

^b Department of Physics, Durham University, South Road, Durham, UK

^c School of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, UK

Abstract

Poly[2-(2′-ethylhexyloxy)-1,4-phenylenevinylene] (EHPPV) was prepared via chloro, S-methyl xanthate and O-ethyl xanthate precursor polymers. The choice of leaving group used was found to control the optical and device properties of the EHPPV with the variations arising from the differing chemical interactions of the leaving groups with indium tin oxide (ITO). The leaving group–ITO interactions were found to dominate the properties of EHPPV when formed from the commonly used chloro precursor polymer and this problem could be solved by use of xanthate leaving groups which were found not to react with the contact.

This article is part of the themed collection: Metal-organic conductors (enriched issue)

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Article information

DOI: https://doi.org/10.1039/B106115C
Article type: Communication
Submitted: 01 Mar 2001
Accepted: 11 Jul 2001
First published: 27 Jul 2001

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J. Mater. Chem., 2001,11, 2228-2231

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