Issue 13, 2009
From the journal:

Journal of Materials Chemistry

Synthesis and characterization of monomeric and polymeric Pd(II) and Pt(II) complexes of 3,4-ethylenedioxythiophene-functionalized phosphine ligands†

Kuhamoorthy Velauthamurty,ab   Simon J. Higgins,*a   R. M. Gamini Rajapakse,b   John Bacsa,a   Harm van Zalinge,a   Richard J. Nicholsa  and  Wolfgang Haissa  

* Corresponding authors

a Department of Chemistry, University of Liverpool, Crown Street, Liverpool, U.K.
E-mail: shiggins@liv.ac.uk
Fax: +44-(0)151-794-3588
Tel: +44-(0)151-794-3512

b Department of Chemistry, University of Peradeniya, Peradeniya, Sri Lanka

Abstract

Phosphine ligands bearing 3,4-ethylenedioxythiophene (EDOT) groups, in which a Ph2P group is either connected directly to the thiophene ring [Ph2P(5–EDOT), 1] or to the EDOT ethylene bridge via a methylene (4) or longer (7) ‘spacer’, have been prepared, together with their complexes cis-[MCl2(L)2] (M = Pd and Pt). The electrochemical co-polymerization of the complexes with EDOT was investigated, with a view to making conducting polymers incorporating covalently-bound metal–phosphine complexes. Although polymer-coated electrodes were obtained in all experiments, XPS measurements established that polymers made in the presence of cis-[MCl2(1)2] consisted only of poly(3,4-ethylenedioxythiophene) (PEDOT), whereas polymers made in the presence of cis-[MCl2(L)2] (L = 4, 7) were genuine co-polymers containing Pd(II) or Pt(II) complexes.

Graphical abstract: Synthesis and characterization of monomeric and polymeric Pd(II) and Pt(II) complexes of 3,4-ethylenedioxythiophene-functionalized phosphine ligands

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Article information

DOI
https://doi.org/10.1039/B817210B
Article type
Paper
Submitted
02 Oct 2008
Accepted
09 Dec 2008
First published
04 Feb 2009

J. Mater. Chem., 2009,19, 1850-1858

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Synthesis and characterization of monomeric and polymeric Pd(II) and Pt(II) complexes of 3,4-ethylenedioxythiophene-functionalized phosphine ligands

K. Velauthamurty, S. J. Higgins, R. M. G. Rajapakse, J. Bacsa, H. van Zalinge, R. J. Nichols and W. Haiss, J. Mater. Chem., 2009, 19, 1850 DOI: 10.1039/B817210B

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