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Novel dithiolene complexes incorporating conjugated electroactive ligands

Skabara, P.J., Pozo-Gonzalo, C., Miazza, N.L., Laguna, M., Cerrada, E., Luquin, A., Gonzalez, B., Coles, S.J., Hursthouse, M.B., Harrington, R.W. and Clegg, W. (2008) Novel dithiolene complexes incorporating conjugated electroactive ligands Dalton Transactions, (23), pp. 3070-3079. (doi:10.1039/b801187g).

Record type: Article

Abstract

A series of new metal (M) dithiolene complexes bearing terthiophene (3, 12, M = Ni; 4, M = Pd; 5, 6, M = Au) and 2,5-bis(para-methoxyphenyl)thiophene units (14, M = Ni; 15, 16, M = Au; 17, M = Pd) have been synthesised in 38–99% yield. The electrochemical properties of the materials have been characterised by cyclic voltammetry and UV-vis spectroelectrochemistry. The nickel complexes possess low oxidation potentials (?0.12 to ?0.25 V vs Ag/AgCl) due to the electron-rich dithiolene centres and all complexes display ligand-based redox activity. The terthiophene derivatives have been polymerised by electrochemical oxidation to give stable films with, in the case of poly(3), broad absorption characteristics. Charge transfer materials have been isolated from 14 and 16 with conductivities in the range 9 × 10?6 to 7 × 10?8 S cm?1.

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More information

Published date: 7 May 2008
Keywords: polymers, metallopolymers, precursors, metal-complexes, units, crystal-structures, sexithiophenes, derivatives

Identifiers

Local EPrints ID: 54504
URI: http://eprints.soton.ac.uk/id/eprint/54504
ISSN: 1477-9226
PURE UUID: 655e4e54-b600-470b-953e-3425a6079cc1
ORCID for S.J. Coles: ORCID iD orcid.org/0000-0001-8414-9272

Catalogue record

Date deposited: 19 Aug 2008
Last modified: 17 Jul 2017 14:35

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Contributors

Author: P.J. Skabara
Author: C. Pozo-Gonzalo
Author: N.L. Miazza
Author: M. Laguna
Author: E. Cerrada
Author: A. Luquin
Author: B. Gonzalez
Author: S.J. Coles ORCID iD
Author: M.B. Hursthouse
Author: R.W. Harrington
Author: W. Clegg

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