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|Title: ||Cyclic voltammetry of benzo-15-crown-5 ether-vinyl-bipyridyl ligands, their ruthenium(II) complexes and bismethoxyphenyl-vinyl–bipyridyl ruthenium(II) complexes. Electrochemical polymerization studies and supporting electrolyte effects|
|Authors: ||Beer, Paul D.|
Mortimer, Roger J.
|Issue Date: ||1993|
|Publisher: ||© The Royal Society of Chemistry|
|Citation: ||BEER, P.D. ... et al, 1993. Cyclic voltammetry of benzo-15-crown-5 ether-vinyl-bipyridyl ligands, their ruthenium(II) complexes and bismethoxyphenyl-vinyl–bipyridyl ruthenium(II) complexes. Electrochemical polymerization studies and supporting electrolyte effects. Journal of the Chemical Society, Faraday Transactions, 89 (2), pp. 333 - 338|
|Abstract: ||The cyclic voltammetry of benzo-15-crown-5 ether-vinyl-bipyridyl ligands, their ruthenium(II) complexes and the ‘model’ bismethoxyphenyl-vinyl-bipyridyl ligand ruthenium(II) complexes has been investigated in acetonitrile. The benzo-15-crown-5 ether units of the solution complexes are sensitive to supporting electrolyte, being more difficult to electro-oxidize on binding of sodium or magnesium cations. The tris(ligand) ruthenium(II) complexes can be reductively electropolymerized to form smooth, adherent electroactive orange films. For these electropolymerized films, the benzo-15-crown-5 ether irreversible electro-oxidation is electrocatalysed by RuIII sites and is only observed on the first cyclic voltammogram. RuIII/II redox potentials are insensitive to changes in the supporting electrolyte, apparent differences being due to variable liquid-junction potentials at the interface between the reference electrode and the supporting electrolyte solutions. Electropolymerized bismethoxyphenyl-vinyl-bipyridyl ligand ruthenium(II) complex films exhibit transparent/orange electrochromicity.|
|Description: ||This article is closed access, it was published in the serial Journal of the Chemical Society, Faraday Transactions [© The Royal Society of Chemistry]. The definitive version is available at: http://dx.doi.org/10.1039/ft9938900333|
|Publisher Link: ||http://dx.doi.org/10.1039/ft9938900333|
|Appears in Collections:||Closed Access (Chemistry)|
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