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
作者： Paul D. Beer , Oldrich Kocian , Roger J. Mortimer , Christopher Ridgway
DOI: 10.1039/FT9938900333
关键词: Redox 、 Cyclic voltammetry 、 15-Crown-5 、 Acetonitrile 、 Chemistry 、 Ether 、 Supporting electrolyte 、 Inorganic chemistry 、 Ligand 、 Polymer chemistry 、 Ruthenium
摘要: The cyclic voltammetry of benzo-15-crown-5 ether-vinyl-bipyridyl ligands, their ruthenium(II) complexes and the ‘model’ bismethoxyphenyl-vinyl-bipyridyl ligand has been investigated in acetonitrile. ether units solution are sensitive to supporting electrolyte, being more difficult electro-oxidize on binding sodium or magnesium cations. tris(ligand) can be reductively electropolymerized form smooth, adherent electroactive orange films. For these films, irreversible electro-oxidation is electrocatalysed by RuIII sites only observed first voltammogram. RuIII/II redox potentials insensitive changes apparent differences due variable liquid-junction at interface between reference electrode electrolyte solutions. Electropolymerized complex films exhibit transparent/orange electrochromicity.
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