The electrodeposition of silver from supercritical carbon dioxide/acetonitrile

The electrodeposition of silver from supercritical carbon dioxide/acetonitrile

Cyclic voltammetry of silver coordination complexes in acetonitrile and in a single-phase supercritical carbon dioxide/acetonitrile (scCO2/CH3CN) system is reported. Five silver precursors are investigated: (1,5-cyclooctadiene)(hexafluoroacetylacetonato) silver(I) [Ag(hfac)(COD)], (hexafluoroacetyla...

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Main Authors: Bartlett, Philip N. (Author), Perdjon-Abel, Magdalena (Author), Cook, David (Author), Reid, Gillian (Author), Levason, William (Author), Cheng, Fei (Author), Zhang, Wenjian (Author), George, Michael W. (Author), Ke, Jie (Author), Beanland, Richard (Author), Sloan, Jeremy (Author)
Format: Article
Language:English
Published: 2014-01-03.
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Summary:Cyclic voltammetry of silver coordination complexes in acetonitrile and in a single-phase supercritical carbon dioxide/acetonitrile (scCO2/CH3CN) system is reported. Five silver precursors are investigated: (1,5-cyclooctadiene)(hexafluoroacetylacetonato) silver(I) [Ag(hfac)(COD)], (hexafluoroacetylacetonato)(triphenylphosphine) silver(I) [Ag(hfac)(PPh3)], (perfluorooctanoato)bis(triphenylphosphine) silver(I) [Ag(CF3(CF2)6CO2)(PPh3)2], tetrakis(triphenylphosphine) silver(I) tetrafluoroborate [Ag(PPh3)4][BF4] and tetrakis(acetonitrile) silver(I) tetrafluoroborate [Ag(CH3CN)4][BF4]. Of these, [Ag(CH3CN)4][BF4] is found to be the most suitable for electrodeposition of silver from scCO2/CH3CN.

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