Title of article
Electrochemical Generation of Superoxide Ions in five different Fluorine rich Room Temperature Ionic Liquids
Author/Authors
Sethupathy K، Praneshwar نويسنده Center for Electrochemical Engineering, Department of Chemical Engineering, University of South Carolina Columbia, SC 29208 Sethupathy K, Praneshwar , Monnier، John R. نويسنده Center for Electrochemical Engineering, Department of Chemical Engineering, University of South Carolina Columbia, SC 29208 Monnier, John R. , Matthews، Michael A. نويسنده Center for Electrochemical Engineering, Department of Chemical Engineering, University of South Carolina Columbia, SC 29208 Matthews, Michael A. , Weidner، John W. نويسنده Center for Electrochemical Engineering, Department of Chemical Engineering, University of South Carolina Columbia, SC 29208 Weidner, John W.
Issue Information
دوماهنامه با شماره پیاپی 0 سال 2013
Pages
8
From page
711
To page
718
Abstract
Stable superoxide ion O2?- is electrochemically generated in five room temperature ionic liquids namely 1-hexyl-3-methylimidazolium hexafluorophosphate [hmim][PF6], 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [bmim] [btfmsi], 1-butyl-2,3-dimethylimidazolium bis(trifluoromethylsulfonyl)imide [bdmim] [btfmsi], N-butyl-N-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide [N-Bu-N-MePyrr] [btfmsi], 1-butyl-2,3-dimethylimidazolium tetrafluoroborate [bdmim] [BF4]. Cyclic voltammetry studies were used to check for the short-term stability of O2?- in these RTIL’s. In the absence of impurities, especially water, the O2?- is stable in these three RTIL’s in the timescale of the cyclic voltammetry. The formal potential for the O2/ O2?- couple is found to be -0.86 V vs. Ag/AgCl reference electrode. Hydrophobicity, Viscosity, Oxygen Solubility and Electrical Conductivity were found to be key parameters in the generation of stable superoxide ions in RTILs
Journal title
Analytical and Bioanalytical Electrochemistry
Serial Year
2013
Journal title
Analytical and Bioanalytical Electrochemistry
Record number
1025764
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