Glycine-based ionic liquids as potential electrolyte for electrochemical studies of organometallic and organic redox couples

Tzi Yi Wu, Shyh Gang Su, H. Paul Wang, I. Wen Sun

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Ten ionic liquids (ILs) based on glycine cations with bis(trifluoromethanesulfonyl)amide or alkylsulfate anions as novel electrolytes are prepared and evaluated. The ILs exhibit wide electrochemical windows of 5.0 V and good ionic conductivity (up to 1.44 mS cm-1 at 35 °C). The Stokes-Einstein products of two organometallic redox couples, Fc/Fc+ (ferrocene/ferrocenium) and Cc/Cc+ (cobaltocene/cobaltocenium), and an organic redox couple TMPD (N,N,N′,N′-tetramethyl-para- phenylenediamine) in the ILs are determined. The solvodynamic radii of Fc, Cc, and TMPD are found to be independent of the types of ILs.

Original languageEnglish
Pages (from-to)237-241
Number of pages5
JournalElectrochemistry Communications
Volume13
Issue number3
DOIs
Publication statusPublished - 2011 Mar

All Science Journal Classification (ASJC) codes

  • Electrochemistry

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