Stability analysis of the superoxide ion generated in trihexyl (tetradecyl) phosphonium bis (trifluoromethylsulfonyl) imide ionic liquid

Maan Hayyan, Farouq S. Mjalli, Mohd Ali Hashim, Inas M. Al-Nashef, Xue Mei Tan, Kim L. Chooi

Research output: Contribution to journalArticle

Abstract

Superoxide ion has been generated in ionic liquid trihexyl (tetradecyl) phosphonium bis (trifluoromethylsulfonyl) imide, [PI4, 666][N(Tf)2]. Cyclic voltammetry and chronoamperometry techniques were used for the electrochemical generation of 02'~, while chemical generation was done by adding K02 to DMSO. The long term stability of 02'~ was investigated using UV/Vis spectrophotometer. It was found that the quaternary phosphonium cation, [PI 4, 666]+ is a reasonably safe cation for the generation of 02'~ which indicates the possible use of ILs involving it for further useful applications.

Original languageEnglish
Pages (from-to)1166-1170
Number of pages5
JournalJournal of Applied Sciences
Volume10
Issue number12
Publication statusPublished - 2010

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Imides
Ionic Liquids
Superoxides
Cations
Ions
Ultraviolet spectrophotometers
Chronoamperometry
Dimethyl Sulfoxide
Cyclic voltammetry

Keywords

  • Ionic liquids
  • Phosphonium
  • Stability
  • Superoxide ion

ASJC Scopus subject areas

  • General

Cite this

Stability analysis of the superoxide ion generated in trihexyl (tetradecyl) phosphonium bis (trifluoromethylsulfonyl) imide ionic liquid. / Hayyan, Maan; Mjalli, Farouq S.; Hashim, Mohd Ali; Al-Nashef, Inas M.; Tan, Xue Mei; Chooi, Kim L.

In: Journal of Applied Sciences, Vol. 10, No. 12, 2010, p. 1166-1170.

Research output: Contribution to journalArticle

Hayyan, Maan ; Mjalli, Farouq S. ; Hashim, Mohd Ali ; Al-Nashef, Inas M. ; Tan, Xue Mei ; Chooi, Kim L. / Stability analysis of the superoxide ion generated in trihexyl (tetradecyl) phosphonium bis (trifluoromethylsulfonyl) imide ionic liquid. In: Journal of Applied Sciences. 2010 ; Vol. 10, No. 12. pp. 1166-1170.
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AU - Al-Nashef, Inas M.

AU - Tan, Xue Mei

AU - Chooi, Kim L.

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AB - Superoxide ion has been generated in ionic liquid trihexyl (tetradecyl) phosphonium bis (trifluoromethylsulfonyl) imide, [PI4, 666][N(Tf)2]. Cyclic voltammetry and chronoamperometry techniques were used for the electrochemical generation of 02'~, while chemical generation was done by adding K02 to DMSO. The long term stability of 02'~ was investigated using UV/Vis spectrophotometer. It was found that the quaternary phosphonium cation, [PI 4, 666]+ is a reasonably safe cation for the generation of 02'~ which indicates the possible use of ILs involving it for further useful applications.

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