Ultraslow response of interfacial tension to the change in the phase-boundary potential at the interface between water and a room-temperature ionic liquid, trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide

Yukinori Yasui, Yuki Kitazumi, Ryoichi Ishimatsu, Naoya Nishi, Takashi Kakiuchi

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Ultraslow response, on the order of minutes, of the interfacial tension to the change in the phase-boundary potential at the interface between water and a room-temperature ionic liquid, trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide, has been demonstrated. This ultraslow relaxation, which is not observed at the interface between two immiscible electrolyte solutions made of molecular organic solvents, is likely to be due to the long-range and collective ordering of ions of the electrical double layer on the ionic liquid side of the interface.

Original languageEnglish
Pages (from-to)3273-3276
Number of pages4
JournalJournal of Physical Chemistry B
Volume113
Issue number11
DOIs
Publication statusPublished - Mar 19 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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