Ion-exchange and apparent diffusion coefficients within cationic polysulfonium coatings containing ferricyanide

Eniya Listiani Dewi, Hiroko Nakano, Kenichi Oyaizu, Hiroyuki Nishide, Eishun Tsuchida

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A cationic polyelectrolyte of various poly(arylenesulfonium salt)s were coated on the surface of glassy carbon electrodes with an incorporated ferricyanide anion from the electrolyte solutions. The apparent diffusion coefficients of Fe(CN)6 3- that are electrostatically bound were determined by chronoamperometry, chronocoulometry and mediated electron transfer from the rotating disk voltammetry. The complex incorporated by the S-cationic polyelectrolyte shows a high diffusion coefficient for the polyelectrolyte of poly(methylsufonio-1,4-phenylenethio-1,4-phenylene trifluoro-methanesulfonate). The diffusion of poly(arylenesulfonio triflate) depended on the ionic exchange of the S-cation which has an alkyl bond and the crystalline structure that influenced the electrostatic motion of the anion within the polyelectrolyte modified electrode.

Original languageEnglish
Pages (from-to)37-47
Number of pages11
JournalJournal of Macromolecular Science - Pure and Applied Chemistry
Volume40 A
Issue number1
DOIs
Publication statusPublished - 2003 Jan

Fingerprint

Polyelectrolytes
Ion exchange
Coatings
Anions
Chronoamperometry
Electrodes
Negative ions
Glassy carbon
Rotating disks
Voltammetry
Electrolytes
Cations
Electrostatics
Salts
Crystalline materials
Electrons
Positive ions
hexacyanoferrate III
polycations

Keywords

  • Cationic polyelectrolyte
  • Chron-ocoulometry
  • Chronoamperometry
  • Diffusion coefficient
  • Mediated electron transfer
  • Polysulfonium

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics

Cite this

Ion-exchange and apparent diffusion coefficients within cationic polysulfonium coatings containing ferricyanide. / Dewi, Eniya Listiani; Nakano, Hiroko; Oyaizu, Kenichi; Nishide, Hiroyuki; Tsuchida, Eishun.

In: Journal of Macromolecular Science - Pure and Applied Chemistry, Vol. 40 A, No. 1, 01.2003, p. 37-47.

Research output: Contribution to journalArticle

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