Electrocatalytic dehalogenation of organohalides on a nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode

Y. Kashiwagi, C. Kikuchi, J. Anzai

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17 Citations (Scopus)

Abstract

Electrocatalytic dehalogenation of organohalides was studied using a nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode. The nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode was prepared by attaching nickel(II) (6-(2′-hydroxyethyl)-1,4,8,11-tetraazacyclotetradecane)perchlorate chemically to the carboxyl groups of a thin poly(acrylic acid) layer coated on the graphite felt. The modified electrode gave a reversible electron transfer for the nickel(II)/nickel(I) redox couple in cyclic voltammetry at -0.95 V versus Ag/AgCl. A preparative electrocatalytic dehalogenation of organohalides was successfully achieved on the modified electrode with an adequate current efficiency (55.6-94.8%), conversion (34.2-100%) and turnover number of the Ni catalyst (667-3333).

Original languageEnglish
Pages (from-to)51-55
Number of pages5
JournalJournal of Electroanalytical Chemistry
Volume518
Issue number1
DOIs
Publication statusPublished - 2002 Jan 11

Keywords

  • Electrocatalytic dehalogenation
  • Mediator
  • Modified electrode
  • Nickel(II) tetraazamacrocyclic complex
  • Organohalides

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

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