Interfacial electrochemistry of colloid-modified electrodes

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14 Citations (Scopus)

Abstract

The interfacial electrochemical behavior of negatively charged, layered structure, hydrophilic and hydrophobized swollen inorganic colloidal clay films and cationic-dye- and cationic-surfactant-incorporated clay films, electrochemically prepared organic polyaniline films and inorganic-organic composite materials (clay-polyaniline semiconductor wires and nanowires; clay-CdS,PbS semiconductor colloidal particles and nanoparticles) has been investigated. Surface electrochemistry was monitored via cyclic voltammetry. We have examined the charge-transport reactions of the Fe(CN)63- and Ru(NH3)63+ probe ions and p-benzoquinone and nitrobenzene probes. The effect of the hydrophobization, incorporation and composite formation on the rate of the charge-transport processes are discussed on the basis of the effect of different processes on the structure of the colloidal thin clay-film layer.

Original languageEnglish
Pages (from-to)337-346
Number of pages10
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume141
Issue number3
DOIs
Publication statusPublished - Nov 15 1998
EventProceedings of the 1996 7th Conference on Colloid Chemistry in Memoriam to A. Buzagh - Eger, Hung
Duration: Sep 23 1997Sep 26 1997

Keywords

  • Clay-composites
  • Clay-modified electrodes
  • Colloid-modified electrodes
  • Incorporation
  • Nanowires/nanoparticles

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

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