Voltammetry and impedance of Pt(111) electrodes in aqueous KClO4 solutions

Research output: Article

7 Citations (Scopus)

Abstract

The voltammetric behaviour of Pt(111) electrodes in neutral and near-neutral aqueous KClO4 solutions (4 <pH <9.7) is discussed. In this system, within the ideally polarizable potential region, the only processes affecting voltammetry and impedance are the adsorption and desorption of the H+ and OH- ions. Due to the low bulk concentrations of these ions, the desad processes are diffusion controlled. This situation is analysed using cyclic voltammetry, transient and impedance measurements.

Original languageEnglish
Pages (from-to)351-363
Number of pages13
JournalZeitschrift fur Physikalische Chemie
Volume217
Issue number4
Publication statusPublished - 2003

Fingerprint

Voltammetry
impedance
Ions
aqueous solutions
Electrodes
electrodes
impedance measurement
Cyclic voltammetry
Desorption
ions
desorption
Adsorption
adsorption
hydroxide ion

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "The voltammetric behaviour of Pt(111) electrodes in neutral and near-neutral aqueous KClO4 solutions (4 + and OH- ions. Due to the low bulk concentrations of these ions, the desad processes are diffusion controlled. This situation is analysed using cyclic voltammetry, transient and impedance measurements.",
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AB - The voltammetric behaviour of Pt(111) electrodes in neutral and near-neutral aqueous KClO4 solutions (4 + and OH- ions. Due to the low bulk concentrations of these ions, the desad processes are diffusion controlled. This situation is analysed using cyclic voltammetry, transient and impedance measurements.

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KW - Chemisorption

KW - Diffusion

KW - Platinum

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