Simultaneous oscillations of surface energy, superficial mass and electrode potential in the course of galvanostatic oxidation of formic acid

G. Láng, M. Seo, K. E. Heusler

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Simultaneous oscillations of electrode potential, surface mass and specific surface energy have been detected in the course of galvanostatic oxidation of formic acid on platinum by using a Koesters laser interferometer combined with an electrochemical quartz crystal microbalance. Changes of surface energy data measured with the electrochemical Koesters laser interferometer and with the electrochemical bending beam technique are shown to be equivalent. Problems related to the interpretation of the measured data are discussed.

Original languageEnglish
Pages (from-to)347-353
Number of pages7
JournalJournal of Solid State Electrochemistry
Volume9
Issue number5
DOIs
Publication statusPublished - May 2005

Fingerprint

formic acid
Formic acid
Interfacial energy
Interferometers
surface energy
interferometers
Oxidation
oscillations
oxidation
Electrodes
electrodes
Lasers
Quartz crystal microbalances
Surface potential
Platinum
quartz crystals
microbalances
lasers
platinum

Keywords

  • Bending beam method
  • Formic acid
  • Koesters laser interferometer
  • Superficial mass
  • Surface energy
  • Surface stress

ASJC Scopus subject areas

  • Electrochemistry
  • Electrical and Electronic Engineering
  • Chemical Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)
  • Materials Science (miscellaneous)

Cite this

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T1 - Simultaneous oscillations of surface energy, superficial mass and electrode potential in the course of galvanostatic oxidation of formic acid

AU - Láng, G.

AU - Seo, M.

AU - Heusler, K. E.

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N2 - Simultaneous oscillations of electrode potential, surface mass and specific surface energy have been detected in the course of galvanostatic oxidation of formic acid on platinum by using a Koesters laser interferometer combined with an electrochemical quartz crystal microbalance. Changes of surface energy data measured with the electrochemical Koesters laser interferometer and with the electrochemical bending beam technique are shown to be equivalent. Problems related to the interpretation of the measured data are discussed.

AB - Simultaneous oscillations of electrode potential, surface mass and specific surface energy have been detected in the course of galvanostatic oxidation of formic acid on platinum by using a Koesters laser interferometer combined with an electrochemical quartz crystal microbalance. Changes of surface energy data measured with the electrochemical Koesters laser interferometer and with the electrochemical bending beam technique are shown to be equivalent. Problems related to the interpretation of the measured data are discussed.

KW - Bending beam method

KW - Formic acid

KW - Koesters laser interferometer

KW - Superficial mass

KW - Surface energy

KW - Surface stress

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JO - Journal of Solid State Electrochemistry

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