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Russian Journal of Electrochemistry

, Volume 36, Issue 10, pp 1092–1100 | Cite as

Initial stages of the copper electrocrystallization from a sulfuric acid electrolyte: Chronoamperometry at a platinum ring-disk electrode

  • A. I. Danilov
  • E. B. Molodkina
  • Yu. M. Polukarov
Article

Abstract

Initial stages of the copper electrocrystallization on platinum from a sulfuric acid electrolyte are studied by measuring potentiostatic current transients (the chronoamperometry method) on a rotating and stationary ring-disk electrode. The number of active centers and the copper nucleation rate are shown to substantially depend on the electrochemical pretreatment of the electrode. The mechanism governing the formation of intermediate species (ions Cu+) during the nucleation of a new copper phase and the deposit dissolution is analyzed.

Keywords

Nucleation Rate Current Transient Sulfuric Acid Electrolyte High Overvoltage Univalent Copper 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© MAIK “Nauka/Interperiodica” 2000

Authors and Affiliations

  • A. I. Danilov
    • 1
  • E. B. Molodkina
    • 1
  • Yu. M. Polukarov
    • 1
  1. 1.Institute of Physical ChemistryRussian Academy of SciencesMoscowRussia

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