Electrodeposition of rhenium species onto a gold surface in sulfuric acid media

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4 Citations (Scopus)

Abstract

It has been shown that the chemical nature of electrodeposited rhenium species depends on the H2SO4 concentration in the supporting electrolyte from which the deposition takes place. In dilute H 2SO4, mostly ReO2 and ReO3 and traces of Re2O5 are deposited. With the increase of H 2SO4 concentration, Re2O5 becomes the principal deposit; in H2SO4 solution in higher concentration than 10 M, solely Re2O5 is deposited. From highly dilute H2SO4 solutions (pH ≈ 0.9), Re 0 is deposited, which oxidizes at 0.7 V. If the current density of deposition is higher than 80 mA/cm2, thermodynamically two types of Re0 are deposited and oxidized at 0.7 V and 0.95 V.

Original languageEnglish
Pages (from-to)190-194
Number of pages5
JournalJournal of Solid State Electrochemistry
Volume8
Issue number3
DOIs
Publication statusPublished - Feb 1 2004

Keywords

  • Electrodeposition
  • Rhenium
  • Sulfuric acid

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Electrochemistry
  • Electrical and Electronic Engineering

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