Inhibition of O2 reduction on AA2024-T3 using a Zr(IV)-octadecyl phosphonate coating system

Eric J. Dufek, Daniel A. Buttry

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

A thin-film coating consisting of Zr(IV) and octadecyl phosphonate provides inhibition of O2 reduction for AA2024-T3. The coating procedure produces films with thicknesses approaching that of a self-assembled monolayer. Using constant-potential experiments, the current density for the O2 reduction reaction has been shown to decrease by 2 orders of magnitude following five treatments. Auger electron spectroscopy of the coating shows that both Zr and phosphorus are present at the alloy surface following treatment. Characterization of the coating shows it to be hydrophobic, with the octadecyl chains being in a liquid-like environment.

Original languageEnglish (US)
Pages (from-to)C9-C12
JournalElectrochemical and Solid-State Letters
Volume11
Issue number2
DOIs
StatePublished - Jan 4 2008
Externally publishedYes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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