Corrosion studies of stainless steel protected by a TiO2 thin film deposited on a sulfonate-functionalized self-assembled monolayer

Sérgio Meth, Natali Savchenko, Maxim Koltypin, David Starosvetsky, Federico A. Viva, Alec Groysman, Chaim N. Sukenik

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Thioacetate hexadecyltrimethoxysilane was deposited on SiO2-coated stainless steel to form a thioacetate-functionalized monolayer. In situ oxidation of the thioacetate yielded a sulfonate-functionalized monolayer. Solution deposition of TiO2 on this monolayer covered the stainless steel with a thin layer of the metal oxide (5-10 nm). Cyclic voltammetry (CV) and potentiostatic current transient demonstrated the efficiency of the corrosion protection in sodium chloride media, including protection against pitting corrosion.

Original languageEnglish
Pages (from-to)125-129
Number of pages5
JournalCorrosion Science
Volume52
Issue number1
DOIs
StatePublished - Jan 2010

Bibliographical note

Funding Information:
This work was supported by a Tashiyot Grant from the Israel Ministry of Science.

Keywords

  • A. Stainless steel
  • B. Cyclic voltammetry
  • B. Potentiostatic
  • C. Oxide coatings
  • C. Passive films
  • C. Pitting corrosion

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