Perfluoroalkylether reactions on iron and oxygen covered iron surfaces studied using x-ray photoelectron spectroscopy and secondary ion mass spectrometry

Mary E. Napier, Peter C Stair

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

X-ray photoelectron spectroscopy and secondary ion mass spectrometry have been used to investigate the reaction of a model perfluoroalkylether (PFAE), CF3 OCF2 CF2 OCF2 CF3, with clean iron, oxygen modified iron and clean gold surfaces. These studies revealed an unexpected low temperature decomposition reaction on clean iron surfaces. The decomposition appeared to proceed through a defluorination of the carbon backbone, followed by a dissociation of the entire molecule. The clean gold and oxygen covered iron surfaces were essentially unreactive toward the PFAE.

Original languageEnglish
Pages (from-to)649-652
Number of pages4
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume9
Issue number3
DOIs
Publication statusPublished - 1991

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Photoelectron spectroscopy
Secondary ion mass spectrometry
x ray spectroscopy
secondary ion mass spectrometry
Iron
photoelectron spectroscopy
Oxygen
iron
X rays
oxygen
Gold
defluorination
gold
Decomposition
decomposition
Carbon
X ray photoelectron spectroscopy
dissociation
Molecules
carbon

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

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AB - X-ray photoelectron spectroscopy and secondary ion mass spectrometry have been used to investigate the reaction of a model perfluoroalkylether (PFAE), CF3 OCF2 CF2 OCF2 CF3, with clean iron, oxygen modified iron and clean gold surfaces. These studies revealed an unexpected low temperature decomposition reaction on clean iron surfaces. The decomposition appeared to proceed through a defluorination of the carbon backbone, followed by a dissociation of the entire molecule. The clean gold and oxygen covered iron surfaces were essentially unreactive toward the PFAE.

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