Attenuated total reflection infrared studies of bilayers self-assembled onto a germanium prism

Ionel C. Stefan, Daniel Alberto Scherson

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Linoleic acid (LIA)/octadecylsilane (ODS) bilayers anchored through the silane moiety to the surface of a Ge internal reflection element (IRE) have been constructed using self-assembly techniques and the kinetics for their formation followed using attenuated total reflection infrared spectroscopy (ATR-IRS). Evidence that the acid layer is well-packed was obtained from the acid-base properties of the bilayer extracted from ATR-IRS measurements in aqueous solutions of different pH, yielding an effective pKa in the high-pH region of approximately 8.5.

Original languageEnglish
Pages (from-to)5945-5948
Number of pages4
JournalLangmuir
Volume16
Issue number14
DOIs
Publication statusPublished - 2000 Jul 11
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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