Oligo(vinylidene fluoride) Langmuir-Blodgett films studied by spectroscopic ellipsometry and the density functional theory

R. Korlacki, J. Travis Johnson, Jihee Kim, Stephen Ducharme, Daniel W. Thompson, V. M. Fridkin, Zhongxin Ge, James M. Takacs

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Thin films of amphiphilic vinylidene fluoride oligomers prepared by Langmuir-Blodgett deposition on silicone substrates were investigated by comparing experimental and theoretical mid-infrared (IR) spectra. The experimental spectra were obtained using infrared spectroscopic ellipsometry. Theoretical spectra were calculated using density functional theory. Excellent correspondence of major IR bands in both data sets shows that the molecular backbone is oriented with the long axis normal to the substrate plane. This is in contrast to poly(vinylidene fluoride) LB films, in which the polymer chains are parallel to the substrate.

Original languageEnglish (US)
Article number064704
JournalJournal of Chemical Physics
Volume129
Issue number6
DOIs
StatePublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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