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Resonance Raman and infrared studies of Langmuir-Blodgett films of 3,3-dimethyl-2-[3-(3,3-dimethyl-1-octadecyl-2-indolinylidene)-1- propenyl]-1-octadecyl-3H-indolium iodide

Authors
Journal
Thin Solid Films
0040-6090
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/0040-6090(92)90351-b
Disciplines
  • Physics

Abstract

Abstract Resonance Raman and infrared transmission and reflection-absorption (RA) spectra of LB films of 3,3-dimethyl-2-[3-(3,3-dimethyl-1-octadecyl-2- indolinylidene)-1-propenyl]-1-octadecyl-3H-indolium iodide (NK-2665) indicate that it takes conformer A in the films and both the hydrocarbon chains and the central conjugated system of NK-2665 are neither parallel nor perpendicular to the substrate surface, but assume an intermediate orientation.

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