2,6-dithienyl-substituted pyrylium salts as precursors of functionalized Langmuir films

M. Aiai, V. Gionis, B. Agricole, C. Mingotaud, P. Delhaes, Y. J. Li, L. Shao, Roger Leblanc

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Starting from 2,6-dithienyl pyrylium perchlorates, the pyrylation reaction was used to obtain 2,6-dithienyl-4-arylpyrylium salts. These salts yield stable monolayers at the air-water interface. Multilayers can be easily built up and films free of light scattering defects were obtained. Both the solution and the Langmuir-Blodgett films exposed to iodine vapor seem to lead to a molecular complex while, on treatment with FeCl3, oxidation and formation of oligothiophenes have been detected.

Original languageEnglish
Pages (from-to)138-140
Number of pages3
JournalThin Solid Films
Volume284-285
DOIs
StatePublished - Sep 15 1996

Fingerprint

Langmuir Blodgett films
Perchlorates
Salts
salts
Langmuir-Blodgett films
perchlorates
Iodine
Light scattering
iodine
Monolayers
Multilayers
light scattering
Vapors
vapors
Oxidation
Defects
oxidation
Water
air
defects

Keywords

  • 2,6-Dithienyl pyrylium salts
  • Functionalized Langmuir-Blodgett
  • Langmuir monolayers
  • Oligothiophenes

ASJC Scopus subject areas

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

Cite this

2,6-dithienyl-substituted pyrylium salts as precursors of functionalized Langmuir films. / Aiai, M.; Gionis, V.; Agricole, B.; Mingotaud, C.; Delhaes, P.; Li, Y. J.; Shao, L.; Leblanc, Roger.

In: Thin Solid Films, Vol. 284-285, 15.09.1996, p. 138-140.

Research output: Contribution to journalArticle

Aiai, M, Gionis, V, Agricole, B, Mingotaud, C, Delhaes, P, Li, YJ, Shao, L & Leblanc, R 1996, '2,6-dithienyl-substituted pyrylium salts as precursors of functionalized Langmuir films', Thin Solid Films, vol. 284-285, pp. 138-140. https://doi.org/10.1016/S0040-6090(95)08290-5
Aiai M, Gionis V, Agricole B, Mingotaud C, Delhaes P, Li YJ et al. 2,6-dithienyl-substituted pyrylium salts as precursors of functionalized Langmuir films. Thin Solid Films. 1996 Sep 15;284-285:138-140. https://doi.org/10.1016/S0040-6090(95)08290-5
Aiai, M. ; Gionis, V. ; Agricole, B. ; Mingotaud, C. ; Delhaes, P. ; Li, Y. J. ; Shao, L. ; Leblanc, Roger. / 2,6-dithienyl-substituted pyrylium salts as precursors of functionalized Langmuir films. In: Thin Solid Films. 1996 ; Vol. 284-285. pp. 138-140.
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