Using the transfer of a Langmuir monolayer as a probe of wetting

J. B. Peng*, P. Dutta, J. B. Ketterson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We observe a spontaneous transfer of a Langmuir monolayer of valinomycin to a hydrophilic substrate as soon as the edge of the substrate touches the water surface. By measuring the total monolayer area transferred, the capillary rise h can be determined. We find that the dependence of h on the spreading pressure is well accounted for by an expression due to Joanny and de Gennes but that the actual values of h are five orders of magnitude too small. "Prewetting" the substrate before the monolayer was allowed to spread did not affect the observed capillary rise.

Original languageEnglish (US)
Pages (from-to)215-219
Number of pages5
JournalThin Solid Films
Issue number1-2
StatePublished - May 1988

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry


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