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Russian Chemical Bulletin

, Volume 57, Issue 6, pp 1138–1150 | Cite as

Shape of the vapor—liquid interface in narrow slit-shaped pores

  • Yu. K. Tovbin
  • A. B. Rabinovich
Full Articles
  • 75 Downloads

Abstract

The shape of the meniscus (vapor—liquid interface) and the transient region in narrow slit-shaped pores of different width were studied. The adsorbate was modeled by spherical particles, the interaction between them being described by the Lennard-Jones potential model. The calculation was carried out on the basis of the lattice-gas model in the quasichemical approximation for accounting the intermolecular interactions between the nearest neighbors. The greatest meniscus curvature was found for narrow pores. As the pore width increases, the meniscus curvature decreases. The effect of the surface potential on the meniscus shape in narrow pores was discussed.

Key words

adsorption vapor—liquid interface Kelvin equation slit-shaped pores lattice-gas model quasichemical approximation 

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Copyright information

© Springer Science+Business Media, Inc.  2008

Authors and Affiliations

  1. 1.L. Ya. Karpov Institute of Physical ChemistryMoscowRussian Federation

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