Fluids adsorbed in narrow pores: Phase equilibria and structure

  • Evans R
  • 104


    Mendeley users who have this article in their library.
  • 576


    Citations of this article.


When gases or liquids are adsorbed in narrow pores or capillaries their properties aresignificantlydifferentfrom thoseinabulkphase. Thisarticle reviewsrecentdevelopments in the statistical theory and computer simulation of simple fluids confined in model pores, emphasizing the microscopic structure and phase equilibria. The structure reflects the packing of atoms or molecules in confining geometries while the phase behaviour reflects the presence of surface and bulk contributions to the fluid’s free energy. Confinement shifts first-order transitions, such as condensation or freezing, away from their location in bulk; it also alters the location and nature of the bulk critical point reducing the effective dimen- sionality. Sometimes surface phase transitions such as layering and prewetting compete with shifted bulk transitions giving rise to rich phase diagrams. The extent to which the theorists’ results for fluids in single idealized pores might be relevant for solvation force studies probing liquids between crossed mica cylinders and for gas adsorption studies in real mesoporous solids such as VYCOR is mentioned briefly. 1.

Get free article suggestions today

Mendeley saves you time finding and organizing research

Sign up here
Already have an account ?Sign in

Find this document


  • R. Evans

Cite this document

Choose a citation style from the tabs below

Save time finding and organizing research with Mendeley

Sign up for free