E Kierlik et al 2002 J. Phys.: Condens. Matter 14 9295 doi:10.1088/0953-8984/14/40/319
Adsorption hysteresis and capillary condensation in disordered porous solids: a density functional study
E Kierlik1, P A Monson2, M L Rosinberg1 and G Tarjus1
Show affiliationsWe present a theoretical study of capillary condensation of fluids adsorbed in mesoporous disordered media. Combining mean-field density functional theory with a coarse-grained description in terms of a lattice-gas model allows us to investigate both the out-of-equilibrium (hysteresis) and the equilibrium behaviour. We show that the main features of capillary condensation in disordered solids result from the appearance of a complex free-energy landscape with a large number of metastable states. We detail the numerical procedures for finding these states, and the presence or absence of transitions in the thermodynamic limit is determined by careful finite-size studies.
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Issue 40 (14 October 2002)
Received 16 May 2002
Published 27 September 2002
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Adsorption hysteresis and capillary condensation in disordered porous solids: a density functional study
E Kierlik et al 2002 J. Phys.: Condens. Matter 14 9295
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