Capillary condensation hysteresis is studied by non-local density functional theory (NLDFT) and MC simulations with the example of nitrogen and argon adsorption in cylindrical pores of highly ordered MCM-41 materials. Good agreement is found between the theoretical predictions and experimental data. In sufficiently wide pores (>5nm in case of nitrogen) the NLDFT model predicts both the adsorption and desorption branches of the experimental isotherm.
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