The critical properties of a Lennard-Jones fluid in carbon slit-like pores of different widths were studied. The calculations were performed by the Monte Carlo method and with the use of the lattice gas model. In the studied range of pore widths (5 to 10 molecular diameters), adsorbates were strongly structured. The phase diagram calculated by the Monte Carlo method had a broader dome and lower density values for the gas branch than in the lattice gas model. Qualitatively, the results of the two methods, however, coincide. In strong adsorption fields, the methods give the same dependence of the critical temperature shift on the slit width.
|Number of pages||6|
|Journal||Russian Journal of Physical Chemistry A|
|Publication status||Published - 2000|