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Effective interactions in multisite cells for adsorption in microporous materials

Demontis, Pierfranco and Pazzona, Federico Giovanni and Suffritti, Giuseppe Baldovino (2009) Effective interactions in multisite cells for adsorption in microporous materials. The Journal of Chemical Physics, Vol. 130 (16), p. 164701/1-10. eISSN 1089-7690. Article.

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DOI: 10.1063/1.3114445


Local, discrete models of self-interacting multisite adsorption cells have been shown to be able to provide a coarse-grained representation of equilibrium properties of small molecules adsorbed in nanoporous materials at the mesoscopic scale. In the present work we show how the essential statistical properties of a host cell of structured sites with multiple adsorption energies and particle-particle interactions (that is the partition function, the average energy, and the average number of guests close to the windows connecting the cell to its surroundings) can be reproduced by a less-structured cell with two occupancy-dependent adsorption energy levels.

Item Type:Article
ID Code:3747
Uncontrolled Keywords:Zeolites, adsorption, cellular automata, lattice gas, nanoporous materials, statistical mechanics, thermodynamics
Subjects:Area 03 - Scienze chimiche > CHIM/02 Chimica fisica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:American Institute of Physics
Deposited On:16 Apr 2010 18:28

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