INFAP 20938
INSTITUTO DE FISICA APLICADA "DR. JORGE ANDRES ZGRABLICH"
Unidad Ejecutora - UE
artículos
Título:
Adsorption preference reversal phenomenon from multisite-occupancy theory for two-dimensional lattices
Autor/es:
MATOZ FERNANDEZ, DANIEL ALEJANDRO; A. J. RAMIREZ-PASTOR
Revista:
CHEMICAL PHYSICS LETTERS
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2014 vol. 610 p. 131 - 134
ISSN:
0009-2614
Resumen:
The statistical thermodynamics of polyatomic species mixtures adsorbed on two-dimensional substrates was developed on a generalization in the spirit of the lattice-gas model and the classical Guggenheim-DiMarzio approximation. In this scheme, the coverage and temperature dependence of the Helmholtz free energy and chemical potential are given. The formalism leads to the exact statistical thermodynamics of binary mixtures adsorbed in one dimension, provides a close approximation for two-dimensional systems accounting multisite occupancy and allows to discuss the dimensionality and lattice structure effects on the known phenomenon of adsorption preference reversal.
