期刊
LANGMUIR
卷 28, 期 35, 页码 12788-12795出版社
AMER CHEMICAL SOC
DOI: 10.1021/la302268h
关键词
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资金
- CONICET (Argentina) [PIP 112-200801-01332]
- Universidad Nacional de San Luis (Argentina) [322000]
- National Agency of Scientific and Technological Promotion (Argentina) [PICT-2010-1466]
The statistical thermodynamics of straight rigid rods of length k on triangular lattices was developed on a generalization in the spirit of the lattice-gas model and the classical Guggenheim-DiMarzio approximation. In this scheme, the Helmholtz free energy and its derivatives were written in terms of the order parameter, delta, which characterizes the nematic phase occurring in the system at intermediate densities. Then, using the principle of minimum free energy with delta as a parameter, the main adsorption properties were calculated. Comparisons with Monte Carlo simulations and experimental data were performed in order to evaluate the outcome and limitations of the theoretical model.
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