Systematic model behavior of adsorption on flat surfaces
Raluca A. Trasca, Milton W. Cole, Renee D. Diehl
TL;DR
This paper develops a theoretical model for adsorption on flat surfaces using virial coefficients, exploring universal behavior and comparing predictions with experimental data.
Contribution
It introduces a virial coefficient expansion to describe adsorption, providing a systematic approach to analyze surface interactions and universal behavior.
Findings
The model captures the transition from Henry's law to interaction-dominated regimes.
Comparison with experimental data supports the universality of the adsorption behavior.
The approach offers a framework for analyzing adsorption phenomena on flat surfaces.
Abstract
A low density film on a flat surface is described by an expansion involving the first four virial coefficients. The first coefficient (alone) yields the Henry's law regime, while the next three correct for the effects of interactions. The results permit exploration of the idea of universal adsorption behavior, which is compared with experimental data for a number of systems.
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