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Updated: Aug 3, 2026
09:48
Investigating Single Molecule Adhesion by Atomic Force Spectroscopy
Published on: February 27, 2015
Free-energy formalism for particle adsorption
Pierre Gosselin1, Hervé Mohrbach
1Université Grenoble I, Institut Fourier, UMR 5582 CNRS-UJF, UFR de Mathématiques, BP74, Saint Martin d'Hères, France.
Summary
This study develops a new theoretical model for particle adsorption, extending the Maxwell-Boltzmann description for high concentrations. The model accurately predicts adsorption onto surfaces for both neutral and charged particles.
Area of Science:
- Physical Chemistry
- Thermodynamics
- Surface Science
Background:
- Understanding particle adsorption is crucial in various scientific fields.
- Existing models may not accurately describe systems with high concentrations of adsorbing particles.
Purpose of the Study:
- To develop a generalized theoretical framework for equilibrium particle adsorption.
- To extend the Maxwell-Boltzmann description to high bulk volume fractions.
Main Methods:
- Utilized a free-energy formulation for theoretical investigation.
- Applied the generalized model to analyze adsorption onto two parallel surfaces.
Main Results:
- The developed model successfully generalizes the Maxwell-Boltzmann description.
- Equilibrium adsorption properties were determined for neutral and charged particles.
Conclusions:
- The new theoretical approach provides a robust method for studying adsorption phenomena.
- The findings are applicable to systems with high particle concentrations and charged/neutral species.
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