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Interfaces at equilibrium: A guide to fundamentals.

Abraham Marmur1

  • 1Department of Chemical Engineering, Technion - Israel Institute of Technology, Technion City, Haifa 3200003, Israel.

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Summary
This summary is machine-generated.

This review explains interfacial thermodynamics, covering two- and three-phase systems, and clarifies the difference between equilibrium conditions and measurable indicators for adsorption and wetting phenomena.

Keywords:
Non-wettabilityStabilitySurface tensionThermodynamic equilibriumWetting

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Area of Science:

  • Physical Chemistry
  • Surface Science
  • Thermodynamics

Background:

  • Fundamentals of bulk thermodynamics relevant to interfaces.
  • Introduction to interfacial thermodynamics for two-phase systems.

Purpose of the Study:

  • To review and present the fundamentals of interfacial thermodynamics.
  • To clarify distinctions between equilibrium conditions and indicators.
  • To discuss wetting phenomena in three-phase systems.

Main Methods:

  • Review of bulk thermodynamics principles.
  • Analysis of interfacial thermodynamics in two- and three-phase systems.
  • Distinction between energy minimization and measurable equilibrium indicators.

Main Results:

  • Definition of interfacial tension and adsorption.
  • Discussion of wetting and non-wettable surfaces.
  • Equilibrium indicators are independent of the minimized energy under specific boundary conditions.

Conclusions:

  • A clear framework for understanding interfacial thermodynamics.
  • Understanding of adsorption and wetting phenomena.
  • Precise definitions for equilibrium in interfacial systems.