Colloids and Surface Thermodynamics
- Introduction, Review on thermodynamics: the fundamental equation, Gibbs-Duhem equation
- Surface tension and surface energy, thermodynamics of surfaces, Gibbs dividing surface approach for planar interface, Gibbs surface of tension approach for a curved interface, Gibbs- adsorption equation
- conditions for thermodynamic equilibrium, Laplace equation, Ostwald ripening, effect of curvature on equilibrium equations, Kelvin equation
- Thermodynamic free energy for composite system
- Nucleation, vapor pressure in porous media
- Contact angle, wettability, Young-Laplace equation, lotus effect, Wenzel vs. Cassie contact angle, surface tension measurements
- Adsorption, Gibbs adsorption isotherm, Langmuir isotherm, BET isotherm
- Emulsions: macro vs micro, emulsifiers, hydrophilic-lipophilic difference, breaking an emulsion
- Colloidal particles in suspension, particle distribution, osmotic pressure
- Surfactants, self-assembly, micelles
- Janus particles at the fluid interface
- Colloidal forces, van der Waals forces, Hamaker constant
- Poisson-Boltzmann equation, electric double layer
- DLVO theory, zeta potential