Topics at a Glance:
1. Surface Tension, Adhesion and capillarity:
Effects of confinement and finite size;
Concepts of surface and interfacial energies and tensions;
Apolar (van der Waals) and polar (acid-base) components of interfacial tensions
Young-Laplace equation of capillarity; examples of equilibrium surfaces; multiplicity, etc.;
Stability of equilibrium solutions; Contact angle and Young's equation;
Determination of apolar (van der Waals) and acid-base components of surface/interfacial tensions;
Free energies of adhesion
Kinetics of capillary flows
2. Intermolecular and interfacial forces in organic, polymeric, biological and aqueous systems:
van der Waals,
Electrostatic double layer,
Acid-base interactions including hydrophobic attraction and hydration pressure.
3. Mesoscale & Surface thermodynamics:
Gibbs treatment of interfaces; concept of excess concentration; variation of interfacial tensions with surfactant concentration
4. Mesoscale phenomena in soft matter and applications:
Adhesion, wetting, nucleation, flotation, patterning of soft material by self – organization and other techniques
5. Stability of colloidal dispersions:
DLVO and DLVO like theories and kinetics of coagulation plus general principles of diffusion in a potential field/Brownian movement
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