Course Content
• Introduction to Surface Chemistry
L/G, S/L, L/S, S/G interfaces
• Surface Tension (Liquid/Gas)
Surface energy, Capillarity, Surface tension measurement
• Gibbs Definition of an Interface & Thermodynamics
One component
• thermodynamics of an interface
Two component
• Gibbs adsorption eqn, calcn of Gibbs excess
• surface active molecules in water: micelles, membranes
• spreading/wetting
• Langmuir trough, compression isotherms
• Solid/Gas, Solid/Liquid Interfaces
• Adsorption, physisorption, chemisorption, Langmuir adsorption isotherm , BET
• Heat of adsorption, spreading/wetting, atomic surface structure
• Electrical Aspects
• Electrostatics review, Coulomb's Law, Electric Field, Potential
• Double layer theory, Colloids, Electrocapillarity
• Surface Analysis/Characterization
SEM, XPS, AES, SIMS, LEED, FTIR, SERS, STM, AFM
• Electrochemical Cells & Kinetics
Equilibrium Constants, Cell Potentials, Electron transfer kinetics, Butler-Volmer Kinetics, Voltammetry, Fuel Cells
Experiments:
- Conductance of Solutions.
- Surface Tension of Solutions.
- Sedimentation Coefficient.
- Langmuir Blodgett Films.
- Diffusion.
Assessment Procedure:
|
Midterm (2) |
30 % |
|
Final |
40 % |
|
Lab |
30 % |
|
Total |
100 % |