(3) Fundamentals of surface phenomena, characterization
of solid-vapor, solid-liquid and liquid-vapor interfaces, applications in ceramics, electronic and biomedical materials processing. P, A basic course in Physical Chemistry.
Instructor: Srini Raghavan, Professor of Materials Science and Engineering
Textbook: Hiemenz and Rajagopalan, Principles of Colloid and Surface Chemistry
Prerequisites by Topic: A basic course in Physical Chemistry
Topics to be covered:
Surface tension and surface free energy
Measurement and estimation of surface tension of liquids and solids
Theory of capillarity
Plan and curved interfaces
Laplace and Kelvin equations
Wettability of surfaces
Static and dynamic contact angles
Adhesion and cohesion
Control of wetting phenomena with surfactants
Adsorption phenomena at solid/liquid, solid/gas and liquid/gas interfaces
Gibbs adsorption equation
Microemulsions and micelles
Langmuir and BET theories of gas adsorption
Estimation of surface area and porosity of materials
Chemisorption phenomena
Electrical phenomena at solid/liquid interfaces
Concept of electrical double layer, surface potential, surface change and zeta potential
Importance of electrical phenomena in wafer cleaning, particulate deposition and filtration
Dispersion stability
Coagulation and flocculation
Grading
3 Tests
75%
1 Project
25%
OTHER TEXTS
R.J. Hunter, Foundations of Colloid Science, Vol. 1
A. Adamson, Physical Chemistry of Surfaces
G. Somorjai, Introduction to Surface Chemistry and Catalysis
W. Stumm, Chemistry of the Solid-Water Interface
Contribution to Professional Component:
Mathematics or Basic Science, credits
Engineering Science and Design, 3 credits
General Education, credits
Major Design Experience, credits
