Finn Knut Hansen and Unni Olsbye: Surface and Nano Chemistry, 2006. These are the lecture slides in pdf-format as published in the Classfronter course room. The content of the course is given below:.
Part 1: Macroscopic surfaces
- Liquid/Gas and Liquid/liquid interfaces: Surface and interfacial tension, Interfacial tension - Molecular theory, The Young-Laplace equation, The Kelvin equation, Surface and interfacial tension - Measurements and physical conditions-
- Surface active substances - Surfactants: Adsorption on liquid surfaces, Spreading and monomolecular films, Emulsions and foams.
- Solid surfaces: Contact angles and wetting, Surface tension of solids, Adsorption from liquids on solid surfaces.
- Electrical properties: The origin of charges, The electric double layer, Electrokinetic phenomena.
- Attractive forces: Different types of forces, London dispersion forces, Attractive forces between surfaces.
- The Gas/Solid interface: Adsorption and Absorption, Adsorption isotherms, Porous materials, Adsoption methods, Energy of adsorption, Catalysis.
Part 2: Dispersed phases - Colloids and Nano particles
- Lyophobic colloids and nano particles: Formation mechanisms, Kinetic properties: Sedimentation and diffusion.
- Characterization: What to characterize?, Microscopy, Particle size distributions, Optical properties - Light scattering, Other methods for particle analysis.
- Colloidal stability: How to define stability?, Stability - thermodynamic considerations, The DLVO theory, Coagulation kinetics, Steric stabilization.
- Self assembly - association: Structure of micelles, Formation mechanisms of micelles, Measurement of the CMC, Solubility of micelles - Krafft point and cloud point, Surfactant structure and the CMC, Effect of additives, Structures and phase equilibria.
H.Walderhaug, F.K.Hansen, K.F.Grythe, U. Olsbye, et al.: Lab.course in Surface Chemistry, 2004. Lab.course notes as published in the Classfronter course room. There are 6 assignments as described below..
- 1. Critical Coagulation Concentrations: 1.1 Shulze-Hardy's rule, 1.2 Complex ions, 1.3 Polyelectrolytes
- 2. Surface Tension and Gibbs' Adsorption Isotherm
- 3. Emulsions: 3.1 Different factors that influence stability, 3.2 Drop size distribution by microscopy
- 4. Microelectrophoresis: Determination of electro-kinetic (zeta-) potential and the isoelectric point
- 5. Surfactants: 5.1 Determination of critical micelle concentration (c.m.c.), 5.2 Determination of phase equilibrium in ternary systems
- 6. BET isotherm
Textbook (voluntary, recommended)
Paul C. Hiemenz, Raj Rajagopalan: Principles of Colloid and Surface Chemistry, 1997. Marcel Dekker. ISBN: 0-8247-9397-8.