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Chemistry
Applied and Interdisciplinary Chemistry
Surface and Colloid Chemistry
1. Introduction to Surface and Colloid Science
2. The Liquid Interface
3. The Solid Interface
4. Colloidal Dispersions
5. Properties of Colloidal Systems
6. Stability of Colloidal Systems
7. Surfactants and Self-Assembly
8. Applications of Surface and Colloid Chemistry
The Liquid Interface
Surface Tension and Interfacial Tension
Definition of Surface Tension
Definition of Interfacial Tension
Molecular Origin of Surface Tension
Cohesive Forces
Role of Hydrogen Bonding
Surface Free Energy and Its Relation to Tension
Young-Laplace Equation
Derivation and Physical Meaning
Applications to Bubbles and Drops
Measurement of Surface and Interfacial Tension
Capillary Rise Method
Principle and Setup
Calculation of Surface Tension
Limitations and Sources of Error
Wilhelmy Plate Method
Principle and Procedure
Data Interpretation
Du Noüy Ring Method
Principle and Procedure
Corrections and Calibration
Drop Weight Method
Principle and Calculations
Drop Volume Method
Principle and Calculations
Pendant Drop Analysis
Image Analysis Techniques
Contact Angle Measurement
Sessile Drop Analysis
Image Analysis Techniques
Contact Angle Measurement
Capillarity and Wetting Phenomena
Capillary Action and Its Causes
Contact Angle
Definition and Measurement
Factors Affecting Contact Angle
Young's Equation
Derivation and Applications
Wetting Phenomena
Complete Wetting
Partial Wetting
Non-wetting
Spreading
Spreading Coefficient
Dynamic Spreading
Dewetting
Mechanisms and Applications
Thermodynamics of Liquid Surfaces
Gibbs Adsorption Isotherm
Derivation and Interpretation
Applications to Surfactant Adsorption
Surface Excess Concentration
Definition and Calculation
Experimental Determination
Monolayers and Langmuir Films
Formation of Insoluble Monolayers
Surface Pressure-Area Isotherms
Interpretation of Isotherms
Phase Transitions in Monolayers
Langmuir-Blodgett Troughs
Principle and Operation
Film Deposition Techniques
Applications of Langmuir-Blodgett Films
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1. Introduction to Surface and Colloid Science
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3. The Solid Interface