Interfacial Engineering

ABOUT THE COURSE:The course is aimed to provide UG/PG students with a sufficient background on the subject to enable them to advance in their research. This course is designed to give the importance of surfaces and interfaces, especially fluid-fluid and fluid-solid interfaces and a theory-based understanding of the colloidal sciences applicable to the discipline. A demonstration of several techniques related to interfacial engineering is an additional highlight of this course.INTENDED AUDIENCE: PG and Final Year UG studentsINDUSTRY SUPPORT: Paint industries (Asian paints), Medical (Helix Medical, LLC), Pharmaceutical (Biolin), Surface engineering (FLUPOL)

Syllabus

Week 1: Importance of surfaces and interfaces; Capillarity and surface tensionWeek 2:Young-Dupre equation; Young-Laplace equation; Kelvin equation; Application of Young-DupreWeek 3:Concepts of Washburn approach; Concepts of adhesion, cohesion, and spreading coefficientWeek 4:Critical micelle concentration (CMC); critical packing parameter (CPP); Surface excessWeek 5:Gibbs adsorption isotherm equation; Deposition of LB films; Emulsion and microemulsionWeek 6:Particles/droplets tracking; Colloids; Intermolecular force; van der Waals forceWeek 7:Electrical double layer (EDL) interaction; Gouy-Chapman EDL Model; Stern EDL modelWeek 8:DLVO forces of interactions; Steric forces; Electrokinetic phenomena