Instability and Patterning of Thin Polymer Films
Instability and Patterning of Thin Polymer Films. Instructor: Prof. R. Mukherjee, Department of Chemical Engineering, IIT Kharagpur. This course will expose students to the science of sub-micron, meso and nanoscale patterning of surfaces with special emphasis on thin soft films like gels, polymers etc. The course will focus on the different classes of thin film patterning techniques like the top down techniques (lithography), bottom up techniques (self assembly and self organization) as well as combination of the two (confined and template guided self organization) as well as focus on various engineering applications of the patterned thin films like super wetting and super hydrophobicity, structural color, metamaterials, super adhesives and easy release coatings, microfluidics etc. The course will be expose the students to the various soft lithography techniques and will focus on how hydrodynamics and capillarity plays and intriguingly critical role in evolution and pattern formation.
(from nptel.ac.in)
| Introduction |
| Lecture 01 - Introduction: Patterns |
| Lecture 02 - Applications of Patterned Surfaces, Introduction to Instability |
| Fundamental Concepts related to Surface and Surface Tension |
| Lecture 03 - Some Fundamental Surface Related Concepts |
| Lecture 04 - Surface Tension (in terms of Molecular Interactions) |
| Lecture 05 - Effect of Surface Tension: Laplace Pressure |
| Lecture 06 - Young-Laplace Equation |
| Lecture 07 - Rayleigh Instability |
| Meso Scale Fabrication Approaches and Self Assembly |
| Lecture 08 - Meso Scale Fabrication Approaches |
| Photolithography |
| Lecture 09 - Photolithography Processes: Wafer Cleaning, Photoresist Processing |
| Lecture 10 - Photoresist Processing: Photoresist, Dehydration and Priming, Resist Coating |
| Lecture 11 - Spin Coating, Soft Baking, Photo Mask |
| Lecture 12 - Photolithography Processes: Mask Alignment, Exposure, Development |
| Lecture 13 - Photolithography Processes: Development, Hard Bake, Etching, Resist Strip |
| Nano Imprint Lithography |
| Lecture 14 - Nano Imprint Lithography |
| Lecture 15 - Nano Imprint Lithography (cont.) |
| Soft Lithography |
| Lecture 16 - Soft Lithography: Basics and Key Concepts |
| Lecture 17 - Soft Lithography Stamp, Dust on Film Surface, Pattern Replication Mechanism |
| Lecture 18 - Soft Lithography Techniques: Replica Molding, Micromolding in Capillaries |
| Lecture 19 - MIMIC (cont.), Solvent Assisted Micromolding, Capillary Force Lithography |
| Lecture 20 - Capillary Force Lithography (cont.) |
| Lecture 21 - Step-Flash Imprint Lithography, Microcontact Printing |
| Atomic Force Microscope |
| Lecture 22 - Scanning Probe Microscopes, Scanning Tunneling Microscope, Atomic Force Microscope |
| Lecture 23 - Major Components of an AFM: Probes or Tips, Photodetector |
| Lecture 24 - Photodetector (cont.), Operational Aspects: Alignment and Approach |
| Lecture 25 - Scanning Modes: Contact Mode, Non-contact Mode, Intermittent Contact Mode |
| Lecture 26 - AFM: Beyond Topographic Imaging |
| Intermolecular Forces between Particles and Surfaces |
| Lecture 27 - Intermolecular Forces between Particles and Surfaces |
| Lecture 28 - Potential Energy of Interaction between Two Blocks |
| Lecture 29 - Self Interaction, Excess Free Energy of a Film |
| Lecture 30 - Pure Van der Waals Interaction, Attractive Interfacial Interaction, Derjaguin Approximation |
| Spontaneous Instability and Dewetting of Thin Polymer Film |
| Lecture 31 - Spontaneous Instability and Dewetting of Thin Polymer Film I |
| Lecture 32 - Spontaneous Instability and Dewetting of Thin Polymer Film II |
| Lecture 33 - Spontaneous Instability and Dewetting of Thin Polymer Film III |
| Lecture 34 - Spontaneous Instability and Dewetting of Thin Polymer Film IV |
| Lecture 35 - Spontaneous Instability and Dewetting of Thin Polymer Film V |
| Lecture 36 - Spontaneous Instability and Dewetting of Thin Polymer Film VI |
| Lecture 37 - Spontaneous Instability and Dewetting of Thin Polymer Film VII |
| Lecture 38 - Template Guided Dewetting |
| Lecture 39 - Elastic Contact Instability and Lithography |
| Lecture 40 - Gradient Surfaces |
| References |
Instability and Patterning of Thin Polymer Films
Instructor: Prof. R. Mukherjee, Department of Chemical Engineering, IIT Kharagpur. This course will expose students to the science of sub-micron, meso and nanoscale patterning of surfaces with special emphasis on thin soft films like gels, polymers etc.
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