Polymer Templates for Rapid, Large-Area Fabrication of Functional Films for Optical, Electronic, and Energy Device
Prof. Jim Watkins
Polymer Science and Engineering Department
University of Massachusetts Amherst
Wednesday, January 20, Webinar at 6:30 PM Pacific time
The production of next generation functional films, materials, and devices faces conflicting requirements between precise control over composition and structure at the micro or nanoscale, and scalable, cost-effective manufacturing. New incarnations of soft nanoimprint lithography, self-assembly using brush block copolymer templates, and photothermal processing in combination with new materials sets can meet these requirements by offering control of structure at multiple length scales, rapid conversions of patterned precursors to desired compositions, and high throughput. Advantages of brush block copolymers for the self-assembly of templates and precursor films lie in their underlying structure and physics and include rapid organization and access to domain sizes ranging from tens to several hundreds of nanometers. Imprinting of the self-assembled films to yield micron-scale, device level-features can be used to complete the hierarchical design. Applications to be discussed include hierarchical porous media, carbon-based supercapacitors, sub-millisecond photothermal fabrication of multi-layer graphene/carbon composite battery anodes and ceramic composites for energy applications, direct printing of micro-batteries, and brush block copolymer nanoparticle hybrids for one step coating of photonic materials.
Jim Watkins is Professor of Polymer Science & Engineering and Director of the Institute for Hierarchical Manufacturing at the University of Massachusetts, Amherst. Professor Watkins received his B.S. and M.S. degrees in Chemical Engineering from the Johns Hopkins University and his Ph.D. in Polymer Science and Engineering from the University of Massachusetts. He joined the Chemical Engineering faculty at UMass in 1996 and the Polymer Science and Engineering faculty in 2005. He is the recipient of a Camille Dreyfus Teacher-Scholar Award and a David and Lucile Packard Foundation Fellowship for Science and Engineering, and is a Fellow of the American Physical Society.
EVENT DATE: Wednesday, January 20
Registration deadline: Monday, January 18, 1:00 PM.
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