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UID:2026091511553820180405T11300020180405T1300006aa9dafa08a04@uic.edu
CATEGORIES:MEETING
STATUS:TENTATIVE
DTSTAMP:20190616T045637
DTSTART:20180405T113000
DTEND:20180405T130000
SUMMARY:Chinedum Oseji, Yale University
DESCRIPTION:Single Crystals and Bespoke Textures in Self-Assembled Soft Materials  Hosted by: Vivek Sharma    We examine strategies for directing self-assembly in nanostructured soft materials to create single crystals and bespoke textures. Our work elucidates physical processes that are relevant for such directed self-assembly, in part by leveraging in situ scattering tools, with an overall goal of exploiting fundamental understanding to create useful materials or devices. In particular, we consider the use of magnetic fields and confinement effects for directed self-assembly of soft mesophases of block copolymers and discotic liquid crystals. The ability to produce highly ordered functional materials over macroscopic length scales is demonstrated. We explore the role of alignment and connectivity in creating materials with highly anisotropic ion transport, and in creating highly selective nanofiltration membranes  with uniformly aligned nanopores produced by molecular self-assembly. Application of orthogonal fields, and field processing across sequential phase transitions enables a novel realization of macroscopic single crystals of self-assembled mesophases with precisely specified texture. Recent progress on low field (sub-1 T) alignment and the associated potential to develop bespoke textures in block copolymers using local field screening are presented. | Event post: https://che.uic.edu/events?page_id=964
LOCATION:Chemical Engineering Building 810. S. Clinton St.  Chicago IL 60612
CLASS:PRIVATE
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