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SUMMARY:Spherical Packing Phases of Block Copolymers - An-Chang Shi (McMas
 ter University)
DTSTART:20230822T110000Z
DTEND:20230822T113000Z
UID:TALK204004@talks.cam.ac.uk
DESCRIPTION:Recent experimental and theoretical studies have revealed that
  complex spherical packing phases\, such as the Frank-Kasper phases and qu
 asicrystals\, could form from block copolymers as stable or metastable pha
 ses. We have examined the emergence of complex spherical packing phases in
  block copolymer systems using the self-consistent field theory. Our study
  reveals that one key mechanism of forming complex spherical phases from b
 lock copolymers is the conformational asymmetry of the blocks. Furthermore
 \, we predicted that the segregation of different polymeric species in blo
 ck copolymer blends provides another mechanism to stabilize spherical pack
 ing phases with very different sized-spherical domains. Lessons learned fr
 om the study of block copolymers provide insights to the understanding of 
 self-assembly of various soft matter.
LOCATION:External
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