Evolution of ordered block copolymer serpentines into a macroscopic, hierarchically ordered web**

Suck Won Hong, Jun Wang, Zhiqun Lin

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Polymer coffee rings: Evaporation of diblock copolymer solutions confined in a sphere-on-flat geometry yields concentric serpentine microstructures over large areas (see picture, left). Selective solvent vapor annealing then transforms these microstructures into a macroscopic pattern of regularly arranged microporous mesh arrays (see picture, right) while at the same time forming domains of nanoscopic cylinders of diblock copolymer.

Original languageEnglish
Pages (from-to)8356-8360
Number of pages5
JournalAngewandte Chemie - International Edition
Volume48
Issue number44
DOIs
StatePublished - 19 Oct 2009

Keywords

  • Block copolymers
  • Hierarchically ordered structures
  • Self-assembly
  • Surface patterning

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