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 language | English |
---|---|
Pages (from-to) | 8356-8360 |
Number of pages | 5 |
Journal | Angewandte Chemie - International Edition |
Volume | 48 |
Issue number | 44 |
DOIs | |
State | Published - 19 Oct 2009 |
Keywords
- Block copolymers
- Hierarchically ordered structures
- Self-assembly
- Surface patterning