Abstract
Asymmetric polystyrene-polylactide (PS-PLA) bottlebrush block copolymers have been shown to self-assemble into a cylindrical morphology with large domain spacings. PLA cylinders can be selectively etched out of the shear-aligned polymer monoliths to generate nanoporous materials with an average cylindrical pore diameter of 55 nm. The remaining bottlebrush backbone provides a functional, hydrophilic coating inside the nanopores. This methodology significantly expands the range of pore sizes attainable in block copolymer based nanoporous materials.
| Original language | English |
|---|---|
| Pages (from-to) | 998-1001 |
| Number of pages | 4 |
| Journal | Nano Letters |
| Volume | 11 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 9 2011 |
Keywords
- block copolymers
- bottlebrush
- Nanoporous materials
- polylactide
- self-assembly
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