Journal
NANO LETTERS
Volume 11, Issue 3, Pages 998-1001Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl103747m
Keywords
Nanoporous materials; bottlebrush; block copolymers; self-assembly; polylactide
Categories
Funding
- National Science Foundation [DMR-0846584]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0821799, 846584] Funding Source: National Science Foundation
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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 SS 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.
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