Large Pore Size Nanoporous Materials from the Self-Assembly of Asymmetric Bottlebrush Block Copolymers

被引：187

作者：

Bolton, Justin ^{[1
]}

Bailey, Travis S. ^{[2
]}

Rzayev, Javid ^{[1
]}

机构：

[1] SUNY Buffalo, Dept Chem, Buffalo, NY 14260 USA

[2] Colorado State Univ, Dept Chem & Biol Engn, Ft Collins, CO 80523 USA

来源：

NANO LETTERS | 2011年 / 11卷 / 03期

基金：

美国国家科学基金会;

关键词：

Nanoporous materials; bottlebrush; block copolymers; self-assembly; polylactide; RADICAL POLYMERIZATION; TRIBLOCK COPOLYMER; WATER FILTRATION; POLYSTYRENE; MEMBRANES; BRUSHES; FILMS;

D O I：

10.1021/nl103747m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：998 / 1001

页数：4

共 29 条

[1]

Abetz V., 2005, BLOCK COPOLYMERS

[2] Block Copolymer Nanolithography: Translation of Molecular Level Control to Nanoscale Patterns [J].