Length fractionation of carbon nanotubes using centrifugation

被引：156
作者：
Fagan, Jeffrey A. [1 ]
Becker, Matthew L. [1 ]
Chun, Jaehun [1 ]
Hobbie, Erik K. [1 ]
机构：
[1] Natl Inst Stand & Technol, Div Polymers, Gaithersburg, MD 20899 USA
来源：
ADVANCED MATERIALS | 2008年 / 20卷 / 09期
关键词：
D O I：
10.1002/adma.200702353
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Scalable separation of single-walled carbon nanotubes (SWCNTs)by length and chirality is critical to the adaptation of these materials for applications. Ultracentrifugation of SWCNTs within a density gradient produces chiral separation of the NTs, and it is shown here that ultracentrifugation can also be used to produce length fractionated SWCNTs by exploiting their transient motion in response to applied centripetal acceleration.
引用
收藏
页码：1609 / +
页数：6
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