Chromatographic size separation of single-wall carbon nanotubes

被引：162

作者：

Duesberg, GS

Muster, J

Krstic, V

Burghard, M

Roth, S

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[2] Trinity Coll, Dublin 2, Ireland

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1998年 / 67卷 / 01期

关键词：

PACS: 81.05.Tp; 82.70.-y; 82.80.Bg;

D O I：

10.1007/s003390050747

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The efficient purification of single-wall carbon nanotubes (SWNTs) is reported. Carbon nanospheres, metal particles, and amorphous carbon could be successfully removed by size exclusion chromatography (SEC) applied to surfactant stabilised dispersions of SWNT raw material. In addition, length separation of the tubes was achieved. The SWNTs obtained can be adsorbed in high densities onto chemically modified substrates. As determined by AFM investigations, the purified material consists of about equal fractions of both individual SWNTS and ropes of SWNTs.

引用

页码：117 / 119

页数：3

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