Separation and characterization of single-walled and multiwalled carbon nanotubes by using flow field-flow fractionation

被引：56

作者：

Chen, BL

Selegue, JP ^{[1
]}

机构：

[1] Univ Kentucky, Dept Chem, Lexington, KY 40506 USA

[2] Univ Kentucky, NSF MRSEC Adv Carbon Mat Ctr, Lexington, KY 40506 USA

来源：

ANALYTICAL CHEMISTRY | 2002年 / 74卷 / 18期

关键词：

D O I：

10.1021/ac020111b

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Oxidatively shortened single-walled and multiwalled carbon nanotubes were characterized by using flow field-flow fractionation (FIFFF) under normal and steric modes, respectively. Narrow size fractions were collected from FIFFF separations. The carbon nanotubes in each fraction were further characterized by using scanning and transmission electron microscopy. FIFFF separates carbon nanotubes principally on the basis of length, leading to fractions with relatively uniform lengths. The relationship between nanotube length and FIFFF elution volume is discussed.

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页码：4774 / 4780

页数：7

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