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

Bailin Chen, John P. Selegue

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

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

Original languageEnglish
Pages (from-to)4774-4780
Number of pages7
JournalAnalytical Chemistry
Volume74
Issue number18
DOIs
StatePublished - Sep 15 2002

ASJC Scopus subject areas

  • Analytical Chemistry

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