Chirality-dependent changes in the density of single-walled carbon nanotubes oxidized by tetrachloroaurate

Yuichi Kato, Yasuro Niidome, Naotoshi Nakashima

Research output: Contribution to journalArticle

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Abstract

Density change of single-walled carbon nanotubes (SWCNTs) with tetrachloroaurate enables chirality sorting of the SWCNTs. In this study, we examined in detail about the density change behavior of individually solubilized (n,m)-SWCNTs caused by tetrachloroaurate using density gradients centrifugation and vis-near IR absorption spectroscopy. The (7,5)-, (8,4)- and (8,3)- SWCNTs showed a linear relationship between the density and the degree of the oxidation of the corresponding SWCNTs. Although the (6,5)-SWCNTs was hardly oxidized by tetrachloroaurate, their density increased by the addition of tetrachloroaurate.

Original languageEnglish
Pages (from-to)524-529
Number of pages6
JournalMolecular Crystals and Liquid Crystals
Volume539
DOIs
Publication statusPublished - Jun 1 2011

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Chirality
Single-walled carbon nanotubes (SWCN)
chirality
carbon nanotubes
Centrifugation
classifying
Absorption spectroscopy
Sorting
Infrared spectroscopy
absorption spectroscopy
Oxidation
gradients
oxidation

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Chirality-dependent changes in the density of single-walled carbon nanotubes oxidized by tetrachloroaurate. / Kato, Yuichi; Niidome, Yasuro; Nakashima, Naotoshi.

In: Molecular Crystals and Liquid Crystals, Vol. 539, 01.06.2011, p. 524-529.

Research output: Contribution to journalArticle

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