High resolution capillary electrophoresis of carbon nanotubes

Stephen K. Doorn, Robert E. Fields, Hui Hu, Mark A. Hamon, Robert C. Haddon, John P. Selegue, Vahid Majidi

Research output: Contribution to journalArticlepeer-review

143 Scopus citations

Abstract

Purification of single-walled carbon nanotubes by capillary electrophoresis (CE) is demonstrated. Real-time Raman spectroscopy of the separation process and single-wavelength UV/vis detection show the ability of CE to provide high-resolution separations of nanotube fractions with baseline separation. AFM images of collected fractions demonstrate that separations are based on tube length. The separation method is suggested to be based on alignment of the nanotubes along the separation field.

Original languageEnglish
Pages (from-to)3169-3174
Number of pages6
JournalJournal of the American Chemical Society
Volume124
Issue number12
DOIs
StatePublished - Mar 27 2002

ASJC Scopus subject areas

  • Catalysis
  • Chemistry (all)
  • Biochemistry
  • Colloid and Surface Chemistry

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