Aqueous dispersions of carbon nanotubes stabilized by zirconium acetate

Seiichi Furumi, Tetsuo Uchikoshi, Naoto Shirahata, Tohru S. Suzuki, Sakka Yoshio

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

This report describes a simple strategy for preparing dispersion of multi-walled carbon nanotubes (MWCNT5) in water. Zirconium acetate (ZrAc3) was used as a dispersant for the MWCNTs in water. Interestingly, an aqueous dispersion of MWCNTs was stabilized by adding an extremely small amount of ZrAc3, followed by ultrasonic agitation. The resultant MWCNT dispersion was durably retained even after storing at room temperature over 6 months. The dispersion state of MWCNTs on a substrate was observed by means of reflection optical and scanning electron microscopes. Furthermore, we demonstrated the effect of external high magnetic field on the orientation of MWCNTs on the substrate surface from the aqueous dispersion.

Original languageEnglish
Pages (from-to)662-665
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume9
Issue number1
DOIs
Publication statusPublished - 2009 Jan 1
Externally publishedYes

Keywords

  • Carbon nanotube
  • Dispersion
  • Magnetic field
  • Orientation
  • Water
  • Zirconia
  • Zirconium acetate

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

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