Synthesis of single-walled carbon nanotubes using laser-vaporized metal nanoparticle catalyst

Masamichi Kohno, Teppei Kawahara, Masahiro Tomoda, Yasuyuki Takata, Shuhei Inoue, Shinzo Suzuki, Shigeo Maruyama

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

SWNTs were synthesized by laser-vaporized CCVD (catalytic chemical vapor deposition). The diameter distributions and the abundance of SWNTs synthesized at different temperatures and using different catalysts were investigated by Raman spectroscopy. Further, this technique was compared with other synthesis techniques (laser-oven and conventional-alcohol CCVD), and C60 was synthesized simultaneously as a byproduct only using the laser-oven technique. With increasing synthesis temperature, the diameter distribution shifted towards larger diameters, and the G/D ratio became larger as the synthesis temperature increased to 1000°C. Ni, Co, and Fe played a catalytic role, though Fe was less effective under our experimental conditions. The diameter distribution of SWNTs synthesized with the Fe catalyst was shifted to smaller values compared to those synthesized with Ni or Co catalysts.

Original languageEnglish
Pages (from-to)11-15
Number of pages5
JournalJournal of Mechanical Science and Technology
Volume25
Issue number1
DOIs
Publication statusPublished - Jan 1 2011

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Metal nanoparticles
Single-walled carbon nanotubes (SWCN)
Ovens
Catalysts
Lasers
Chemical vapor deposition
Temperature
Byproducts
Raman spectroscopy
Alcohols

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Synthesis of single-walled carbon nanotubes using laser-vaporized metal nanoparticle catalyst. / Kohno, Masamichi; Kawahara, Teppei; Tomoda, Masahiro; Takata, Yasuyuki; Inoue, Shuhei; Suzuki, Shinzo; Maruyama, Shigeo.

In: Journal of Mechanical Science and Technology, Vol. 25, No. 1, 01.01.2011, p. 11-15.

Research output: Contribution to journalArticle

Kohno, Masamichi ; Kawahara, Teppei ; Tomoda, Masahiro ; Takata, Yasuyuki ; Inoue, Shuhei ; Suzuki, Shinzo ; Maruyama, Shigeo. / Synthesis of single-walled carbon nanotubes using laser-vaporized metal nanoparticle catalyst. In: Journal of Mechanical Science and Technology. 2011 ; Vol. 25, No. 1. pp. 11-15.
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