Semi-quantitative study on the fabrication of densely packed and vertically aligned single-walled carbon nanotubes

Guo Fang Zhong, Takayuki Iwasaki, Hiroshi Kawarada

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

This paper presents, for the first time, a semi-quantitative study on the production of densely packed and vertically aligned (DPVA) single-walled carbon nanotubes (SWNTs) from ultra-thin catalytic films. An up-to-date highest volume density (60-70 kg m-3) and the corresponding high surface density on the order of 1016 m-2 of DPVA-SWNTs have been achieved by point-arc microwave plasma chemical vapor deposition. The precise thickness control of the sandwich-like catalytic nanostructure of 0.5 nm Al2O3/0.5 nm Fe/>5 nm Al2O3, developed by the authors, and a short-time (5 min) heat pretreatment of substrates at a temperature as low as 600 °C play the very key role in the process of fabricating DPVA-SWNTs.

Original languageEnglish
Pages (from-to)2009-2014
Number of pages6
JournalCarbon
Volume44
Issue number10
DOIs
Publication statusPublished - 2006 Aug 1

Keywords

  • Carbon nanotubes
  • Catalyst
  • Chemical vapor deposition
  • Density
  • Particle size

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

Fingerprint Dive into the research topics of 'Semi-quantitative study on the fabrication of densely packed and vertically aligned single-walled carbon nanotubes'. Together they form a unique fingerprint.

  • Cite this