Unidirectional growth of single-walled carbon nanotubes

Hiroki Ago, Naoki Ishigami, Tetsushi Nishi, Ken Ichi Ikeda, Masaharu Tsuji, Tatsuya Ikuta, Koji Takahashi

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


Unidirectional growth of single-walled carbon nanotubes (SWNTs) was achieved using the patterned Co-Mo salt catalyst on the r-plane sapphire substrate. This is in marked contrast with the SWNTs grown on an a-plane sapphire and ST-cut quartz, on which the SWNTs grew bidirectionally. This new growth mode is not dependent on the gas flow and attributed to the asymmetric surface atomic arrangement of the sapphire surface.

Original languageEnglish
Pages (from-to)17264-17265
Number of pages2
JournalJournal of the American Chemical Society
Issue number51
Publication statusPublished - Dec 24 2008

All Science Journal Classification (ASJC) codes

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


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