Carbon nanotubes as nanoreactors for boriding iron nanowires

Weiqiang Han, Philipp Kohler-Redlich, Christina Scheu, Frank Ernst, Manfred Rühle, Nicole Grobert, Mauricio Terrones, Harold W. Kroto, David R.M. Walton

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


Boron oxide vapor was reacted with Fe-filled carbon nanotubes to form FexB-filled nanotubes with composition close to Fe3.5B. The synthesis of the FexB nanowires was performed in the presence of nitrogen at 1400 °C in a graphite crucible. The diameter of the nanowires was approximately that of the starting material due to the confinement of the reaction within the encapsulating nanotubes, and their length was typically in the hundred nanometers range. The inner carbon layer of the filled carbon tubes were converted into boron nitride layers by substitution. The experiment demonstrates the potential use of carbon nanotubes as nanoreactors and high aspect ratio templates.

Original languageEnglish (US)
Pages (from-to)1356-1359
Number of pages4
JournalAdvanced Materials
Issue number18
StatePublished - Sep 15 2000

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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