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- Ruoff, Rodney S.
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CVD growth of boron nitride nanotubes
- Author(s)
- Lourie, OR, Jones, CR, Bartlett, BM, Gibbons, PC, Ruoff, RS, Buhro, WE
- Issued Date
- 2000-07
- Citation
- CHEMISTRY OF MATERIALS, v.12, no.7, pp.1808
- Abstract
- Multiwalled BN nanotubes are grown from nickel boride catalyst particles by chemical vapor deposition at 1000-1100 degrees C using borazine, B3N3H6, as the precursor. This precursor is generated in situ from molten salt that forms from mixtures of (NH4)(2)SO4, NaBH4, and Co3O4 at 300-400 degrees C. The BN nanotubes have concentric-tube structures, are free of internal closures, have crystalline walls, and exhibit lengths of up to similar to 5 mu m. The nanotubes often possess bulbous, flag-like, or club-like tip closures. A root-growth mechanism is proposed for the catalyzed process.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 0897-4756
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