Boron nitride nanotubes
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United States of America Patent
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Jun 26, 2012
Grant Date -
May 7, 2009
app pub date -
May 14, 2008
filing date -
May 15, 2007
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Abstract
Boron nitride nanotubes are prepared by a process which includes:
- (a) creating a source of boron vapor;(b) mixing the boron vapor with nitrogen gas so that a mixture of boron vapor and nitrogen gas is present at a nucleation site, which is a surface, the nitrogen gas being provided at a pressure elevated above atmospheric, e.g., from greater than about 2 atmospheres up to about 250 atmospheres; and(c) harvesting boron nitride nanotubes, which are formed at the nucleation site.
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