Journal
NANOTECHNOLOGY
Volume 20, Issue 50, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/20/50/505604
Keywords
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Funding
- NASA Langley Creativity and Innovation Program
- NASA Subsonic Fixed Wing program
- Thomas Jefferson National Accelerator Facility [DE-AC05-06OR23177]
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A new method for producing long, small-diameter, single- and few-walled, boron nitride nanotubes (BNNTs) in macroscopic quantities is reported. The pressurized vapor/condenser (PVC) method produces, without catalysts, highly crystalline, very long, small-diameter, BNNTs. Palm-sized, cotton-like masses of BNNT raw material were grown by this technique and spun directly into centimeters-long yarn. Nanotube lengths were observed to be 100 times that of those grown by the most closely related method. Self-assembly and growth models for these long BNNTs are discussed.
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