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Title: Apparatus for the production of boron nitride nanotubes

Patent ·
OSTI ID:1134462

An apparatus for the large scale production of boron nitride nanotubes comprising; a pressure chamber containing; a continuously fed boron containing target; a source of thermal energy preferably a focused laser beam; a cooled condenser; a source of pressurized nitrogen gas; and a mechanism for extracting boron nitride nanotubes that are condensed on or in the area of the cooled condenser from the pressure chamber.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-060R23177
Assignee:
Jefferson Science Associates, LLC (Newport News, VA); The United States of America, as Represented by the Administrator of NASA (Washington, DC)
Patent Number(s):
8,753,578
Application Number:
12/322,591
OSTI ID:
1134462
Resource Relation:
Patent File Date: 2009 Feb 04
Country of Publication:
United States
Language:
English

References (12)

Process for making fullerenes by the laser evaporation of carbon patent April 1994
High energy laser beam dump patent September 2004
Manufacturing method of carbon nanotubes and laser irradiation target for the manufacture thereof patent February 2005
Beam dump for a very-high-intensity laser beam patent November 2011
Hot wire production of single-wall carbon nanotubes patent-application December 2004
Method for producing fullerenes patent-application June 2005
Apparatus and method for synthesizing carbon nanotubes patent-application May 2007
Separation and Purification of Fullerenes patent-application January 2009
Catalyst-free synthesis of boron nitride single-wall nanotubes with a preferred zig-zag configuration journal September 2001
Catalytic growth of single-walled manotubes by laser vaporization journal September 1995
Synthesis of boron nitride nanotubes by means of excimer laser ablation at high temperature journal April 1998
Pulsed Laser Ablation of Boron Nitride journal January 1995