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Title: Continuous growth of single-wall carbon nanotubes using chemical vapor deposition

The invention relates to a chemical vapor deposition process for the continuous growth of a carbon single-wall nanotube where a carbon-containing gas composition is contacted with a porous membrane and decomposed in the presence of a catalyst to grow single-wall carbon nanotube material. A pressure differential exists across the porous membrane such that the pressure on one side of the membrane is less than that on the other side of the membrane. The single-wall carbon nanotube growth may occur predominately on the low-pressure side of the membrane or, in a different embodiment of the invention, may occur predominately in between the catalyst and the membrane. The invention also relates to an apparatus used with the carbon vapor deposition process.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1163851
Assignee:
Honda Motor Co., Ltd. (Tokyo, JP) NREL
Patent Number(s):
8,840,724
Application Number:
12/236,144
Resource Relation:
Patent File Date: 2008 Sep 23
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY

Other works cited in this record:

Large-scale synthesis of single-wall carbon nanotubes by catalytic chemical vapor deposition (CCVD) method
journal, January 2000

A Simple and Complete Purification of Single-Walled Carbon Nanotube Materials
journal, November 1999

Catalytic growth of single-walled manotubes by laser vaporization
journal, September 1995

A scalable CVD method for the synthesis of single-walled carbon nanotubes with high catalyst productivity
journal, May 2000

Crystalline Ropes of Metallic Carbon Nanotubes
journal, July 1996

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