Hot wire production of single-wall carbon nanotubes
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United States of America Patent
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Issued Date -
Dec 30, 2004
app pub date -
Jun 14, 2004
filing date -
Dec 14, 2001
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Abstract
Apparatus (1) for producing a single wall carbon nanotube (12) may comprise a process chamber (16) and a hot wire (18) positioned within the process chamber (16). A power supply (20) operatively associated with the hot wire (18) heats the hot wire (18) to a process temperature. A gaseous carbon precursor material (14) operatively associated with the process chamber (16) provides carbon for forming the carbon nanotube (12). A metal catalyst material (24) contained within the process chamber (16) catalyzes the formation of the carbon nanotube (12). A process enhancement gas (22), such as hydrogen, may be employed.
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