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AbstractA method for producing carbon nanotubes by contacting a carbon containing gas with metallic catalytic particles. The catalytic particles contain at least one metal from Group VIII, including for example Co, Ni, Ru, Rh, Pd, Ir, and Pt, and at least one metal from Group VIb including for example Mo, W and Cr. The metal component may be deposited on a support. Preferably, a substantial percentage of the nanotubes formed are single-walled carbon nanotubes. Further, a method for determining catalyst composition and reaction conditions for optimizing production of single-walled carbon nanotubes is also disclosed.Other References
| InventorsAssigneeApplicationNo. 389553 filed on 09/03/1999US Classes:423/447.3, From gaseous reactants423/445B, Fullerene (e.g., C60, C70, etc.)423/447.1Fiber, fabric, or textileField of Search423/445B, Fullerene (e.g., C60, C70, etc.)423/447.1, Fiber, fabric, or textile423/447.6, Including reaction with gaseous oxygen423/447.3From gaseous reactantsExaminersPrimary: Hendrickson, Stuart L.Attorney, Agent or FirmUS Patent References4663230, Carbon fibrils, method for producing same and compositions containing sameIssued on: 05/05/1987 Inventor: Tennent5165909, Carbon fibrils and method for producing same Issued on: 11/24/1992 Inventor: Tennent, et al.5227038, Electric arc process for making fullerenes Issued on: 07/13/1993 Inventor: Smalley, et al.5300203, Process for making fullerenes by the laser evaporation of carbon Issued on: 04/05/1994 Inventor: Smalley5482601, Method and device for the production of carbon nanotubes Issued on: 01/09/1996 Inventor: Ohshima, et al.5543378, Carbon nanostructures encapsulating palladium Issued on: 08/06/1996 Inventor: Wang5556517, Solar process for making fullerenes Issued on: 09/17/1996 Inventor: Smalley5560898, Process of isolating carbon nanotubes from a mixture containing carbon nanotubes and graphite particles Issued on: 10/01/1996 Inventor: Uchida, et al.5578543, Carbon fibrils, method for producing same and adhesive compositions containing same Issued on: 11/26/1996 Inventor: Tennent, et al.5587141, Method and device for the production of fullerenes Issued on: 12/24/1996 Inventor: Ohshima, et al.5591312, Process for making fullerene fibers Issued on: 01/07/1997 Inventor: Smalley5641466, Method of purifying carbon nanotubes Issued on: 06/24/1997 Inventor: Ebbesen, et al.5648056, Fullerene composite Issued on: 07/15/1997 Inventor: Tanaka5695734, Process for the separation of carbon nanotubes from graphite Issued on: 12/09/1997 Inventor: Ikazaki, et al.5698175, Process for purifying, uncapping and chemically modifying carbon nanotubes Issued on: 12/16/1997 Inventor: Hiura, et al.5707916, Carbon fibrils Issued on: 01/13/1998 Inventor: Snyder, et al.5744235, Process for preparing composite structures Issued on: 04/28/1998 Inventor: Creehan5753088, Method for making carbon nanotubes Issued on: 05/19/1998 Inventor: Olk5773834, Method of forming carbon nanotubes on a carbonaceous body, composite material obtained thereby and electron beam source element using same Issued on: 06/30/1998 Inventor: Yamamoto, et al.5780101, Method for producing encapsulated nanoparticles and carbon nanotubes using catalytic disproportionation of carbon monoxide Issued on: 07/14/1998 Inventor: Nolan, et al.5814290, Silicon nitride nanowhiskers and method of making same Issued on: 09/29/1998 Inventor: Niu, et al.5877110, Carbon fibrils Issued on: 03/02/1999 Inventor: Snyder, et al.5965267, Method for producing encapsulated nanoparticles and carbon nanotubes using catalytic disproportionation of carbon monoxide and the nanoencapsulates and nanotubes formed thereby Issued on: 10/12/1999 Inventor: Nolan, et al.5985232, Production of fullerenic nanostructures in flames Issued on: 11/16/1999 Inventor: Howard, et al.5997832Preparation of carbide nanorods Issued on: 12/07/1999 Inventor: Lieber, et al. Foreign Patent References
International ClassD01F 009/127 |