Synthesis of small diameter single-walled carbon nanotubes

Details Synthesis of small diameter single-walled carbon nanotubes Synthesis of small diameter single-walled carbon nanotubes

2011-03-08

2011-03-08

Johnson, Edward M (Department: 1736)

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C423S447500

Reexamination Certificate

active

07901654

ABSTRACT:
Methods, processes, and apparatuses for the large scale synthesis of single-walled carbon nanotubes having small diameters are provided. Metal catalysts having small diameter and narrow distribution of particle sizes are prepared and continuously injected as aerosols into a reactor. The metal catalysts are supported on supports that are substantially free of carbon, and the reactor is configured to control the flow of the gases such that the reaction time and contact of the reactants with the reactor walls can be controlled. Single-walled carbon nanotubes can be continuously synthesized at a large scale and with high yields, and with small diameters and with narrow diameter ranges.

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PCT International Search Report and Written Opinion, PCT/US06/17382, Dec. 12, 2008, 7 Pages.

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