Magnetic carbon nanotube cluster systems and methods
First Claim
1. A method comprising:
- receiving a magnetic particle;
forming a plurality of carbon nanotube catalyst nanoparticles on an outer surface of the magnetic particle; and
forming a plurality of carbon nanotubes extending from the catalyst nanoparticles while the magnetic particle is levitated within a nanotube growth chamber to form a magnetic carbon nanotube cluster, wherein the forming the plurality of carbon nanotubes extending from the catalyst nanoparticles comprises controlling a magnetic field generator to levitate the magnetic particles in a growth region of the nanotube growth chamber, and wherein the growth region comprises a carrier gas configured to supply carbon atoms to form the plurality of carbon nanotubes.
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Abstract
Techniques are disclosed for systems and methods to provide magnetic carbon nanotube clusters configured to form electrically conductive coatings. A magnetic carbon nanotube cluster is formed by receiving a magnetic particle, forming a plurality of carbon nanotube catalyst nanoparticles on an outer surface of the magnetic particle, and forming a plurality of carbon nanotubes extending from the catalyst nanoparticles while the magnetic particle is levitated within a nanotube growth chamber to form the magnetic carbon nanotube cluster. A plurality of magnetic carbon nanotube clusters are suspended in a carrier fluid, the carrier fluid is flowed over a surface of an object, and a magnetic field is applied to the carrier fluid while it is flowing over the surface to cause the plurality of magnetic carbon nanotube clusters to form a coating on the surface of the object.
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Citations
20 Claims
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1. A method comprising:
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receiving a magnetic particle; forming a plurality of carbon nanotube catalyst nanoparticles on an outer surface of the magnetic particle; and forming a plurality of carbon nanotubes extending from the catalyst nanoparticles while the magnetic particle is levitated within a nanotube growth chamber to form a magnetic carbon nanotube cluster, wherein the forming the plurality of carbon nanotubes extending from the catalyst nanoparticles comprises controlling a magnetic field generator to levitate the magnetic particles in a growth region of the nanotube growth chamber, and wherein the growth region comprises a carrier gas configured to supply carbon atoms to form the plurality of carbon nanotubes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device comprising:
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an object comprising a surface; and a coating of magnetic carbon nanotube clusters (MCNCs) formed on the surface, wherein each MCNC of the coating of MCNCs comprises a plurality of carbon nanotube catalyst nanoparticles formed on an outer surface of a magnetic particle and a plurality of carbon nanotubes extending from the catalyst nanoparticles and formed while the magnetic particle is levitated within a nanotube growth chamber, wherein the plurality of carbon nanotubes extending from the catalyst nanoparticles are formed by controlling a magnetic field generator to levitate the magnetic particles in a growth region of the nanotube growth chamber, and wherein the growth region comprises a carrier gas configured to supply carbon atoms to form the plurality of carbon nanotubes. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification