Method for forming composites of sub-arrays of single-wall carbon nanotubes
First Claim
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1. A method of forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of at least about 106 single-wall carbon nanotubes into a composite array.
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Abstract
This invention relates generally to forming arrays of single-wall carbon nanotubes (SWNT). In one embodiment, the present invention involves forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of up to 106 single-wall carbon nanotubes into a composite array.
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10 Claims
- 1. A method of forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of at least about 106 single-wall carbon nanotubes into a composite array.
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5. A method of forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of at least about 106 single-wall carbon nanotubes into a composite array wherein the subarrays are made according to the method comprising:
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(a) providing at least about 106 single-wall carbon nanotubes of substantially similar length in the range between 50 to 500 nm;
(b) introducing a linking moiety onto at least one end of the single-wall carbon nanotubes;
(c) providing a substrate coated with a material to which the linking moiety will attach; and
(d) contacting the single-wall carbon nanotubes containing a linking moiety with the substrate, wherein the substrate comprises a substance selected from the group consisting of gold, mercury and indium-tin-oxide.
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6. A method of forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of at least about 106 single-wall carbon nanotubes into a composite array wherein the subarrays are made according to the method comprising:
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(a) providing at least about 106 single-wall carbon nanotubes of substantially similar length in the range between 50 to 500 nm;
(b) introducing a linking moiety onto at least one end of the single-wall carbon nanotubes;
(c) providing a substrate coated with a material to which the linking moiety will attach; and
(d) contacting the single-wall carbon nanotubes containing a linking moiety with the substrate, wherein the linking moiety comprises a moiety selected from the group consisting of —
S—
, —
S—
(CH2)n—
NH—
, and —
SiO3(CH2)3NH—
.
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7. A method of forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of least about 106 single-wall carbon nanotubes into a composite array wherein the subarrays are made according to the method comprising:
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(a) providing a nanoscale array of microwells on a substrate;
(b) depositing a metal catalyst in each of said microwells; and
(c) directing a stream of hydrocarbon or CO feedstock gas at said substrate under conditions that effect growth of single-wall carbon nanotubes from each microwell. - View Dependent Claims (8)
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9. A method of forming a macroscopic molecular array of tubular carbon molecules, said method comprising the step of assembling subarrays of at least about 106 single-wall carbon nanotubes into a composite array wherein the subarrays are made according to the method comprising:
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(a) providing a surface comprising purified single-wall carbon nanotube material;
(b) subjecting the surface to oxidizing conditions sufficient to cause short lengths of broken single-wall carbon nanotubes to protrude up from the surface; and
(c) applying an electric field to the surface to cause the single-wall carbon nanotubes to align in an orientation generally perpendicular to the surface and coalesce into an array. - View Dependent Claims (10)
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Specification