Method, arrangement and use of an arrangement for separating metallic carbon nanotubes from semi-conducting carbon nanotubes
First Claim
1. A method for separating metallic carbon nanotubes and semi-conducting carbon nanotubes, comprising:
- providing a suspension containing a plurality of individual metallic carbon nanotubes and semi-conducting carbon nanotubes in a liquid, for which the dielectric constant ε
L meets the requirement;
ε
M>
ε
L>
ε
H,wherein ε
M is the dielectric constant of the metallic carbon nanotubes and ε
H is the dielectric constant of the semi-conducting carbon nanotubes;
applying a non-homogeneous electric alternating field to the suspension to create spatially separate species of the metallic carbon nanotubes and the semi-conducting carbon nanotubes; and
removing at least one of the separate species.
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Abstract
A method for separating metallic carbon nanotubes and semi-conducting carbon nanotubes includes providing a suspension containing a plurality of individual metallic carbon nanotubes and semi-conducting carbon nanotubes in a liquid, for which the dielectric constant εL meets the requirement: εM>εL>εH, wherein εM is the dieletric constant of the metallic carbon nanotubes and εH is the dielectric constant of the semi-conducting carbon nanotubes. A a non-homogeneous electric alternating field is applied to the suspension to create spatially separate species of the metallic carbon nanotubes and the semi-conducting carbon nanotubes. At least one of the separate species is then removed.
31 Citations
9 Claims
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1. A method for separating metallic carbon nanotubes and semi-conducting carbon nanotubes, comprising:
-
providing a suspension containing a plurality of individual metallic carbon nanotubes and semi-conducting carbon nanotubes in a liquid, for which the dielectric constant ε
L meets the requirement;
ε
M>
ε
L>
ε
H,wherein ε
M is the dielectric constant of the metallic carbon nanotubes and ε
H is the dielectric constant of the semi-conducting carbon nanotubes;applying a non-homogeneous electric alternating field to the suspension to create spatially separate species of the metallic carbon nanotubes and the semi-conducting carbon nanotubes; and removing at least one of the separate species. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification