Method, apparatus and use of an apparatus to separate metallic from semiconducting carbon nanotubes

Dielectrophoresis cell comprising at least two electrodes and a liquid dielectric is used to separate metallic and semiconductor carbon nanotubes. An independent claim is also included for separating metallic and semiconductor carbon nanotubes by suspending the nanotubes in a liquid whose dielectric...

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Bibliographic Details
Main Authors KRUPKE, RALPH DR, HENNRICH, FRANK
Format Patent
LanguageEnglish
French
German
Published 28.09.2005
Edition7
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS
TRANSPORTING
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Summary:Dielectrophoresis cell comprising at least two electrodes and a liquid dielectric is used to separate metallic and semiconductor carbon nanotubes. An independent claim is also included for separating metallic and semiconductor carbon nanotubes by suspending the nanotubes in a liquid whose dielectric constant is between that of the metallic nanotubes and that of the semiconductor nanotubes and applying an inhomogeneous alternating electric field to the suspension.
Bibliography:Application Number: EP20040004929