Separation of single-walled carbon nanotubes by electronic type using block copolymers
AssigneeNorthwestern University
InventorsMark C. Hersam, Alexander L. Antaris, Alexander A. Green
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Abstract
The separation of single-walled carbon nanotubes (SWNTs), by electronic type using centrifugation of compositions of SWNTs and surface active block copolymers in density gradient media.
Claims12
A composition comprising a mixture of single-walled carbon nanotubes, a fluid density gradient medium comprising iodixanol and at least one alkylene diamine-linked poly(alkylene oxide) block copolymer.
A composition comprising a mixture of semi-conducting and metallic single-walled carbon nanotubes, a fluid density gradient medium comprising iodixanol and one alkylene diamine-linked poly(ethylene oxide)-poly(propylene oxide) block copolymer.
Dependencies are inferred from the claim text.