Methods and compositions for the separation of single-walled carbon nanotubes
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United States of America Patent
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Nov 12, 2013
Grant Date -
Nov 15, 2012
app pub date -
Jul 18, 2012
filing date -
Apr 1, 2011
priority date (Note) -
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Abstract
Embodiments herein describe a composition including at least one water-soluble complex having a water-soluble separation agent including a planar portion, at least one pi electron on the planar portion and at least one electron withdrawing group; and a semiconducting single-walled carbon nanotube in an aqueous solution. Further embodiments describe a method of separating metallic single-walled carbon nanotubes and semiconducting single-walled carbon nanotubes including providing carbon nanotubes having an admixture of semiconducting single-walled carbon nanotubes and metallic single-walled carbon nanotubes; and combining the admixture with a water-soluble separation agent in an aqueous solution to form a mixture, in which the water-soluble separation agent includes a planar portion, at least one pi electron on the planar portion and at least one electron withdrawing group.
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International Classification(s)
- D01C:CHEMICAL TREATMENT OF NATURAL FILAMENTARY OR FIBRO....
- B03B:SEPARATING SOLID MATERIALS USING LIQUIDS OR USING ....
- B07B:SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENIN....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
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