SURFACE CHEMICAL MODIFICATION OF NANOCRYSTALS
First Claim
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1. A method comprising:
- providing a plurality of nanocrystals, wherein the plurality of nanocrystals comprise organic ligands at surfaces of the plurality of nanocrystals; and
removing the organic ligands from the surfaces of the plurality of nanocrystals using a solution comprising a trialkyloxonium salt in a polar aprotic solvent, wherein removal of the organic ligands causes the plurality of nanocrystals to become a plurality of naked nanocrystals with cationic surfaces.
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Abstract
Nanocrystals comprising organic ligands at surfaces of the plurality of nanocrystals are provided. The organic ligands are removed from the surfaces of the nanocrystals using a solution comprising a trialkyloxonium salt in a polar aprotic solvent. The removal of the organic ligands causes the nanocrystals to become naked nanocrystals with cationic surfaces.
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Citations
30 Claims
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1. A method comprising:
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providing a plurality of nanocrystals, wherein the plurality of nanocrystals comprise organic ligands at surfaces of the plurality of nanocrystals; and removing the organic ligands from the surfaces of the plurality of nanocrystals using a solution comprising a trialkyloxonium salt in a polar aprotic solvent, wherein removal of the organic ligands causes the plurality of nanocrystals to become a plurality of naked nanocrystals with cationic surfaces. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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providing a dispersion comprising a plurality of nanocrystals in a polar aprotic solvent, wherein the plurality of nanocrystals are naked nanocrystals having cationic surfaces; adding a polymer comprising a nanocrystal tethering domain and porogenic domain to the dispersion; and forming an article having an ordered composite from the dispersion, the ordered composite comprising (i) a polymer matrix formed from the porogenic domain of the polymer and (ii) the plurality of nanocrystals embedded in the polymer matrix at the nanocrystal tethering domain. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A composition comprising:
a plurality of inorganic nanocrystals, wherein the plurality of inorganic nanocrystals are naked nanocrystals comprising ligand-stripped cationic surfaces. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
Specification