Metal oxide-containing nanoparticles
First Claim
1. A metal oxide-containing composition, the composition comprising:
- metal oxide nanoparticles having a surface, the metal oxide nanoparticles described on average by Formula I;
M.xOy
I; and
one or more heteroatom donor ligands bonded to the surface of the nanoparticles, the donor ligands selected from the group consisting of pyrazole, imidazole, triazole, tetrazole, and combinations thereof,whereinM is a metal consisting of one or more of the following oxidation states;
+1, +2, +3, +4, +5, +6, +7, and +8;
O is oxygen; and
x and y are numbers having a ratio that is equal to the ratio of an average number of M atoms to an average number of O atoms in the nanoparticles, wherein the average number of M atoms is from about 10 to about 5×
1010 atoms and the average number of O atoms is at least about 0.01 times the number of M atoms.
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Abstract
The present invention provides a copper oxide-containing composition that includes copper oxide nanoparticles and one or more heteroatom donor ligands bonded to the surface of the nanoparticles, where x and y are numbers having a ratio that is equal to the ratio of the average number of M atoms to the average number of O atoms in the nanoparticles. The nanoparticles are stabilized by the one or more heteroatom donor ligands which act as a protective layer that cap the surface of the nanoparticles. The present invention also provides a solution of the copper oxide nanoparticles that may be applied to a substrate and then subsequently reduced to copper metal. Finally, the invention provides a method of preparing the copper oxide nanoparticles.
35 Citations
11 Claims
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1. A metal oxide-containing composition, the composition comprising:
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metal oxide nanoparticles having a surface, the metal oxide nanoparticles described on average by Formula I;
M.xOy
I; andone or more heteroatom donor ligands bonded to the surface of the nanoparticles, the donor ligands selected from the group consisting of pyrazole, imidazole, triazole, tetrazole, and combinations thereof, wherein M is a metal consisting of one or more of the following oxidation states;
+1, +2, +3, +4, +5, +6, +7, and +8;O is oxygen; and x and y are numbers having a ratio that is equal to the ratio of an average number of M atoms to an average number of O atoms in the nanoparticles, wherein the average number of M atoms is from about 10 to about 5×
1010 atoms and the average number of O atoms is at least about 0.01 times the number of M atoms.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A copper oxide-containing composition, the composition comprising:
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copper oxide nanoparticles having a surface, the metal oxide nanoparticles described on average by Formula II;
CuxOy
II; andone or more heteroatom donor ligands bonded to the surface of the nanoparticles, the donor ligands selected from the group consisting of pyrazole, imidazole, triazole, tetrazole, and combinations thereof, wherein Cu is copper; O is oxygen; and x and y are numbers having a ratio that is equal to the ratio of an average number of Cu atoms to an average number of O atoms in the nanoparticles, wherein the average number of Cu atoms is from about 10 to about 5×
1010 atoms and the average number of O atoms is at least about 0.01 times the number of Cu atoms.
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Specification