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US 2019/0291179 A1Published application
Multipod Nanostructures and Methods
AssigneeThe Florida State University Research Foundation, Inc.
InventorsParth Nalin Vakil, Geoffrey F. Strouse
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Abstract
Methods of forming metal multipod nanostructures. The methods may include providing a mixture that includes a metal acetylacetonate, a reducing agent, and a carboxylic acid. The mixture may be contacted with microwaves to form the metal multipod nanostructures. The methods may offer control over the structure and/or morphology of the metal multipod nano structures.
Claims20
A method of forming metal multipod nanostructures, the method comprising:
- providing a mixture disposed in a microwave reaction vessel, the mixture comprising
- a metal acetylacetonate,
- a reducing agent comprising a C1-C30 hydrocarbyl-amine, and
- a carboxylic acid of formula (A)
- wherein R is a monovalent C1-C30 hydrocarbyl;
- and
- contacting the mixture with microwaves to form the metal multipod nano structures.
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A method of forming metal multipod nanostructures, the method comprising:
- (i) providing a mixture disposed in a microwave reaction vessel, the mixture comprising (a) nickel acetylacetonate, (b) oleylamine, and (c) oleic acid,
- (ii) contacting the mixture with a first plurality of microwaves effective to heat the mixture to a first temperature, wherein the first temperature is about 260° C. to about 300° C.,
- (iii) reducing the first temperature of the mixture to a second temperature, wherein the second temperature is about 220° C. to about 250° C.,
- (iv) contacting the mixture with a second plurality of microwaves for a time effective to heat the mixture to the first temperature,
- (v) reducing the first temperature of the mixture to the second temperature, and
- (vi) contacting the mixture with the second plurality of microwaves for the time effective to heat the mixture to the first temperature to form the metal multipod nano structures;
- wherein the time effective to heat the mixture to the first temperature with the second plurality of microwaves is about 1 minute to about 20 minutes.
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Dependencies are inferred from the claim text.