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US 10,950,849 B2Granted
Hybrid materials and nanocomposite materials, methods of making same, and uses thereof
AssigneeCornell University
InventorsLynden A. Archer, Zichao Yang, Shyamal Kumar Das
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Abstract
Hybrid materials and nanocomposite materials, methods of making and using such materials. The nanoparticles of the nanocomposite are formed in situ during pyrolysis of a hybrid material comprising metal precursor compounds. The nanoparticles are uniformly distributed in the carbon matrix of the nanocomposite. The nanocomposite materials can be used in devices such as, for example, electrodes and on-chip inductors.
Claims18
A method for forming a material comprising the steps of:
- contacting one or more monomers, wherein at least one of the one or more monomers is a cross-linking monomer,
- one or more metal precursor compounds comprising a polymerizable group,
- an initiator,
- a surfactant,
- one or more organic solvents, and
- water,
- such that a reaction mixture that is an aqueous emulsion is formed,
- wherein the metal precursor compounds are present at 10 to 90% by weight of the reaction mixture,
- heating the reaction mixture such that the metal precursor compounds are copolymerized with one or more monomers wherein the reaction between the polymerizable groups of one or more metal precursor compounds and the one or more monomers forms a hybrid material comprising a plurality of uniformly dispersed metal precursor compounds chemically bonded to the polymer matrix and, optionally, isolating the hybrid material, and
- pyrolysing the hybrid material such that a nanocomposite material comprising a plurality of nanoparticles embedded in a carbon matrix is formed, the nanoparticles being formed from the metal component of the one or more metal precursor compounds.
7 more elements
Dependencies are inferred from the claim text.