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US 11,891,558 B2Granted
Solid foam comprising mesogenic ligand-functionalized nanoparticles and methods of making and using the same
AssigneeThe Regents of the University of California
InventorsLinda Hirst, Tayebeh Riahinasab, Benjamin J. Stokes
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Abstract
Solid foam structures having multiple compartments comprising mesogenic ligand-functionalized nanoparticles are provided. Compositions that include these structures, as well as methods of making the structures are also provided. The structures, compositions and methods find use in a variety of applications, such as, photonics, luminescent coatings and multi-compartment encapsulation technologies.
Claims39
A composite comprising a multi-compartment solid foam comprising:
- mesogenic ligand-functionalized nanoparticles;
- an external wall;
- and
- a plurality of compartments each comprising an opening in the external wall.
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A method of producing a multi-compartment solid foam,
- wherein the multi-compartment solid foam comprises:
- mesogenic ligand-functionalized nanoparticles;
- an external wall;
- and
- a plurality of compartments each comprising an opening in the external wall,
- wherein the method comprises:
- dispersing mesogenic ligand-functionalized nanoparticles in a liquid crystalline liquid;
- inducing a phase transition from an isotropic phase to a nematic phase;
- and
- cooling the dispersion at a rate configured to produce the multi-compartment solid foam.
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Dependencies are inferred from the claim text.