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US 2026/0152640 A1Published application
Nanoparticle hydrogels
AssigneeKhalifa University of Science and Technology
InventorsTieJun ZHANG, Afra Saeed ALKETBI, Aikifa RAZA
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Abstract
A method of printing a hydrogel-based device includes contacting a monomer, a crosslinker, a photoinitiator, and a precursor salt with a solvent to form an ink solution, printing the ink solution onto a substrate, exposing the ink solution to light, sufficient to form a hydrogel, and contacting the hydrogel with a reducing agent sufficient to precipitate nanoparticles from the precursor salt in the hydrogel.
Claims20
A solar vapor generation device, comprising:
- a hydrogel foam layer;
- one or more first hydrogel layers, wherein the one or more first hydrogel layers are crosslinked;
- and
- one or more second hydrogel layers including nanoparticles.
1 more element
A solar vapor generation device, comprising:
- a hydrogel foam layer including poly(ethylene glycol) diacrylate;
- one or more first hydrogel layers including interconnected microchannels sufficient for water transport;
- and
- one or more second hydrogel layers including iron oxide nanoparticles.
1 more element
Dependencies are inferred from the claim text.