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US 2025/0063850 A1Published application
Product, system, and method with silver nanostructures thin film for infrared photodetector
AssigneeNew York University
InventorsAyaskanta Sahu, Håvard Mølnås, Shlok Joseph Paul
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Abstract
A product comprises a thin film comprising metal nanostructures in an optically transparent polymer, wherein a loading of the metal nanostructures ranges from 5-50 wt % and having a sheet resistance less than 20 Ohm/sq. Related devices and methods are also disclosed.
Claims20
A product comprising:
- a thin film comprising metal nanostructures in an optically transparent polymer, wherein a loading of the metal nanostructures ranges from 5-50 wt % and having a sheet resistance less than 20 Ohm/sq.
An opto-electronic device, comprising:
- a bottom contact;
- a plurality of layers of semiconducting materials positioned over the bottom contact;
- and
- a top contact positioned over the semiconductor diode, the top contact comprising a thin film of an optically transparent polymer with a plurality of metal nanowires suspended therein;
- wherein a loading of the metal nanowires in the polymer thin film is between 5 and 50 wt %.
2 more elements
A method of fabricating a composite film, comprising:
- dissolving a quantity of an optically transparent polymer in a solvent under stirring;
- heating the dissolved quantity of polymer and solvent to form a polymer stock solution having a polymer concentration of 1-10% wt;
- adding a quantity of metal nanowires in a second stock solution to the polymer stock solution to form an metal nanowire polymer mixture;
- mixing the metal nanowire polymer mixture;
- depositing the metal nanowire polymer mixture onto a substrate to form a thin film;
- annealing the thin film;
- and
- vacuum drying the annealed thin film to form a composite film.
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Dependencies are inferred from the claim text.