Nano-antenna and methods for its preparation and use
First Claim
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1. A method of manufacturing a nano-antenna, the method comprising:
- disposing a plurality of nanowires in a porous membrane, wherein each nanowire has a diameter; and
placing a monolayer of nanospheres electrically in series with the plurality of nanowires, wherein the nanospheres have substantially the same diameter as the nanowires.
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Abstract
Nano-antennas with a resonant frequency in the optical or near infrared region of the electromagnetic spectrum and methods of making the nano-antennas are described. The nano-antenna includes a porous membrane, a plurality of nanowires disposed in the porous membrane, and a monolayer of nanospheres each having a diameter that is substantially the same as a diameter of the nanowires. The nanospheres are electrically in series with the nanowires.
51 Citations
37 Claims
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1. A method of manufacturing a nano-antenna, the method comprising:
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disposing a plurality of nanowires in a porous membrane, wherein each nanowire has a diameter; and placing a monolayer of nanospheres electrically in series with the plurality of nanowires, wherein the nanospheres have substantially the same diameter as the nanowires. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A nano-antenna comprising:
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a porous membrane; a plurality of nanowires disposed in the porous membrane, wherein each nanowire has a diameter; and a monolayer of nanospheres electrically in series with the plurality of nanowires, wherein the nanospheres have substantially the same diameter as the nanowires. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method of manufacturing a tunable colorant, the method comprising:
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providing at least one nano-antenna, wherein the nano-antenna comprises; a porous membrane; a plurality of nanowires disposed in the porous membrane, wherein each nanowire has a diameter; and a monolayer of nanospheres electrically in series with the plurality of nanowires, wherein the nanospheres have substantially the same diameter as the nanowires; and placing at least one reactive element comprising nanospheres in electrical contact with the nano-antenna.
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32. A tunable colorant comprising:
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a nano-antenna comprising a porous membrane, a plurality of nanowires disposed in the porous membrane, wherein each nanowire has a diameter, and a monolayer of nanospheres electrically in series with the plurality of nanowires, wherein the nanospheres have substantially the same diameter as the nanowires; and a resistive element, wherein the colorant is configured to change color based on a resistance of the resistive element. - View Dependent Claims (33, 34, 35, 36, 37)
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Specification