Single walled carbon nanotube-based planar photodector
First Claim
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1. A single-walled carbon nanotube-based planar photodetector comprising:
- a substrate;
a self assembled monolayer (SAM) on the substrate in a form of a plurality of lines;
a first electrode and a second electrode disposed on the substrate and spaced apart from each other;
a plurality of single-walled carbon nanotubes, each of the plurality of single-walled carbon nanotubes contacting the first electrode and the second electrode, and the plurality of single-walled carbon nanotubes being aligned to closely contact a surface of the SAM; and
an adsorbent attached to a surface of at least one of the plurality of single-walled carbon nanotubes, wherein when irradiated with light, the adsorbent adsorbs either electrons or holes and p-dopes or n-dopes the at least one of the plurality of single-walled carbon nanotubes, and when not irradiated with light, the at least one of the plurality of single-walled carbon nanotubes is not p-doped or n-doped.
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Abstract
A single-walled carbon nanotube-based planar photodetector includes a substrate; a first electrode and a second electrode disposed on the substrate and spaced apart from each other; a plurality of single-walled carbon nanotubes, each of the plurality of single-walled carbon nanotubes contacting the first electrode and the second electrode; and an adsorbent attached to a surface of at least one of the plurality of single-walled carbon nanotubes, wherein the adsorbent is capable of doping the at least one of the plurality of single-walled carbon nanotubes by photo-excitation.
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19 Claims
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1. A single-walled carbon nanotube-based planar photodetector comprising:
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a substrate; a self assembled monolayer (SAM) on the substrate in a form of a plurality of lines; a first electrode and a second electrode disposed on the substrate and spaced apart from each other; a plurality of single-walled carbon nanotubes, each of the plurality of single-walled carbon nanotubes contacting the first electrode and the second electrode, and the plurality of single-walled carbon nanotubes being aligned to closely contact a surface of the SAM; and an adsorbent attached to a surface of at least one of the plurality of single-walled carbon nanotubes, wherein when irradiated with light, the adsorbent adsorbs either electrons or holes and p-dopes or n-dopes the at least one of the plurality of single-walled carbon nanotubes, and when not irradiated with light, the at least one of the plurality of single-walled carbon nanotubes is not p-doped or n-doped. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification