Patent
US 10,741,707GRAPHENE-CONTACTED NANOTUBE PHOTODETECTOR
Abram L. Falk
US
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US 10,741,707Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a carbon nanotube film is formed in accordance with an …
FIG. 2 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an electrode is formed on a substrate in accordance …
FIG. 3 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is transferred to the electrode …
FIG. 4 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a transferring membrane is removed in accordance with …
FIG. 5 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is etched to size in accordance …
FIG. 6 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene film is transferred to the carbon nanotube …
FIG. 7 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an insulator layer is formed on the carbon nanotube film …
FIG. 8 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene gate is transferred to the insulator layer …
FIG. 9 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where electrodes are formed on the graphene films in …
FIG. 10 is a block/flow diagram of a method of forming a carbon nanotube photodetector in accordance with an embodiment of the present invention; [0018]
FIG. 11 is a block/flow diagram of a method of determining light intensity using a carbon nanotube photodetector in accordance with an embodiment of the present …
FIG. 12 is a cross-sectional diagram of an alternative embodiment of a carbon nanotube photodetector that is sensitive to light from two different directions in …
FIG. 13 is a block/flow diagram of a method of forming a carbon nanotube photodetector that is sensitive to light from two different directions in accordance …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photodetector, comprising: a first electrode; a carbon nanotube film formed on the first electrode, comprising a plurality of carbon nanotubes that are aligned in parallel and having a same length; a first graphene sheet formed on the carbon nanotube film; a second graphene sheet configured to exert an electrical field on the first graphene sheet that changes an electrical property of the first graphene sheet. Currently amended
The photodetector of claim 1, further comprising an insulator layer directly between the first graphene sheet and the second graphene sheet. Original
The photodetector of claim 1, wherein the second graphene sheet is positioned between the first graphene sheet and a light source. Original
The photodetector of claim 1, wherein the first electrode is a third graphene sheet. Original
Canceled
10-20. Canceled
Canceled
A photodetector, comprising: a first electrode, formed from a first graphene sheet; a carbon nanotube film formed on the first electrode; a second graphene sheet formed on the carbon nanotube film; a third graphene sheet configured to exert an electrical field on the second graphene sheet that changes an electrical property of the second graphene sheet; and a fourth graphene sheet between the first graphene sheet and the carbon nanotube film, wherein the first graphene sheet is configured to exert an electrical field on the fourth graphene sheet that changes an electrical property of the fourth graphene sheet. New
The photodetector of claim 21, further comprising an insulator layer directly between the second graphene sheet and the third graphene sheet. New
The photodetector of claim 21, wherein the third graphene sheet is positioned between the second graphene sheet and a light source. New
The photodetector of claim 21, wherein the carbon nanotube film comprises a plurality of carbon nanotubes that are aligned in parallel and having a same length. New
The photodetector of claim 21, wherein the first graphene sheet is on a substrate that is transparent to a wavelength that the carbon nanotube film is responsive to. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene-contacted nanotube photodetector (claims 1-9)
graphene-contacted nanotube photodetector (claims 21-27)
Materials described outside the worked examples.
carbon nanotube film
graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 30–500 nm | — |
Temperature | 80–204 °C |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,741,707Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a carbon nanotube film is formed in accordance with an …
FIG. 2 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an electrode is formed on a substrate in accordance …
FIG. 3 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is transferred to the electrode …
FIG. 4 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a transferring membrane is removed in accordance with …
FIG. 5 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is etched to size in accordance …
FIG. 6 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene film is transferred to the carbon nanotube …
FIG. 7 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an insulator layer is formed on the carbon nanotube film …
FIG. 8 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene gate is transferred to the insulator layer …
FIG. 9 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where electrodes are formed on the graphene films in …
FIG. 10 is a block/flow diagram of a method of forming a carbon nanotube photodetector in accordance with an embodiment of the present invention; [0018]
FIG. 11 is a block/flow diagram of a method of determining light intensity using a carbon nanotube photodetector in accordance with an embodiment of the present …
FIG. 12 is a cross-sectional diagram of an alternative embodiment of a carbon nanotube photodetector that is sensitive to light from two different directions in …
FIG. 13 is a block/flow diagram of a method of forming a carbon nanotube photodetector that is sensitive to light from two different directions in accordance …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photodetector, comprising: a first electrode; a carbon nanotube film formed on the first electrode, comprising a plurality of carbon nanotubes that are aligned in parallel and having a same length; a first graphene sheet formed on the carbon nanotube film; a second graphene sheet configured to exert an electrical field on the first graphene sheet that changes an electrical property of the first graphene sheet. Currently amended
The photodetector of claim 1, further comprising an insulator layer directly between the first graphene sheet and the second graphene sheet. Original
The photodetector of claim 1, wherein the second graphene sheet is positioned between the first graphene sheet and a light source. Original
The photodetector of claim 1, wherein the first electrode is a third graphene sheet. Original
Canceled
10-20. Canceled
Canceled
A photodetector, comprising: a first electrode, formed from a first graphene sheet; a carbon nanotube film formed on the first electrode; a second graphene sheet formed on the carbon nanotube film; a third graphene sheet configured to exert an electrical field on the second graphene sheet that changes an electrical property of the second graphene sheet; and a fourth graphene sheet between the first graphene sheet and the carbon nanotube film, wherein the first graphene sheet is configured to exert an electrical field on the fourth graphene sheet that changes an electrical property of the fourth graphene sheet. New
The photodetector of claim 21, further comprising an insulator layer directly between the second graphene sheet and the third graphene sheet. New
The photodetector of claim 21, wherein the third graphene sheet is positioned between the second graphene sheet and a light source. New
The photodetector of claim 21, wherein the carbon nanotube film comprises a plurality of carbon nanotubes that are aligned in parallel and having a same length. New
The photodetector of claim 21, wherein the first graphene sheet is on a substrate that is transparent to a wavelength that the carbon nanotube film is responsive to. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene-contacted nanotube photodetector (claims 1-9)
graphene-contacted nanotube photodetector (claims 21-27)
Materials described outside the worked examples.
carbon nanotube film
graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 30–500 nm | — |
Temperature | 80–204 °C |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,741,707Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a carbon nanotube film is formed in accordance with an …
FIG. 2 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an electrode is formed on a substrate in accordance …
FIG. 3 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is transferred to the electrode …
FIG. 4 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a transferring membrane is removed in accordance with …
FIG. 5 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is etched to size in accordance …
FIG. 6 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene film is transferred to the carbon nanotube …
FIG. 7 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an insulator layer is formed on the carbon nanotube film …
FIG. 8 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene gate is transferred to the insulator layer …
FIG. 9 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where electrodes are formed on the graphene films in …
FIG. 10 is a block/flow diagram of a method of forming a carbon nanotube photodetector in accordance with an embodiment of the present invention; [0018]
FIG. 11 is a block/flow diagram of a method of determining light intensity using a carbon nanotube photodetector in accordance with an embodiment of the present …
FIG. 12 is a cross-sectional diagram of an alternative embodiment of a carbon nanotube photodetector that is sensitive to light from two different directions in …
FIG. 13 is a block/flow diagram of a method of forming a carbon nanotube photodetector that is sensitive to light from two different directions in accordance …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photodetector, comprising: a first electrode; a carbon nanotube film formed on the first electrode, comprising a plurality of carbon nanotubes that are aligned in parallel and having a same length; a first graphene sheet formed on the carbon nanotube film; a second graphene sheet configured to exert an electrical field on the first graphene sheet that changes an electrical property of the first graphene sheet. Currently amended
The photodetector of claim 1, further comprising an insulator layer directly between the first graphene sheet and the second graphene sheet. Original
The photodetector of claim 1, wherein the second graphene sheet is positioned between the first graphene sheet and a light source. Original
The photodetector of claim 1, wherein the first electrode is a third graphene sheet. Original
Canceled
10-20. Canceled
Canceled
A photodetector, comprising: a first electrode, formed from a first graphene sheet; a carbon nanotube film formed on the first electrode; a second graphene sheet formed on the carbon nanotube film; a third graphene sheet configured to exert an electrical field on the second graphene sheet that changes an electrical property of the second graphene sheet; and a fourth graphene sheet between the first graphene sheet and the carbon nanotube film, wherein the first graphene sheet is configured to exert an electrical field on the fourth graphene sheet that changes an electrical property of the fourth graphene sheet. New
The photodetector of claim 21, further comprising an insulator layer directly between the second graphene sheet and the third graphene sheet. New
The photodetector of claim 21, wherein the third graphene sheet is positioned between the second graphene sheet and a light source. New
The photodetector of claim 21, wherein the carbon nanotube film comprises a plurality of carbon nanotubes that are aligned in parallel and having a same length. New
The photodetector of claim 21, wherein the first graphene sheet is on a substrate that is transparent to a wavelength that the carbon nanotube film is responsive to. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene-contacted nanotube photodetector (claims 1-9)
graphene-contacted nanotube photodetector (claims 21-27)
Materials described outside the worked examples.
carbon nanotube film
graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 30–500 nm | — |
Temperature | 80–204 °C |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,741,707Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a carbon nanotube film is formed in accordance with an …
FIG. 2 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an electrode is formed on a substrate in accordance …
FIG. 3 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is transferred to the electrode …
FIG. 4 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a transferring membrane is removed in accordance with …
FIG. 5 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where the carbon nanotube film is etched to size in accordance …
FIG. 6 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene film is transferred to the carbon nanotube …
FIG. 7 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where an insulator layer is formed on the carbon nanotube film …
FIG. 8 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where a graphene gate is transferred to the insulator layer …
FIG. 9 is a cross-sectional diagram of a step in the formation of a carbon nanotube photodetector where electrodes are formed on the graphene films in …
FIG. 10 is a block/flow diagram of a method of forming a carbon nanotube photodetector in accordance with an embodiment of the present invention; [0018]
FIG. 11 is a block/flow diagram of a method of determining light intensity using a carbon nanotube photodetector in accordance with an embodiment of the present …
FIG. 12 is a cross-sectional diagram of an alternative embodiment of a carbon nanotube photodetector that is sensitive to light from two different directions in …
FIG. 13 is a block/flow diagram of a method of forming a carbon nanotube photodetector that is sensitive to light from two different directions in accordance …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photodetector, comprising: a first electrode; a carbon nanotube film formed on the first electrode, comprising a plurality of carbon nanotubes that are aligned in parallel and having a same length; a first graphene sheet formed on the carbon nanotube film; a second graphene sheet configured to exert an electrical field on the first graphene sheet that changes an electrical property of the first graphene sheet. Currently amended
The photodetector of claim 1, further comprising an insulator layer directly between the first graphene sheet and the second graphene sheet. Original
The photodetector of claim 1, wherein the second graphene sheet is positioned between the first graphene sheet and a light source. Original
The photodetector of claim 1, wherein the first electrode is a third graphene sheet. Original
Canceled
10-20. Canceled
Canceled
A photodetector, comprising: a first electrode, formed from a first graphene sheet; a carbon nanotube film formed on the first electrode; a second graphene sheet formed on the carbon nanotube film; a third graphene sheet configured to exert an electrical field on the second graphene sheet that changes an electrical property of the second graphene sheet; and a fourth graphene sheet between the first graphene sheet and the carbon nanotube film, wherein the first graphene sheet is configured to exert an electrical field on the fourth graphene sheet that changes an electrical property of the fourth graphene sheet. New
The photodetector of claim 21, further comprising an insulator layer directly between the second graphene sheet and the third graphene sheet. New
The photodetector of claim 21, wherein the third graphene sheet is positioned between the second graphene sheet and a light source. New
The photodetector of claim 21, wherein the carbon nanotube film comprises a plurality of carbon nanotubes that are aligned in parallel and having a same length. New
The photodetector of claim 21, wherein the first graphene sheet is on a substrate that is transparent to a wavelength that the carbon nanotube film is responsive to. New
Layer stacks claimed or described, ordered top of device to substrate.
graphene-contacted nanotube photodetector (claims 1-9)
graphene-contacted nanotube photodetector (claims 21-27)
Materials described outside the worked examples.
carbon nanotube film
graphene
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 30–500 nm | — |
Temperature | 80–204 °C |
Related documents with shared materials, methods, properties, or citations.
graphene-contacted nanotube photodetector (described embodiment)
transparent substrate
glass
zinc selenide
ZnSe
high-resistivity silicon
Si
semiconducting carbon nanotubes
polycarbonate membrane
PFO-BPy
palladium
Pd
silicon dioxide
SiO₂
sodium dodecylbenzenesulfonate
| — |
graphene-contacted nanotube photodetector (described embodiment)
transparent substrate
glass
zinc selenide
ZnSe
high-resistivity silicon
Si
semiconducting carbon nanotubes
polycarbonate membrane
PFO-BPy
palladium
Pd
silicon dioxide
SiO₂
sodium dodecylbenzenesulfonate
| — |
graphene-contacted nanotube photodetector (described embodiment)
transparent substrate
glass
zinc selenide
ZnSe
high-resistivity silicon
Si
semiconducting carbon nanotubes
polycarbonate membrane
PFO-BPy
palladium
Pd
silicon dioxide
SiO₂
sodium dodecylbenzenesulfonate
| — |
graphene-contacted nanotube photodetector (described embodiment)
transparent substrate
glass
zinc selenide
ZnSe
high-resistivity silicon
Si
semiconducting carbon nanotubes
polycarbonate membrane
PFO-BPy
palladium
Pd
silicon dioxide
SiO₂
sodium dodecylbenzenesulfonate
| — |