Patent
US 10,312,389OPTICAL DETECTOR DEVICE WITH PATTERNED GRAPHENE LAYER AND RELATED METHODS
Debashis Chanda
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,312,389Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
FIG. 13 is a schematic diagram of an optical detector device, according to the present disclosure. [0029]
FIG. 14 is a schematic diagram of another embodiment of the optical detector device, according to the present disclosure. [0030] F I G. 15 is a schematic …
FIG. 15, another embodiment of the optical detector device 220 is now described. In this embodiment of the optical detector device 220, th ose elements already …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector l ayer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings, the array of opening s comprising a plurality of rows _ and a p l urality of columns; an d a second dielectric layer over said graphene layer and covering said array of openings. Currently amended
T he optical detector dev ice of claim 1 wherein the a o s array _ of openi ngs comprises a square array of openings. Currently amended
The optical detector device of claim 1 wherein the perforated pattern is symmetrica l. Original
The optical detector device of claim 1 wherein said first dielectric layer comprises a polymer material. Original
6. The optical detector device of claim 1 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 1 further comprising:--; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
8. The optical detector device of claim 1 wherein said reflector layer comprises gold material. Original
The optical detector device of claim 1 wherein said reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
The optical detector device of claim 1 wherein said second dielectric layer comprises an ion-gel dielectric la y er. New
An optical detector device comprising: a substrate; a gold reflector layer carried by said substrate; a first dielectric layer over said gold reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern defining a square array of openings; the perforated pattern comprising an array of openings, the array of openin g s comprising a plurality of rows and a plurality of columns; a second dielectric layer over s aid graphene layer and covering said array of openings; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
11. The optical detector device of claim 10 wherein each of the openings i s circle-shaped. Original
12. The optical detector device of claim 10 wherein the perforated pa tt ern is sy mmet rical. Original
The optica l detector device of claim 10 wherein said first dielectric layer comprises a polymer material. Original
14. The optical detector device of claim 10 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 10 wherein said gold reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
. SVG 15782948.08-31-2018.JLIF₃HQRRXEAPX0.CLM.1.svg 0.13 1.55 Black and white Canceled
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. Canceled
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings; and a second dielectric layer over said graphene layer and covering said array of openings. New
The optical detector device of claim 21 wherein the array of openings comprises a square array of openings. New
The optical detector device of claim 21 wherein the perforated pattern is symmetrical. New
Layer stacks claimed or described, ordered top of device to substrate.
optical detector device with patterned graphene
cavity-coupled nanomesh graphene optical detector (embodiment)
Materials described outside the worked examples.
gold reflector
Au
graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum direct light absorption in nanomesh graphene (predicted) | 60 % | nanomesh monolayer graphene |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,312,389Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
FIG. 13 is a schematic diagram of an optical detector device, according to the present disclosure. [0029]
FIG. 14 is a schematic diagram of another embodiment of the optical detector device, according to the present disclosure. [0030] F I G. 15 is a schematic …
FIG. 15, another embodiment of the optical detector device 220 is now described. In this embodiment of the optical detector device 220, th ose elements already …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector l ayer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings, the array of opening s comprising a plurality of rows _ and a p l urality of columns; an d a second dielectric layer over said graphene layer and covering said array of openings. Currently amended
T he optical detector dev ice of claim 1 wherein the a o s array _ of openi ngs comprises a square array of openings. Currently amended
The optical detector device of claim 1 wherein the perforated pattern is symmetrica l. Original
The optical detector device of claim 1 wherein said first dielectric layer comprises a polymer material. Original
6. The optical detector device of claim 1 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 1 further comprising:--; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
8. The optical detector device of claim 1 wherein said reflector layer comprises gold material. Original
The optical detector device of claim 1 wherein said reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
The optical detector device of claim 1 wherein said second dielectric layer comprises an ion-gel dielectric la y er. New
An optical detector device comprising: a substrate; a gold reflector layer carried by said substrate; a first dielectric layer over said gold reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern defining a square array of openings; the perforated pattern comprising an array of openings, the array of openin g s comprising a plurality of rows and a plurality of columns; a second dielectric layer over s aid graphene layer and covering said array of openings; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
11. The optical detector device of claim 10 wherein each of the openings i s circle-shaped. Original
12. The optical detector device of claim 10 wherein the perforated pa tt ern is sy mmet rical. Original
The optica l detector device of claim 10 wherein said first dielectric layer comprises a polymer material. Original
14. The optical detector device of claim 10 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 10 wherein said gold reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
. SVG 15782948.08-31-2018.JLIF₃HQRRXEAPX0.CLM.1.svg 0.13 1.55 Black and white Canceled
. Canceled
. Canceled
. Canceled
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings; and a second dielectric layer over said graphene layer and covering said array of openings. New
The optical detector device of claim 21 wherein the array of openings comprises a square array of openings. New
The optical detector device of claim 21 wherein the perforated pattern is symmetrical. New
Layer stacks claimed or described, ordered top of device to substrate.
optical detector device with patterned graphene
cavity-coupled nanomesh graphene optical detector (embodiment)
Materials described outside the worked examples.
gold reflector
Au
graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum direct light absorption in nanomesh graphene (predicted) | 60 % | nanomesh monolayer graphene |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,312,389Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
FIG. 13 is a schematic diagram of an optical detector device, according to the present disclosure. [0029]
FIG. 14 is a schematic diagram of another embodiment of the optical detector device, according to the present disclosure. [0030] F I G. 15 is a schematic …
FIG. 15, another embodiment of the optical detector device 220 is now described. In this embodiment of the optical detector device 220, th ose elements already …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector l ayer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings, the array of opening s comprising a plurality of rows _ and a p l urality of columns; an d a second dielectric layer over said graphene layer and covering said array of openings. Currently amended
T he optical detector dev ice of claim 1 wherein the a o s array _ of openi ngs comprises a square array of openings. Currently amended
The optical detector device of claim 1 wherein the perforated pattern is symmetrica l. Original
The optical detector device of claim 1 wherein said first dielectric layer comprises a polymer material. Original
6. The optical detector device of claim 1 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 1 further comprising:--; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
8. The optical detector device of claim 1 wherein said reflector layer comprises gold material. Original
The optical detector device of claim 1 wherein said reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
The optical detector device of claim 1 wherein said second dielectric layer comprises an ion-gel dielectric la y er. New
An optical detector device comprising: a substrate; a gold reflector layer carried by said substrate; a first dielectric layer over said gold reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern defining a square array of openings; the perforated pattern comprising an array of openings, the array of openin g s comprising a plurality of rows and a plurality of columns; a second dielectric layer over s aid graphene layer and covering said array of openings; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
11. The optical detector device of claim 10 wherein each of the openings i s circle-shaped. Original
12. The optical detector device of claim 10 wherein the perforated pa tt ern is sy mmet rical. Original
The optica l detector device of claim 10 wherein said first dielectric layer comprises a polymer material. Original
14. The optical detector device of claim 10 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 10 wherein said gold reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
. SVG 15782948.08-31-2018.JLIF₃HQRRXEAPX0.CLM.1.svg 0.13 1.55 Black and white Canceled
. Canceled
. Canceled
. Canceled
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings; and a second dielectric layer over said graphene layer and covering said array of openings. New
The optical detector device of claim 21 wherein the array of openings comprises a square array of openings. New
The optical detector device of claim 21 wherein the perforated pattern is symmetrical. New
Layer stacks claimed or described, ordered top of device to substrate.
optical detector device with patterned graphene
cavity-coupled nanomesh graphene optical detector (embodiment)
Materials described outside the worked examples.
gold reflector
Au
graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum direct light absorption in nanomesh graphene (predicted) | 60 % | nanomesh monolayer graphene |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,312,389Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
FIG. 13 is a schematic diagram of an optical detector device, according to the present disclosure. [0029]
FIG. 14 is a schematic diagram of another embodiment of the optical detector device, according to the present disclosure. [0030] F I G. 15 is a schematic …
FIG. 15, another embodiment of the optical detector device 220 is now described. In this embodiment of the optical detector device 220, th ose elements already …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector l ayer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings, the array of opening s comprising a plurality of rows _ and a p l urality of columns; an d a second dielectric layer over said graphene layer and covering said array of openings. Currently amended
T he optical detector dev ice of claim 1 wherein the a o s array _ of openi ngs comprises a square array of openings. Currently amended
The optical detector device of claim 1 wherein the perforated pattern is symmetrica l. Original
The optical detector device of claim 1 wherein said first dielectric layer comprises a polymer material. Original
6. The optical detector device of claim 1 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 1 further comprising:--; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
8. The optical detector device of claim 1 wherein said reflector layer comprises gold material. Original
The optical detector device of claim 1 wherein said reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
The optical detector device of claim 1 wherein said second dielectric layer comprises an ion-gel dielectric la y er. New
An optical detector device comprising: a substrate; a gold reflector layer carried by said substrate; a first dielectric layer over said gold reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern defining a square array of openings; the perforated pattern comprising an array of openings, the array of openin g s comprising a plurality of rows and a plurality of columns; a second dielectric layer over s aid graphene layer and covering said array of openings; a first electrically conductive contact coupled to said second dielectric layer; and a second electrically conductive contact coupled to said graphene layer. Currently amended
11. The optical detector device of claim 10 wherein each of the openings i s circle-shaped. Original
12. The optical detector device of claim 10 wherein the perforated pa tt ern is sy mmet rical. Original
The optica l detector device of claim 10 wherein said first dielectric layer comprises a polymer material. Original
14. The optical detector device of claim 10 wherein said graphene layer comprises a monolayer of graphene. Original
The optical detector device of claim 10 wherein said gold reflector layer has a thickness greater than a threshold thickness for optical opacity. Original
. SVG 15782948.08-31-2018.JLIF₃HQRRXEAPX0.CLM.1.svg 0.13 1.55 Black and white Canceled
. Canceled
. Canceled
. Canceled
An optical detector device comprising: a substrate; a reflector layer carried by said substrate; a first dielectric layer over said reflector layer; a graphene layer over said first dielectric layer and having a perforated pattern therein; the perforated pattern comprising an array of openings; and a second dielectric layer over said graphene layer and covering said array of openings. New
The optical detector device of claim 21 wherein the array of openings comprises a square array of openings. New
The optical detector device of claim 21 wherein the perforated pattern is symmetrical. New
Layer stacks claimed or described, ordered top of device to substrate.
optical detector device with patterned graphene
cavity-coupled nanomesh graphene optical detector (embodiment)
Materials described outside the worked examples.
gold reflector
Au
graphene
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 c and 1 d are diagrams of a finite-difference time domain (FDTD)/coupled dipole approximation (CDA) predicted absorption and a FDTD prediction of …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum direct light absorption in nanomesh graphene (predicted) | 60 % | nanomesh monolayer graphene |
Related documents with shared materials, methods, properties, or citations.
first dielectric layer (polymer)
second dielectric layer
ion-gel dielectric
nanomesh monolayer graphene
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
experimentally measured absorption in nanomesh graphene |
| 45 % |
nanomesh monolayer graphene |
baseline optical absorbance of pristine graphene | 2.3 % | graphene |
— | 0.7–1 eV | — |
Thickness | 250–1000 cm | — |
— | 0.001 eV | — |
Pressure | 0.000001 torr | — |
Thickness | ≤ 1 cm | — |
Thickness | ≤ 42 nm | — |
Pressure | ≤ 0.000001 torr | — |
first dielectric layer (polymer)
second dielectric layer
ion-gel dielectric
nanomesh monolayer graphene
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
experimentally measured absorption in nanomesh graphene |
| 45 % |
nanomesh monolayer graphene |
baseline optical absorbance of pristine graphene | 2.3 % | graphene |
— | 0.7–1 eV | — |
Thickness | 250–1000 cm | — |
— | 0.001 eV | — |
Pressure | 0.000001 torr | — |
Thickness | ≤ 1 cm | — |
Thickness | ≤ 42 nm | — |
Pressure | ≤ 0.000001 torr | — |
first dielectric layer (polymer)
second dielectric layer
ion-gel dielectric
nanomesh monolayer graphene
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
experimentally measured absorption in nanomesh graphene |
| 45 % |
nanomesh monolayer graphene |
baseline optical absorbance of pristine graphene | 2.3 % | graphene |
— | 0.7–1 eV | — |
Thickness | 250–1000 cm | — |
— | 0.001 eV | — |
Pressure | 0.000001 torr | — |
Thickness | ≤ 1 cm | — |
Thickness | ≤ 42 nm | — |
Pressure | ≤ 0.000001 torr | — |
first dielectric layer (polymer)
second dielectric layer
ion-gel dielectric
nanomesh monolayer graphene
FIGS. 2c and 2d are the diagrams of FDTD predicted cavity length and wavelength dependent absorption, and wavelength dependent absorption at L= 1.6 p m, …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIG. 3c is a scanning electron microscope (SEM) image of a fabricated perforated graphene sheet on polymeric substrate, according to the present disclosure. …
FIGS. 4a and 4b are diagrams of energy dispersion and wavelength dependent absorption in presence of substrate phonons, and experimental and theoretical …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 5 b and 5 d are diagrams of tunable absorption and absorption peak shift as a function of wavelength and Fermi energy (gate voltage) for low mobility …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 6a- 6 d are diagrams of light absorption of patterned graphene, and real part and intensity of electric field distribution in z direction derived from …
FIGS. 7a-7b are diagrams of doping of graphene sheet by using ion gel as a dielectric for the capacitor, and an experimental result for the light absorption of …
FIGS. 8 a-8d are diagrams of experimental and theoretical plasmon excitation for different Fermi energies achieved by tuning the gate voltage, according to the …
FIGS. 9a-9b are diagrams of electrical conductivity of graphene for different types of samples, according to the present disclosure. [0025]
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIG. 10 is a diagram of light absorption of cavity coupled patterned graphene with cavity thickness of L=1400 nm, Period=400 nm, Diameter=330 nm, E f=1.0 eVand …
FIGS. 11a- 11 b, respectively. The relation between conductivity and mobility is a=pey, where p is the carrier mobility of graphene. Fitting this equation …
FIGS. 12a-12b are diagrams of simulated and experimental optical absorption spectra, respectively, according to the present disclosure. [0028]
experimentally measured absorption in nanomesh graphene |
| 45 % |
nanomesh monolayer graphene |
baseline optical absorbance of pristine graphene | 2.3 % | graphene |
— | 0.7–1 eV | — |
Thickness | 250–1000 cm | — |
— | 0.001 eV | — |
Pressure | 0.000001 torr | — |
Thickness | ≤ 1 cm | — |
Thickness | ≤ 42 nm | — |
Pressure | ≤ 0.000001 torr | — |