Patent
US 10,641,710Graphene-based Multi-Modal Sensors
Aliaksandr Zaretski
US
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Patent
Atlas literature
Patent
US 10,641,710Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 5. To transfer graphene from copper onto other metals (gold, silver, and nickel), metal-assisted exfoliation (MAE) can be used. [0065] In a single …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 1, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 1, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 1, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are characterized by controlled and uniform inter-nanoisland separation and a distance between edges of the nanoislands is on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are gold. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein at least a portion of the self-assembled metallic nanoislands are formed in a spheroidal shape. Currently amended
The graphene based multimodal sensor of claim 1, wherein the sensor is 20 nm or less in thickness. Currently amended
Canceled
Canceled
-19. Canceled
Canceled
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled First Named Inventor Aliaksandr Zaretski Attorney Docket: 15670-0270002/SD₂₀₁₆-037-5 metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver, and optionally one or more of a layer of 1-butanethiolate, glass, or a polymer layer, wherein the plurality of self-assembled metallic nanoislands are characterized by a distance between edges of the nanoislands on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 20, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 20, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 20, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 20, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based multimodal sensor (claim 1)
graphene-based multimodal sensor (claim 20)
Materials described outside the worked examples.
graphene
palladium nanoislands
Pd
gold nanoislands
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gauge factor at 1% strain | ≥ 1300 | — |
piezoresistive strain detection range spanning four orders of magnitude | 0.001–10 | — |
sensor thickness (upper bound) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,641,710Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 5. To transfer graphene from copper onto other metals (gold, silver, and nickel), metal-assisted exfoliation (MAE) can be used. [0065] In a single …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 1, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 1, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 1, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are characterized by controlled and uniform inter-nanoisland separation and a distance between edges of the nanoislands is on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are gold. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein at least a portion of the self-assembled metallic nanoislands are formed in a spheroidal shape. Currently amended
The graphene based multimodal sensor of claim 1, wherein the sensor is 20 nm or less in thickness. Currently amended
Canceled
Canceled
-19. Canceled
Canceled
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled First Named Inventor Aliaksandr Zaretski Attorney Docket: 15670-0270002/SD₂₀₁₆-037-5 metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver, and optionally one or more of a layer of 1-butanethiolate, glass, or a polymer layer, wherein the plurality of self-assembled metallic nanoislands are characterized by a distance between edges of the nanoislands on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 20, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 20, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 20, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 20, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based multimodal sensor (claim 1)
graphene-based multimodal sensor (claim 20)
Materials described outside the worked examples.
graphene
palladium nanoislands
Pd
gold nanoislands
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gauge factor at 1% strain | ≥ 1300 | — |
piezoresistive strain detection range spanning four orders of magnitude | 0.001–10 | — |
sensor thickness (upper bound) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,641,710Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 5. To transfer graphene from copper onto other metals (gold, silver, and nickel), metal-assisted exfoliation (MAE) can be used. [0065] In a single …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 1, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 1, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 1, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are characterized by controlled and uniform inter-nanoisland separation and a distance between edges of the nanoislands is on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are gold. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein at least a portion of the self-assembled metallic nanoislands are formed in a spheroidal shape. Currently amended
The graphene based multimodal sensor of claim 1, wherein the sensor is 20 nm or less in thickness. Currently amended
Canceled
Canceled
-19. Canceled
Canceled
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled First Named Inventor Aliaksandr Zaretski Attorney Docket: 15670-0270002/SD₂₀₁₆-037-5 metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver, and optionally one or more of a layer of 1-butanethiolate, glass, or a polymer layer, wherein the plurality of self-assembled metallic nanoislands are characterized by a distance between edges of the nanoislands on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 20, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 20, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 20, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 20, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based multimodal sensor (claim 1)
graphene-based multimodal sensor (claim 20)
Materials described outside the worked examples.
graphene
palladium nanoislands
Pd
gold nanoislands
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gauge factor at 1% strain | ≥ 1300 | — |
piezoresistive strain detection range spanning four orders of magnitude | 0.001–10 | — |
sensor thickness (upper bound) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,641,710Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 5. To transfer graphene from copper onto other metals (gold, silver, and nickel), metal-assisted exfoliation (MAE) can be used. [0065] In a single …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 1, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 1, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 1, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are characterized by controlled and uniform inter-nanoisland separation and a distance between edges of the nanoislands is on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are gold. Currently amended
The graphene based multimodal sensor of claim 1, wherein the self-assembled metallic nanoislands are silver. Currently amended
The graphene based multimodal sensor of claim 1, wherein at least a portion of the self-assembled metallic nanoislands are formed in a spheroidal shape. Currently amended
The graphene based multimodal sensor of claim 1, wherein the sensor is 20 nm or less in thickness. Currently amended
Canceled
Canceled
-19. Canceled
Canceled
A graphene based multimodal sensor, the sensor consisting of: a graphene layer; and a plurality of self-assembled metallic nanoislands in direct contact with the graphene layer, wherein each of the plurality of self-assembled metallic nanoislands are uniquely shaped and variably spaced apart from each other, and each of the plurality of self-assembled First Named Inventor Aliaksandr Zaretski Attorney Docket: 15670-0270002/SD₂₀₁₆-037-5 metallic nanoislands is independently selected from the group consisting of palladium, gold, or silver, and optionally one or more of a layer of 1-butanethiolate, glass, or a polymer layer, wherein the plurality of self-assembled metallic nanoislands are characterized by a distance between edges of the nanoislands on the order of about 2 A to a few nanometers. Currently amended
The graphene based multimodal sensor of claim 20, wherein the self-assembled metallic nanoislands are palladium. Currently amended
The graphene based multimodal sensor of claim 20, wherein the graphene layer is configured to suppress crack propagation through the self-assembled metallic nanoislands. Currently amended
The graphene based multimodal sensor of claim 20, wherein a gauge factor at 1 % strain of the sensor is at least 1300. Currently amended
The graphene based multimodal sensor of claim 20, wherein a piezoresistance of the sensor allows strain spanning four orders of magnitude to be detected. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based multimodal sensor (claim 1)
graphene-based multimodal sensor (claim 20)
Materials described outside the worked examples.
graphene
palladium nanoislands
Pd
gold nanoislands
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
gauge factor at 1% strain | ≥ 1300 | — |
piezoresistive strain detection range spanning four orders of magnitude | 0.001–10 | — |
sensor thickness (upper bound) |
Related documents with shared materials, methods, properties, or citations.
thin-film strain sensor
SERS substrate on optical fiber
Au
silver nanoislands
Ag
1-butanethiolate
glass
polymer layer
polydimethylsiloxane
polymethylmethacrylate
copper substrate
Cu
single-layer graphene
parylene
| ≤ 20 |
| — |
distance between edges of nanoislands | ≥ 0.2 | PdAuAg |
gauge factor at 1% strain (description) | 700 | — |
Thickness | 8–10 nm | — |
Pressure | 0.0001 torr | — |
Thickness | 3–20 nm | — |
Thickness | 7.5–8 nm | — |
Thickness | 4–5 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 10 nm | — |
ENHANCED SENSITIVITY OF GRAPHENE GAS SENSORS USING MOLECULAR DOPING
thin-film strain sensor
SERS substrate on optical fiber
Au
silver nanoislands
Ag
1-butanethiolate
glass
polymer layer
polydimethylsiloxane
polymethylmethacrylate
copper substrate
Cu
single-layer graphene
parylene
| ≤ 20 |
| — |
distance between edges of nanoislands | ≥ 0.2 | PdAuAg |
gauge factor at 1% strain (description) | 700 | — |
Thickness | 8–10 nm | — |
Pressure | 0.0001 torr | — |
Thickness | 3–20 nm | — |
Thickness | 7.5–8 nm | — |
Thickness | 4–5 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 10 nm | — |
ENHANCED SENSITIVITY OF GRAPHENE GAS SENSORS USING MOLECULAR DOPING
thin-film strain sensor
SERS substrate on optical fiber
Au
silver nanoislands
Ag
1-butanethiolate
glass
polymer layer
polydimethylsiloxane
polymethylmethacrylate
copper substrate
Cu
single-layer graphene
parylene
| ≤ 20 |
| — |
distance between edges of nanoislands | ≥ 0.2 | PdAuAg |
gauge factor at 1% strain (description) | 700 | — |
Thickness | 8–10 nm | — |
Pressure | 0.0001 torr | — |
Thickness | 3–20 nm | — |
Thickness | 7.5–8 nm | — |
Thickness | 4–5 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 10 nm | — |
ENHANCED SENSITIVITY OF GRAPHENE GAS SENSORS USING MOLECULAR DOPING
thin-film strain sensor
SERS substrate on optical fiber
Au
silver nanoislands
Ag
1-butanethiolate
glass
polymer layer
polydimethylsiloxane
polymethylmethacrylate
copper substrate
Cu
single-layer graphene
parylene
| ≤ 20 |
| — |
distance between edges of nanoislands | ≥ 0.2 | PdAuAg |
gauge factor at 1% strain (description) | 700 | — |
Thickness | 8–10 nm | — |
Pressure | 0.0001 torr | — |
Thickness | 3–20 nm | — |
Thickness | 7.5–8 nm | — |
Thickness | 4–5 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 10 nm | — |