Patent
US 10,024,831Graphene Gas Sensor for Measuring the Concentration of Carbon Dioxide in Gas Environments
Guenther Ruhl
US
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Patent
Atlas literature
Patent
US 10,024,831Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the gas sensor comprising: a graphene layer having a first side facing towards the gas environment (GE); an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; a chalcogenide layer covering a part of the first side of the graphene layer facing towards the gas environment (GE); and a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that i s not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalcogenide lay er is ex p osed to the GE. Currently amended
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a metal chalcogenide. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a chalcogenide nanoparticle layer. Original
A gas sensor according to claim 1, wherein the passivation layer is impermeable to an interference gas of the gas environment. Original
A gas sensor according to claim 1, wherein the passivation layer comprises chemically modified graphene. Previously presented
A gas sensor according to claim 1, wherein the passivation layer comprises a hydrophobic polymer. Previously presented
A gas sensor according to claim 1, wherein the passivation layer is selectively gas-permeable for carbon dioxide. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises chemically modified graphene. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a continuous chalcogenide layer. Original
A gas sensor according to claim 1, wherein the graphene layer comprises a graphene floc layer. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises a continuous graphene layer. Original
A gas sensor according to claim 1, wherein the graphene layer, the electrode layer and the chalcogenide layer are arranged on an insulator layer and a substrate layer, wherein the insulator layer is arranged in such way that the graphene layer, the electrode layer and/or the chalcogenide layer are electrically isolated from the substrate layer. Previously presented
A gas sensor according to claim 1, wherein the electrodes are arranged on a second side of the graphene layer, opposite the first side of the graphene layer facing away from the gas environment (GE). Previously presented
. Canceled
A method for manufacturing a gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the method comprising: providing a graphene layer having a first side facing towards the gas environment (GE); providing an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; providing a chalcogenide layer covering a part of the first side facing towards the gas environment (GE) of the graphene layer; and forming a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that is not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalco q enide la y er is ex p osed to the GE. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based CO₂ gas sensor
Materials described outside the worked examples.
graphene layer
chalcogenide layer
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,024,831Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the gas sensor comprising: a graphene layer having a first side facing towards the gas environment (GE); an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; a chalcogenide layer covering a part of the first side of the graphene layer facing towards the gas environment (GE); and a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that i s not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalcogenide lay er is ex p osed to the GE. Currently amended
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a metal chalcogenide. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a chalcogenide nanoparticle layer. Original
A gas sensor according to claim 1, wherein the passivation layer is impermeable to an interference gas of the gas environment. Original
A gas sensor according to claim 1, wherein the passivation layer comprises chemically modified graphene. Previously presented
A gas sensor according to claim 1, wherein the passivation layer comprises a hydrophobic polymer. Previously presented
A gas sensor according to claim 1, wherein the passivation layer is selectively gas-permeable for carbon dioxide. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises chemically modified graphene. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a continuous chalcogenide layer. Original
A gas sensor according to claim 1, wherein the graphene layer comprises a graphene floc layer. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises a continuous graphene layer. Original
A gas sensor according to claim 1, wherein the graphene layer, the electrode layer and the chalcogenide layer are arranged on an insulator layer and a substrate layer, wherein the insulator layer is arranged in such way that the graphene layer, the electrode layer and/or the chalcogenide layer are electrically isolated from the substrate layer. Previously presented
A gas sensor according to claim 1, wherein the electrodes are arranged on a second side of the graphene layer, opposite the first side of the graphene layer facing away from the gas environment (GE). Previously presented
. Canceled
A method for manufacturing a gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the method comprising: providing a graphene layer having a first side facing towards the gas environment (GE); providing an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; providing a chalcogenide layer covering a part of the first side facing towards the gas environment (GE) of the graphene layer; and forming a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that is not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalco q enide la y er is ex p osed to the GE. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based CO₂ gas sensor
Materials described outside the worked examples.
graphene layer
chalcogenide layer
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,024,831Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the gas sensor comprising: a graphene layer having a first side facing towards the gas environment (GE); an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; a chalcogenide layer covering a part of the first side of the graphene layer facing towards the gas environment (GE); and a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that i s not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalcogenide lay er is ex p osed to the GE. Currently amended
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a metal chalcogenide. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a chalcogenide nanoparticle layer. Original
A gas sensor according to claim 1, wherein the passivation layer is impermeable to an interference gas of the gas environment. Original
A gas sensor according to claim 1, wherein the passivation layer comprises chemically modified graphene. Previously presented
A gas sensor according to claim 1, wherein the passivation layer comprises a hydrophobic polymer. Previously presented
A gas sensor according to claim 1, wherein the passivation layer is selectively gas-permeable for carbon dioxide. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises chemically modified graphene. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a continuous chalcogenide layer. Original
A gas sensor according to claim 1, wherein the graphene layer comprises a graphene floc layer. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises a continuous graphene layer. Original
A gas sensor according to claim 1, wherein the graphene layer, the electrode layer and the chalcogenide layer are arranged on an insulator layer and a substrate layer, wherein the insulator layer is arranged in such way that the graphene layer, the electrode layer and/or the chalcogenide layer are electrically isolated from the substrate layer. Previously presented
A gas sensor according to claim 1, wherein the electrodes are arranged on a second side of the graphene layer, opposite the first side of the graphene layer facing away from the gas environment (GE). Previously presented
. Canceled
A method for manufacturing a gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the method comprising: providing a graphene layer having a first side facing towards the gas environment (GE); providing an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; providing a chalcogenide layer covering a part of the first side facing towards the gas environment (GE) of the graphene layer; and forming a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that is not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalco q enide la y er is ex p osed to the GE. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based CO₂ gas sensor
Materials described outside the worked examples.
graphene layer
chalcogenide layer
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,024,831Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the gas sensor comprising: a graphene layer having a first side facing towards the gas environment (GE); an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; a chalcogenide layer covering a part of the first side of the graphene layer facing towards the gas environment (GE); and a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that i s not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalcogenide lay er is ex p osed to the GE. Currently amended
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a metal chalcogenide. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a chalcogenide nanoparticle layer. Original
A gas sensor according to claim 1, wherein the passivation layer is impermeable to an interference gas of the gas environment. Original
A gas sensor according to claim 1, wherein the passivation layer comprises chemically modified graphene. Previously presented
A gas sensor according to claim 1, wherein the passivation layer comprises a hydrophobic polymer. Previously presented
A gas sensor according to claim 1, wherein the passivation layer is selectively gas-permeable for carbon dioxide. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises chemically modified graphene. Original
A gas sensor according to claim 1, wherein the chalcogenide layer comprises a continuous chalcogenide layer. Original
A gas sensor according to claim 1, wherein the graphene layer comprises a graphene floc layer. Previously presented
A gas sensor according to claim 1, wherein the graphene layer comprises a continuous graphene layer. Original
A gas sensor according to claim 1, wherein the graphene layer, the electrode layer and the chalcogenide layer are arranged on an insulator layer and a substrate layer, wherein the insulator layer is arranged in such way that the graphene layer, the electrode layer and/or the chalcogenide layer are electrically isolated from the substrate layer. Previously presented
A gas sensor according to claim 1, wherein the electrodes are arranged on a second side of the graphene layer, opposite the first side of the graphene layer facing away from the gas environment (GE). Previously presented
. Canceled
A method for manufacturing a gas sensor for measuring a concentration of carbon dioxide in a gas environment (GE), the method comprising: providing a graphene layer having a first side facing towards the gas environment (GE); providing an electrode layer comprising a plurality of electrodes electrically connected to the graphene layer; providing a chalcogenide layer covering a part of the first side facing towards the gas environment (GE) of the graphene layer; and forming a passivation layer, which is a different material than the graphene layer, which is selectively deposited on the first side of the graphene layer that is not covered by the chalcogenide layer; wherein the chalcogenide layer is deposited before the passivation layer and the chalco q enide la y er is ex p osed to the GE. Currently amended
Layer stacks claimed or described, ordered top of device to substrate.
graphene-based CO₂ gas sensor
Materials described outside the worked examples.
graphene layer
chalcogenide layer
Related documents with shared materials, methods, properties, or citations.
passivation layer
chalcogenide nanoparticle layer
chemically modified graphene (passivation layer)
hydrophobic polymer (passivation layer)
chemically modified graphene (graphene layer)
graphene floc layer
continuous graphene layer
metal chalcogenide
copper(II) oxide
CuO
copper(I) oxide
Cu₂O
copper(II) sulfide
CuS
copper(I) sulfide
Cu₂S
titanium dioxide
TiO₂
cobalt(II,III) oxide
Co₃O₄
fluoropolymer (passivation layer, e.g. Nafion)
graphene oxide
reduced graphene oxide
fluorographene
silanized graphene
graphane
Capacitive-Based Graphene Sensor
passivation layer
chalcogenide nanoparticle layer
chemically modified graphene (passivation layer)
hydrophobic polymer (passivation layer)
chemically modified graphene (graphene layer)
graphene floc layer
continuous graphene layer
metal chalcogenide
copper(II) oxide
CuO
copper(I) oxide
Cu₂O
copper(II) sulfide
CuS
copper(I) sulfide
Cu₂S
titanium dioxide
TiO₂
cobalt(II,III) oxide
Co₃O₄
fluoropolymer (passivation layer, e.g. Nafion)
graphene oxide
reduced graphene oxide
fluorographene
silanized graphene
graphane
Capacitive-Based Graphene Sensor
passivation layer
chalcogenide nanoparticle layer
chemically modified graphene (passivation layer)
hydrophobic polymer (passivation layer)
chemically modified graphene (graphene layer)
graphene floc layer
continuous graphene layer
metal chalcogenide
copper(II) oxide
CuO
copper(I) oxide
Cu₂O
copper(II) sulfide
CuS
copper(I) sulfide
Cu₂S
titanium dioxide
TiO₂
cobalt(II,III) oxide
Co₃O₄
fluoropolymer (passivation layer, e.g. Nafion)
graphene oxide
reduced graphene oxide
fluorographene
silanized graphene
graphane
Capacitive-Based Graphene Sensor
passivation layer
chalcogenide nanoparticle layer
chemically modified graphene (passivation layer)
hydrophobic polymer (passivation layer)
chemically modified graphene (graphene layer)
graphene floc layer
continuous graphene layer
metal chalcogenide
copper(II) oxide
CuO
copper(I) oxide
Cu₂O
copper(II) sulfide
CuS
copper(I) sulfide
Cu₂S
titanium dioxide
TiO₂
cobalt(II,III) oxide
Co₃O₄
fluoropolymer (passivation layer, e.g. Nafion)
graphene oxide
reduced graphene oxide
fluorographene
silanized graphene
graphane
Capacitive-Based Graphene Sensor