Patent
US 11,492,261METHOD OF USING CHEMICAL REACTION TRANSPARENCY OF GRAPHENE
Won Jin Choi
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,492,261Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 2 is a flow chart showing the process of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 3 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 4 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
FIG. 6. Here, produced Zn O nanorods has a matching atomic arrangement with the bottom Zn O substrate underneath graphene, transparency of graphene enables the …
FIG. 7 is an image of a hydrogen sensor in which the graphene prepared according to an exemplary embodiment of the present invention and platinum nanoparticles …
FIG. 8. As shown in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of performing a catalytic reaction using chemical transparency of graphene on a substrate comprising the steps of: providing a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions,; and a graphene layer covering the one or more catalytic regions and the one or more non- catal y tic regions;, contacting a reactant with the graphene layer; and reacting the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene layer along the catalyst pattern, wherein the one or more non- catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact. Currently amended
The method of claim 1, wherein the catalyst is a photocatalyst, an electrocatalyst, or an electrode active material. Currently amended
The method of claim 1, wherein the catalyst act as a reducing agent in the catalytic reaction. Currently amended
The method of claim 1, wherein the graphene layer inhibits inactivation of the catalyst. Currently amended
Canceled
Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing a surface-modified graphene through [[the]] a catalytic chemical reaction on a substrate comprising a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions; and a graphene layer covering the one or more catalytic regions and the one or more non-catalytic regions -a, contacting a reactant with the graphene layer; and performing a catalytic chemical reaction of the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene la y er along the catalyst pattern, wherein the one or more non-catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact,,. Currently amended
(Withdrawn-Currently Amended) The method of claim 8, wherein the one or more catalytic regions and the one or more non-catalytic regions forms a catalyst pattern, and the catalytic chemical reaction is performed at the catalyst where the graphene layer is positioned on the one or more catalytic regions, thereby preparing the surface-modified graphene along the catalyst pattern. Currently amended
(Withdrawn-Previously presented) An electrode, comprising a first layer comprising an electrode active material and a second layer comprising graphene formed on the first layer, in which the electrode active material performs an oxidation-reduction reaction at a region of the second layer where the graphene is positioned on the electrode active material, wherein the first layer forms a electrode active material pattern, and the oxidation-reduction reaction is performed on the graphene along the pattern; and wherein the electrode is configured so that the electrode active material is in contact only with the top surface of the graphene, and the oxidation-reduction reaction of the electrode active material occurs on the top surface of the graphene. Withdrawn
A cell comprising the electrode of claim 10. Withdrawn
Claim 13. (Withdrawn-Previously presented) A sensor, comprising: a first layer comprising a catalyst; a second layer comprising graphene formed on the first layer; and metal nanoparticles formed through a catalytic chemical reaction at a region of the second layer where the graphene is positioned on the catalyst wherein the first layer forms a catalyst pattern, and the metal nanoparticles are formed on the graphene along the catalyst pattern. Canceled
The sensor of claim 13, wherein the sensor is a gas sensor, a glucose sensor, or a surface plasmon resonance (SPR) sensor. Withdrawn
Claims 15-17. Claim 18. (Withdrawn-Previously presented) A cell culture substrate, comprising: a first layer comprising the material inducing adhesion or proliferation of cells; and a second layer comprising graphene formed on the first layer, in which the material inducing adhesion or proliferation of cells performs the adhesion or proliferation of cells at a region of the second layer where the graphene is positioned on the material inducing adhesion or proliferation of cells, wherein the first layer forms a material pattern, and the adhesion or proliferation of cells is performed on the graphene along the pattern; and wherein the cell culture substrate is configured so that the cell adheres or proliferates only on the top surface of the graphene. Canceled
Canceled
The cell culture substrate of claim 18, wherein the first layer is prepared with a metal. Withdrawn
Canceled
A transplant comprising the cell culture substrate of claim 18. Withdrawn
The transplant of claim 21, wherein a subject material in the form of an organic compound, polymer, protein, peptide, DNA, RNA, or polynucleotide, which is capable of inducing differentiation of a stem cell into a particular cell or cell movement toward a particular direction, is further coated on the second layer of the cell culture substrate. Withdrawn
Canceled
(Withdrawn-Previously presented) A method of performing a chemical reaction of a first reactant and a second reactant in a condition where the first and second reactants, between which a chemical reaction occurs through mutual transfer of electrons and holes, are separated by graphene exhibiting chemical transparency, wherein the method comprises: contacting the reactants so that the first reactant is in contact with only one side of the graphene, and the second reactant is in contact with only the other side of the graphene, and the chemical reaction occurs through mutual transfer of electrons and holes between the first and second reactants. Withdrawn
The method of claim 24, wherein the chemical reaction is an oxidation- reduction reaction. Withdrawn
Claim 27. (Withdrawn-Previously presented) A device, comprising a first means forming a first product from a first reactant; a second means forming a second product from a second reactant; and graphene capable of exhibiting chemical transparency and separating the first and second reactants, in which electrons or holes, which are produced when the first product is produced from the first reactant, are delivered to the second reactant through the graphene to produce the second product, wherein the device is configured so that the first reactant is in contact with only one side of the graphene, the second reactant is in contact with only the other side of the graphene, and electrons or holes from the first reactant are delivered to the second reactant through the graphene. Canceled
(Withdrawn-Previously presented) A multi-layered electronic device, comprising at least one active layer between two electrode layers, wherein at least one layer of graphene exhibiting chemical transparency is inserted between a first layer and a second layer, wherein the electronic device is configured so that the first layer is in contact with only one side of the graphene, and the second layer is in contact with only the other side of the graphene, while a function of each layer is maintained. Withdrawn
The electronic device of claim 28, wherein an upper layer is formed on a lower layer whose surface is protected with graphene, by a solution process when the multi- layered electronic device is prepared. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene-on-catalyst substrate for catalytic reaction
electrode with graphene overlayer
sensor with metal nanoparticles on graphene
Materials described outside the worked examples.
graphene
catalyst
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≥ 12 hours | — |
Thickness | ≥ 1 cm |
Table 1
SVG
Types of the catalysts, and examples of reactions in which such catalysts can be used are summarized in Table 1 below.
p. 5
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,492,261Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 2 is a flow chart showing the process of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 3 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 4 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
FIG. 6. Here, produced Zn O nanorods has a matching atomic arrangement with the bottom Zn O substrate underneath graphene, transparency of graphene enables the …
FIG. 7 is an image of a hydrogen sensor in which the graphene prepared according to an exemplary embodiment of the present invention and platinum nanoparticles …
FIG. 8. As shown in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of performing a catalytic reaction using chemical transparency of graphene on a substrate comprising the steps of: providing a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions,; and a graphene layer covering the one or more catalytic regions and the one or more non- catal y tic regions;, contacting a reactant with the graphene layer; and reacting the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene layer along the catalyst pattern, wherein the one or more non- catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact. Currently amended
The method of claim 1, wherein the catalyst is a photocatalyst, an electrocatalyst, or an electrode active material. Currently amended
The method of claim 1, wherein the catalyst act as a reducing agent in the catalytic reaction. Currently amended
The method of claim 1, wherein the graphene layer inhibits inactivation of the catalyst. Currently amended
Canceled
Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing a surface-modified graphene through [[the]] a catalytic chemical reaction on a substrate comprising a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions; and a graphene layer covering the one or more catalytic regions and the one or more non-catalytic regions -a, contacting a reactant with the graphene layer; and performing a catalytic chemical reaction of the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene la y er along the catalyst pattern, wherein the one or more non-catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact,,. Currently amended
(Withdrawn-Currently Amended) The method of claim 8, wherein the one or more catalytic regions and the one or more non-catalytic regions forms a catalyst pattern, and the catalytic chemical reaction is performed at the catalyst where the graphene layer is positioned on the one or more catalytic regions, thereby preparing the surface-modified graphene along the catalyst pattern. Currently amended
(Withdrawn-Previously presented) An electrode, comprising a first layer comprising an electrode active material and a second layer comprising graphene formed on the first layer, in which the electrode active material performs an oxidation-reduction reaction at a region of the second layer where the graphene is positioned on the electrode active material, wherein the first layer forms a electrode active material pattern, and the oxidation-reduction reaction is performed on the graphene along the pattern; and wherein the electrode is configured so that the electrode active material is in contact only with the top surface of the graphene, and the oxidation-reduction reaction of the electrode active material occurs on the top surface of the graphene. Withdrawn
A cell comprising the electrode of claim 10. Withdrawn
Claim 13. (Withdrawn-Previously presented) A sensor, comprising: a first layer comprising a catalyst; a second layer comprising graphene formed on the first layer; and metal nanoparticles formed through a catalytic chemical reaction at a region of the second layer where the graphene is positioned on the catalyst wherein the first layer forms a catalyst pattern, and the metal nanoparticles are formed on the graphene along the catalyst pattern. Canceled
The sensor of claim 13, wherein the sensor is a gas sensor, a glucose sensor, or a surface plasmon resonance (SPR) sensor. Withdrawn
Claims 15-17. Claim 18. (Withdrawn-Previously presented) A cell culture substrate, comprising: a first layer comprising the material inducing adhesion or proliferation of cells; and a second layer comprising graphene formed on the first layer, in which the material inducing adhesion or proliferation of cells performs the adhesion or proliferation of cells at a region of the second layer where the graphene is positioned on the material inducing adhesion or proliferation of cells, wherein the first layer forms a material pattern, and the adhesion or proliferation of cells is performed on the graphene along the pattern; and wherein the cell culture substrate is configured so that the cell adheres or proliferates only on the top surface of the graphene. Canceled
Canceled
The cell culture substrate of claim 18, wherein the first layer is prepared with a metal. Withdrawn
Canceled
A transplant comprising the cell culture substrate of claim 18. Withdrawn
The transplant of claim 21, wherein a subject material in the form of an organic compound, polymer, protein, peptide, DNA, RNA, or polynucleotide, which is capable of inducing differentiation of a stem cell into a particular cell or cell movement toward a particular direction, is further coated on the second layer of the cell culture substrate. Withdrawn
Canceled
(Withdrawn-Previously presented) A method of performing a chemical reaction of a first reactant and a second reactant in a condition where the first and second reactants, between which a chemical reaction occurs through mutual transfer of electrons and holes, are separated by graphene exhibiting chemical transparency, wherein the method comprises: contacting the reactants so that the first reactant is in contact with only one side of the graphene, and the second reactant is in contact with only the other side of the graphene, and the chemical reaction occurs through mutual transfer of electrons and holes between the first and second reactants. Withdrawn
The method of claim 24, wherein the chemical reaction is an oxidation- reduction reaction. Withdrawn
Claim 27. (Withdrawn-Previously presented) A device, comprising a first means forming a first product from a first reactant; a second means forming a second product from a second reactant; and graphene capable of exhibiting chemical transparency and separating the first and second reactants, in which electrons or holes, which are produced when the first product is produced from the first reactant, are delivered to the second reactant through the graphene to produce the second product, wherein the device is configured so that the first reactant is in contact with only one side of the graphene, the second reactant is in contact with only the other side of the graphene, and electrons or holes from the first reactant are delivered to the second reactant through the graphene. Canceled
(Withdrawn-Previously presented) A multi-layered electronic device, comprising at least one active layer between two electrode layers, wherein at least one layer of graphene exhibiting chemical transparency is inserted between a first layer and a second layer, wherein the electronic device is configured so that the first layer is in contact with only one side of the graphene, and the second layer is in contact with only the other side of the graphene, while a function of each layer is maintained. Withdrawn
The electronic device of claim 28, wherein an upper layer is formed on a lower layer whose surface is protected with graphene, by a solution process when the multi- layered electronic device is prepared. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene-on-catalyst substrate for catalytic reaction
electrode with graphene overlayer
sensor with metal nanoparticles on graphene
Materials described outside the worked examples.
graphene
catalyst
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≥ 12 hours | — |
Thickness | ≥ 1 cm |
Table 1
SVG
Types of the catalysts, and examples of reactions in which such catalysts can be used are summarized in Table 1 below.
p. 5
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,492,261Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 2 is a flow chart showing the process of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 3 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 4 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
FIG. 6. Here, produced Zn O nanorods has a matching atomic arrangement with the bottom Zn O substrate underneath graphene, transparency of graphene enables the …
FIG. 7 is an image of a hydrogen sensor in which the graphene prepared according to an exemplary embodiment of the present invention and platinum nanoparticles …
FIG. 8. As shown in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of performing a catalytic reaction using chemical transparency of graphene on a substrate comprising the steps of: providing a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions,; and a graphene layer covering the one or more catalytic regions and the one or more non- catal y tic regions;, contacting a reactant with the graphene layer; and reacting the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene layer along the catalyst pattern, wherein the one or more non- catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact. Currently amended
The method of claim 1, wherein the catalyst is a photocatalyst, an electrocatalyst, or an electrode active material. Currently amended
The method of claim 1, wherein the catalyst act as a reducing agent in the catalytic reaction. Currently amended
The method of claim 1, wherein the graphene layer inhibits inactivation of the catalyst. Currently amended
Canceled
Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing a surface-modified graphene through [[the]] a catalytic chemical reaction on a substrate comprising a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions; and a graphene layer covering the one or more catalytic regions and the one or more non-catalytic regions -a, contacting a reactant with the graphene layer; and performing a catalytic chemical reaction of the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene la y er along the catalyst pattern, wherein the one or more non-catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact,,. Currently amended
(Withdrawn-Currently Amended) The method of claim 8, wherein the one or more catalytic regions and the one or more non-catalytic regions forms a catalyst pattern, and the catalytic chemical reaction is performed at the catalyst where the graphene layer is positioned on the one or more catalytic regions, thereby preparing the surface-modified graphene along the catalyst pattern. Currently amended
(Withdrawn-Previously presented) An electrode, comprising a first layer comprising an electrode active material and a second layer comprising graphene formed on the first layer, in which the electrode active material performs an oxidation-reduction reaction at a region of the second layer where the graphene is positioned on the electrode active material, wherein the first layer forms a electrode active material pattern, and the oxidation-reduction reaction is performed on the graphene along the pattern; and wherein the electrode is configured so that the electrode active material is in contact only with the top surface of the graphene, and the oxidation-reduction reaction of the electrode active material occurs on the top surface of the graphene. Withdrawn
A cell comprising the electrode of claim 10. Withdrawn
Claim 13. (Withdrawn-Previously presented) A sensor, comprising: a first layer comprising a catalyst; a second layer comprising graphene formed on the first layer; and metal nanoparticles formed through a catalytic chemical reaction at a region of the second layer where the graphene is positioned on the catalyst wherein the first layer forms a catalyst pattern, and the metal nanoparticles are formed on the graphene along the catalyst pattern. Canceled
The sensor of claim 13, wherein the sensor is a gas sensor, a glucose sensor, or a surface plasmon resonance (SPR) sensor. Withdrawn
Claims 15-17. Claim 18. (Withdrawn-Previously presented) A cell culture substrate, comprising: a first layer comprising the material inducing adhesion or proliferation of cells; and a second layer comprising graphene formed on the first layer, in which the material inducing adhesion or proliferation of cells performs the adhesion or proliferation of cells at a region of the second layer where the graphene is positioned on the material inducing adhesion or proliferation of cells, wherein the first layer forms a material pattern, and the adhesion or proliferation of cells is performed on the graphene along the pattern; and wherein the cell culture substrate is configured so that the cell adheres or proliferates only on the top surface of the graphene. Canceled
Canceled
The cell culture substrate of claim 18, wherein the first layer is prepared with a metal. Withdrawn
Canceled
A transplant comprising the cell culture substrate of claim 18. Withdrawn
The transplant of claim 21, wherein a subject material in the form of an organic compound, polymer, protein, peptide, DNA, RNA, or polynucleotide, which is capable of inducing differentiation of a stem cell into a particular cell or cell movement toward a particular direction, is further coated on the second layer of the cell culture substrate. Withdrawn
Canceled
(Withdrawn-Previously presented) A method of performing a chemical reaction of a first reactant and a second reactant in a condition where the first and second reactants, between which a chemical reaction occurs through mutual transfer of electrons and holes, are separated by graphene exhibiting chemical transparency, wherein the method comprises: contacting the reactants so that the first reactant is in contact with only one side of the graphene, and the second reactant is in contact with only the other side of the graphene, and the chemical reaction occurs through mutual transfer of electrons and holes between the first and second reactants. Withdrawn
The method of claim 24, wherein the chemical reaction is an oxidation- reduction reaction. Withdrawn
Claim 27. (Withdrawn-Previously presented) A device, comprising a first means forming a first product from a first reactant; a second means forming a second product from a second reactant; and graphene capable of exhibiting chemical transparency and separating the first and second reactants, in which electrons or holes, which are produced when the first product is produced from the first reactant, are delivered to the second reactant through the graphene to produce the second product, wherein the device is configured so that the first reactant is in contact with only one side of the graphene, the second reactant is in contact with only the other side of the graphene, and electrons or holes from the first reactant are delivered to the second reactant through the graphene. Canceled
(Withdrawn-Previously presented) A multi-layered electronic device, comprising at least one active layer between two electrode layers, wherein at least one layer of graphene exhibiting chemical transparency is inserted between a first layer and a second layer, wherein the electronic device is configured so that the first layer is in contact with only one side of the graphene, and the second layer is in contact with only the other side of the graphene, while a function of each layer is maintained. Withdrawn
The electronic device of claim 28, wherein an upper layer is formed on a lower layer whose surface is protected with graphene, by a solution process when the multi- layered electronic device is prepared. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene-on-catalyst substrate for catalytic reaction
electrode with graphene overlayer
sensor with metal nanoparticles on graphene
Materials described outside the worked examples.
graphene
catalyst
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≥ 12 hours | — |
Thickness | ≥ 1 cm |
Table 1
SVG
Types of the catalysts, and examples of reactions in which such catalysts can be used are summarized in Table 1 below.
p. 5
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,492,261Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematic diagram of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 2 is a flow chart showing the process of the surface modification using chemical reaction transparency of graphene according to the present invention.
FIG. 3 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 4 is a schematic diagram of a layered structure, which can be provided by the method of modifying the graphene surface according to an exemplary …
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
FIG. 6. Here, produced Zn O nanorods has a matching atomic arrangement with the bottom Zn O substrate underneath graphene, transparency of graphene enables the …
FIG. 7 is an image of a hydrogen sensor in which the graphene prepared according to an exemplary embodiment of the present invention and platinum nanoparticles …
FIG. 8. As shown in
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of performing a catalytic reaction using chemical transparency of graphene on a substrate comprising the steps of: providing a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions,; and a graphene layer covering the one or more catalytic regions and the one or more non- catal y tic regions;, contacting a reactant with the graphene layer; and reacting the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene layer along the catalyst pattern, wherein the one or more non- catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact. Currently amended
The method of claim 1, wherein the catalyst is a photocatalyst, an electrocatalyst, or an electrode active material. Currently amended
The method of claim 1, wherein the catalyst act as a reducing agent in the catalytic reaction. Currently amended
The method of claim 1, wherein the graphene layer inhibits inactivation of the catalyst. Currently amended
Canceled
Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing a surface-modified graphene through [[the]] a catalytic chemical reaction on a substrate comprising a catalyst disposed on a portion of a first layer to form a catalyst layer comprising one or more catalytic regions and one or more non-catalytic regions; and a graphene layer covering the one or more catalytic regions and the one or more non-catalytic regions -a, contacting a reactant with the graphene layer; and performing a catalytic chemical reaction of the reactant with the catalyst at the one or more catalytic regions through the graphene layer so that the catalytic reaction occurs on the graphene la y er along the catalyst pattern, wherein the one or more non-catalytic regions may be provided in the edge of the one or more catalytic regions so that the catalyst and the reactant does not directly contact,,. Currently amended
(Withdrawn-Currently Amended) The method of claim 8, wherein the one or more catalytic regions and the one or more non-catalytic regions forms a catalyst pattern, and the catalytic chemical reaction is performed at the catalyst where the graphene layer is positioned on the one or more catalytic regions, thereby preparing the surface-modified graphene along the catalyst pattern. Currently amended
(Withdrawn-Previously presented) An electrode, comprising a first layer comprising an electrode active material and a second layer comprising graphene formed on the first layer, in which the electrode active material performs an oxidation-reduction reaction at a region of the second layer where the graphene is positioned on the electrode active material, wherein the first layer forms a electrode active material pattern, and the oxidation-reduction reaction is performed on the graphene along the pattern; and wherein the electrode is configured so that the electrode active material is in contact only with the top surface of the graphene, and the oxidation-reduction reaction of the electrode active material occurs on the top surface of the graphene. Withdrawn
A cell comprising the electrode of claim 10. Withdrawn
Claim 13. (Withdrawn-Previously presented) A sensor, comprising: a first layer comprising a catalyst; a second layer comprising graphene formed on the first layer; and metal nanoparticles formed through a catalytic chemical reaction at a region of the second layer where the graphene is positioned on the catalyst wherein the first layer forms a catalyst pattern, and the metal nanoparticles are formed on the graphene along the catalyst pattern. Canceled
The sensor of claim 13, wherein the sensor is a gas sensor, a glucose sensor, or a surface plasmon resonance (SPR) sensor. Withdrawn
Claims 15-17. Claim 18. (Withdrawn-Previously presented) A cell culture substrate, comprising: a first layer comprising the material inducing adhesion or proliferation of cells; and a second layer comprising graphene formed on the first layer, in which the material inducing adhesion or proliferation of cells performs the adhesion or proliferation of cells at a region of the second layer where the graphene is positioned on the material inducing adhesion or proliferation of cells, wherein the first layer forms a material pattern, and the adhesion or proliferation of cells is performed on the graphene along the pattern; and wherein the cell culture substrate is configured so that the cell adheres or proliferates only on the top surface of the graphene. Canceled
Canceled
The cell culture substrate of claim 18, wherein the first layer is prepared with a metal. Withdrawn
Canceled
A transplant comprising the cell culture substrate of claim 18. Withdrawn
The transplant of claim 21, wherein a subject material in the form of an organic compound, polymer, protein, peptide, DNA, RNA, or polynucleotide, which is capable of inducing differentiation of a stem cell into a particular cell or cell movement toward a particular direction, is further coated on the second layer of the cell culture substrate. Withdrawn
Canceled
(Withdrawn-Previously presented) A method of performing a chemical reaction of a first reactant and a second reactant in a condition where the first and second reactants, between which a chemical reaction occurs through mutual transfer of electrons and holes, are separated by graphene exhibiting chemical transparency, wherein the method comprises: contacting the reactants so that the first reactant is in contact with only one side of the graphene, and the second reactant is in contact with only the other side of the graphene, and the chemical reaction occurs through mutual transfer of electrons and holes between the first and second reactants. Withdrawn
The method of claim 24, wherein the chemical reaction is an oxidation- reduction reaction. Withdrawn
Claim 27. (Withdrawn-Previously presented) A device, comprising a first means forming a first product from a first reactant; a second means forming a second product from a second reactant; and graphene capable of exhibiting chemical transparency and separating the first and second reactants, in which electrons or holes, which are produced when the first product is produced from the first reactant, are delivered to the second reactant through the graphene to produce the second product, wherein the device is configured so that the first reactant is in contact with only one side of the graphene, the second reactant is in contact with only the other side of the graphene, and electrons or holes from the first reactant are delivered to the second reactant through the graphene. Canceled
(Withdrawn-Previously presented) A multi-layered electronic device, comprising at least one active layer between two electrode layers, wherein at least one layer of graphene exhibiting chemical transparency is inserted between a first layer and a second layer, wherein the electronic device is configured so that the first layer is in contact with only one side of the graphene, and the second layer is in contact with only the other side of the graphene, while a function of each layer is maintained. Withdrawn
The electronic device of claim 28, wherein an upper layer is formed on a lower layer whose surface is protected with graphene, by a solution process when the multi- layered electronic device is prepared. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene-on-catalyst substrate for catalytic reaction
electrode with graphene overlayer
sensor with metal nanoparticles on graphene
Materials described outside the worked examples.
graphene
catalyst
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5. Example 2: Modification of graphene surface using chemical reaction transparency As a substrate for positioning graphene, a copper foil (46986, 99.8% …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | ≥ 12 hours | — |
Thickness | ≥ 1 cm |
Table 1
SVG
Types of the catalysts, and examples of reactions in which such catalysts can be used are summarized in Table 1 below.
p. 5
Related documents with shared materials, methods, properties, or citations.
cell culture substrate with graphene overlayer
device with graphene separating two reactants
multi-layered electronic device with graphene interlayer
photocatalyst, electrocatalyst, or electrode active material
electrode active material
metal nanoparticles
metal
TiO₂ (anatase)
TiO₂
ZnO
CdS
ZrO₂
SnO₂
WO₃
SrTiO₃
| — |
cell culture substrate with graphene overlayer
device with graphene separating two reactants
multi-layered electronic device with graphene interlayer
photocatalyst, electrocatalyst, or electrode active material
electrode active material
metal nanoparticles
metal
TiO₂ (anatase)
TiO₂
ZnO
CdS
ZrO₂
SnO₂
WO₃
SrTiO₃
| — |
cell culture substrate with graphene overlayer
device with graphene separating two reactants
multi-layered electronic device with graphene interlayer
photocatalyst, electrocatalyst, or electrode active material
electrode active material
metal nanoparticles
metal
TiO₂ (anatase)
TiO₂
ZnO
CdS
ZrO₂
SnO₂
WO₃
SrTiO₃
| — |
cell culture substrate with graphene overlayer
device with graphene separating two reactants
multi-layered electronic device with graphene interlayer
photocatalyst, electrocatalyst, or electrode active material
electrode active material
metal nanoparticles
metal
TiO₂ (anatase)
TiO₂
ZnO
CdS
ZrO₂
SnO₂
WO₃
SrTiO₃
| — |