Patent
US 8,945,937APPARATUS AND METHOD FOR ANALYZING GRAPHENE AND GRAPHENE BOUNDARY
Young-hee LEE
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 8,945,937Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a flowchart illustrating a method of analyzing graphene, which includes example embodiments of an oxidization process shown in
FIGS. 2A and 2B show a side shape of a graphene structure which can be used in example embodiments; [0024]
FIG. 3 shows a surface shape of graphene synthesized with polycrystals; [0025]
FIGS. 4A through 4D are diagrams showing a process in which some of materials which form a first graphene structure are reformed to form a second graphene …
FIG. 5 shows a shape resulting from observation of a surface of graphene synthesized with polycrystals by using an optical microscope; and [0027]
FIG. 6 is a block diagram of an apparatus for analyzing graphene by using a method of analyzing graphene according to example embodiments.
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 analyzing graphene, the method comprising: providing a first graphene structure including, graphene having grains and grain boundaries, and a support portion for supporting the graphene; generating a second graphene structure by oxidizing the first graphene structure; and detecting a shape of the graphene.
The method of claim 1, wherein the support portion is made of an oxidizable material.
The method of claim 1, wherein the support portion comprises: a first support portion contacting the graphene, the first support portion made of metal; and a second support portion supporting the first support portion.
The method of claim 1, wherein the generating a second graphene structure comprises: disposing the first graphene structure in an environment including water vapor (H₂ O) and oxygen (O); and irradiating ultraviolet (UV) rays to the first graphene structure.
The method of claim 1, wherein the detecting a shape of the graphene includes using an optical microscope.
The method of claim 1, wherein the generating a second graphene structure by oxidizing the first graphene structure includes forming an oxide in a part of the support portion abutting the grain boundaries, the oxide having a width larger than a width of the grain boundaries of the graphene.
An apparatus- of for analyzing a graphene structure comprising: an oxidization unit configured to receive the graphene structure including graphene and a support portion for supporting the graphene, the graphene including Page 3 Application No. 13/904,526 Attorney Docket No. 2557S I-001 962-US grains and grain boundaries, and form oxides by oxidizing parts of the support portion corresponding to the grain boundaries of the graphene; and a graphene shape detection unit configured to detect a shape of the graphene after the g raphene structure has been oxidized by the oxidation unit.
The apparatus of claim 11, further comprising: an analysis unit configured to analyze properties of the graphene from the shape of the graphene.
The apparatus of claim 11, wherein the oxidization unit comprises: a humidity adjustment unit configured to supply water vapor; and an ultraviolet (UV) light source unit configured to irradiate UV rays to form an oxidizer from the water vapor.
The apparatus of claim 11, wherein the graphene shape detection unit comprises an optical microscope configured to detect shapes of the grains and the grain boundaries of the graphene.
A graphene structure comprising: graphene including grains and grain boundaries; a support portion supporting the graphene; and an oxide in a part of the support portion abutting the grain boundaries.
The graphene structure of claim 17, wherein a width of the oxide is larger than a width of the grain boundaries.
The graphene structure of claim 17, wherein the support portion is made of metal.
The graphene structure of claim 17, wherein portion contacting the graphene, the first support support portion supporting the first support portion.
Layer stacks claimed or described, ordered top of device to substrate.
first graphene structure
graphene analysis apparatus
No layer stack recorded.
graphene structure with oxide at grain boundaries
Materials described outside the worked examples.
graphene
aluminum
Al
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 500–600 nm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,945,937Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a flowchart illustrating a method of analyzing graphene, which includes example embodiments of an oxidization process shown in
FIGS. 2A and 2B show a side shape of a graphene structure which can be used in example embodiments; [0024]
FIG. 3 shows a surface shape of graphene synthesized with polycrystals; [0025]
FIGS. 4A through 4D are diagrams showing a process in which some of materials which form a first graphene structure are reformed to form a second graphene …
FIG. 5 shows a shape resulting from observation of a surface of graphene synthesized with polycrystals by using an optical microscope; and [0027]
FIG. 6 is a block diagram of an apparatus for analyzing graphene by using a method of analyzing graphene according to example embodiments.
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 analyzing graphene, the method comprising: providing a first graphene structure including, graphene having grains and grain boundaries, and a support portion for supporting the graphene; generating a second graphene structure by oxidizing the first graphene structure; and detecting a shape of the graphene.
The method of claim 1, wherein the support portion is made of an oxidizable material.
The method of claim 1, wherein the support portion comprises: a first support portion contacting the graphene, the first support portion made of metal; and a second support portion supporting the first support portion.
The method of claim 1, wherein the generating a second graphene structure comprises: disposing the first graphene structure in an environment including water vapor (H₂ O) and oxygen (O); and irradiating ultraviolet (UV) rays to the first graphene structure.
The method of claim 1, wherein the detecting a shape of the graphene includes using an optical microscope.
The method of claim 1, wherein the generating a second graphene structure by oxidizing the first graphene structure includes forming an oxide in a part of the support portion abutting the grain boundaries, the oxide having a width larger than a width of the grain boundaries of the graphene.
An apparatus- of for analyzing a graphene structure comprising: an oxidization unit configured to receive the graphene structure including graphene and a support portion for supporting the graphene, the graphene including Page 3 Application No. 13/904,526 Attorney Docket No. 2557S I-001 962-US grains and grain boundaries, and form oxides by oxidizing parts of the support portion corresponding to the grain boundaries of the graphene; and a graphene shape detection unit configured to detect a shape of the graphene after the g raphene structure has been oxidized by the oxidation unit.
The apparatus of claim 11, further comprising: an analysis unit configured to analyze properties of the graphene from the shape of the graphene.
The apparatus of claim 11, wherein the oxidization unit comprises: a humidity adjustment unit configured to supply water vapor; and an ultraviolet (UV) light source unit configured to irradiate UV rays to form an oxidizer from the water vapor.
The apparatus of claim 11, wherein the graphene shape detection unit comprises an optical microscope configured to detect shapes of the grains and the grain boundaries of the graphene.
A graphene structure comprising: graphene including grains and grain boundaries; a support portion supporting the graphene; and an oxide in a part of the support portion abutting the grain boundaries.
The graphene structure of claim 17, wherein a width of the oxide is larger than a width of the grain boundaries.
The graphene structure of claim 17, wherein the support portion is made of metal.
The graphene structure of claim 17, wherein portion contacting the graphene, the first support support portion supporting the first support portion.
Layer stacks claimed or described, ordered top of device to substrate.
first graphene structure
graphene analysis apparatus
No layer stack recorded.
graphene structure with oxide at grain boundaries
Materials described outside the worked examples.
graphene
aluminum
Al
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 500–600 nm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,945,937Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a flowchart illustrating a method of analyzing graphene, which includes example embodiments of an oxidization process shown in
FIGS. 2A and 2B show a side shape of a graphene structure which can be used in example embodiments; [0024]
FIG. 3 shows a surface shape of graphene synthesized with polycrystals; [0025]
FIGS. 4A through 4D are diagrams showing a process in which some of materials which form a first graphene structure are reformed to form a second graphene …
FIG. 5 shows a shape resulting from observation of a surface of graphene synthesized with polycrystals by using an optical microscope; and [0027]
FIG. 6 is a block diagram of an apparatus for analyzing graphene by using a method of analyzing graphene according to example embodiments.
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 analyzing graphene, the method comprising: providing a first graphene structure including, graphene having grains and grain boundaries, and a support portion for supporting the graphene; generating a second graphene structure by oxidizing the first graphene structure; and detecting a shape of the graphene.
The method of claim 1, wherein the support portion is made of an oxidizable material.
The method of claim 1, wherein the support portion comprises: a first support portion contacting the graphene, the first support portion made of metal; and a second support portion supporting the first support portion.
The method of claim 1, wherein the generating a second graphene structure comprises: disposing the first graphene structure in an environment including water vapor (H₂ O) and oxygen (O); and irradiating ultraviolet (UV) rays to the first graphene structure.
The method of claim 1, wherein the detecting a shape of the graphene includes using an optical microscope.
The method of claim 1, wherein the generating a second graphene structure by oxidizing the first graphene structure includes forming an oxide in a part of the support portion abutting the grain boundaries, the oxide having a width larger than a width of the grain boundaries of the graphene.
An apparatus- of for analyzing a graphene structure comprising: an oxidization unit configured to receive the graphene structure including graphene and a support portion for supporting the graphene, the graphene including Page 3 Application No. 13/904,526 Attorney Docket No. 2557S I-001 962-US grains and grain boundaries, and form oxides by oxidizing parts of the support portion corresponding to the grain boundaries of the graphene; and a graphene shape detection unit configured to detect a shape of the graphene after the g raphene structure has been oxidized by the oxidation unit.
The apparatus of claim 11, further comprising: an analysis unit configured to analyze properties of the graphene from the shape of the graphene.
The apparatus of claim 11, wherein the oxidization unit comprises: a humidity adjustment unit configured to supply water vapor; and an ultraviolet (UV) light source unit configured to irradiate UV rays to form an oxidizer from the water vapor.
The apparatus of claim 11, wherein the graphene shape detection unit comprises an optical microscope configured to detect shapes of the grains and the grain boundaries of the graphene.
A graphene structure comprising: graphene including grains and grain boundaries; a support portion supporting the graphene; and an oxide in a part of the support portion abutting the grain boundaries.
The graphene structure of claim 17, wherein a width of the oxide is larger than a width of the grain boundaries.
The graphene structure of claim 17, wherein the support portion is made of metal.
The graphene structure of claim 17, wherein portion contacting the graphene, the first support support portion supporting the first support portion.
Layer stacks claimed or described, ordered top of device to substrate.
first graphene structure
graphene analysis apparatus
No layer stack recorded.
graphene structure with oxide at grain boundaries
Materials described outside the worked examples.
graphene
aluminum
Al
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 500–600 nm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,945,937Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a flowchart illustrating a method of analyzing graphene, which includes example embodiments of an oxidization process shown in
FIGS. 2A and 2B show a side shape of a graphene structure which can be used in example embodiments; [0024]
FIG. 3 shows a surface shape of graphene synthesized with polycrystals; [0025]
FIGS. 4A through 4D are diagrams showing a process in which some of materials which form a first graphene structure are reformed to form a second graphene …
FIG. 5 shows a shape resulting from observation of a surface of graphene synthesized with polycrystals by using an optical microscope; and [0027]
FIG. 6 is a block diagram of an apparatus for analyzing graphene by using a method of analyzing graphene according to example embodiments.
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 analyzing graphene, the method comprising: providing a first graphene structure including, graphene having grains and grain boundaries, and a support portion for supporting the graphene; generating a second graphene structure by oxidizing the first graphene structure; and detecting a shape of the graphene.
The method of claim 1, wherein the support portion is made of an oxidizable material.
The method of claim 1, wherein the support portion comprises: a first support portion contacting the graphene, the first support portion made of metal; and a second support portion supporting the first support portion.
The method of claim 1, wherein the generating a second graphene structure comprises: disposing the first graphene structure in an environment including water vapor (H₂ O) and oxygen (O); and irradiating ultraviolet (UV) rays to the first graphene structure.
The method of claim 1, wherein the detecting a shape of the graphene includes using an optical microscope.
The method of claim 1, wherein the generating a second graphene structure by oxidizing the first graphene structure includes forming an oxide in a part of the support portion abutting the grain boundaries, the oxide having a width larger than a width of the grain boundaries of the graphene.
An apparatus- of for analyzing a graphene structure comprising: an oxidization unit configured to receive the graphene structure including graphene and a support portion for supporting the graphene, the graphene including Page 3 Application No. 13/904,526 Attorney Docket No. 2557S I-001 962-US grains and grain boundaries, and form oxides by oxidizing parts of the support portion corresponding to the grain boundaries of the graphene; and a graphene shape detection unit configured to detect a shape of the graphene after the g raphene structure has been oxidized by the oxidation unit.
The apparatus of claim 11, further comprising: an analysis unit configured to analyze properties of the graphene from the shape of the graphene.
The apparatus of claim 11, wherein the oxidization unit comprises: a humidity adjustment unit configured to supply water vapor; and an ultraviolet (UV) light source unit configured to irradiate UV rays to form an oxidizer from the water vapor.
The apparatus of claim 11, wherein the graphene shape detection unit comprises an optical microscope configured to detect shapes of the grains and the grain boundaries of the graphene.
A graphene structure comprising: graphene including grains and grain boundaries; a support portion supporting the graphene; and an oxide in a part of the support portion abutting the grain boundaries.
The graphene structure of claim 17, wherein a width of the oxide is larger than a width of the grain boundaries.
The graphene structure of claim 17, wherein the support portion is made of metal.
The graphene structure of claim 17, wherein portion contacting the graphene, the first support support portion supporting the first support portion.
Layer stacks claimed or described, ordered top of device to substrate.
first graphene structure
graphene analysis apparatus
No layer stack recorded.
graphene structure with oxide at grain boundaries
Materials described outside the worked examples.
graphene
aluminum
Al
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 500–600 nm | — |
Related documents with shared materials, methods, properties, or citations.
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
palladium
Pd
oxide
copper hydroxide
Cu(OH)2
metallic catalyst for CVD graphene synthesis
Methods of manufacturing and transferring larger-sized graphene
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
palladium
Pd
oxide
copper hydroxide
Cu(OH)2
metallic catalyst for CVD graphene synthesis
Methods of manufacturing and transferring larger-sized graphene
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
palladium
Pd
oxide
copper hydroxide
Cu(OH)2
metallic catalyst for CVD graphene synthesis
Methods of manufacturing and transferring larger-sized graphene
iron
Fe
cobalt
Co
nickel
Ni
copper
Cu
palladium
Pd
oxide
copper hydroxide
Cu(OH)2
metallic catalyst for CVD graphene synthesis
Methods of manufacturing and transferring larger-sized graphene