Patent
US 9,988,274METHOD FOR CHEMICAL MODIFICATION OF A GRAPHENE EDGE, GRAPHENE WITH A CHEMICALLY MODIFIED EDGE AND DEVICES INCLUDING THE GRAPHENE
Won Mook CHOI
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,988,274Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Graphene, consisting of a single layer of graphene in a thickness direction; and a functional group disposed on an edge of the graphene, wherein the functional group comprises = 0, and-CH= 0,-COO R wherein R in-COO R represents C I -C 6 alkyl, or a combination thereof, wherein a content of the = 0 group is greater than a content of each of the -CH= O group if present and the-COO R group if present. Currently amended
The graphene according to claim 1, wherein the functional group is a product of contacting with water, alcohol or a combination thereof. Previously presented
The graphene according to claim 1, wherein the graphene is a graphene sheet formed of polycyclic aromatic molecules with covalently bonded carbon atoms, and further wherein the graphene sheet comprises dimensions of greater than or equal to about 1 mm along each of a transverse direction and a longitudinal direction. Previously presented
The graphene according to claim 1, wherein the functional group comprises-COO R, wherein R represents C 1 -C 6 alkyl. Response dated: Previously presented
The graphene according to claim 1, wherein RD-200811- O₁₁ -1-US O -DIV Previously presented graphene consists o f a functional group disposed group comprises =0, and -CH= 0,-COO R thereof, wherein a content of the = 0 O group if present and the-COO R group if the functional group comprises -CH= 0.
Canceled
The graphene according to claim 2, wherein the functional group is a product of contacting with steam. Previously presented
A device comprising graphene, wherein the on an edge of the graphene, wherein the functional wherein R represents C 1 -C 6 alkyl, and a combination group is greater than a content of each of the -CH= present. Previously presented
8-13. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
device comprising edge-functionalized graphene
Materials described outside the worked examples.
graphene (single layer, edge-functionalized)
C
edge functional group (=O, -CH=O, -COOR)
ester functional group (-COOR, R = C₁-C₆ alkyl)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | — | C |
Thickness | 10–700 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,988,274Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Graphene, consisting of a single layer of graphene in a thickness direction; and a functional group disposed on an edge of the graphene, wherein the functional group comprises = 0, and-CH= 0,-COO R wherein R in-COO R represents C I -C 6 alkyl, or a combination thereof, wherein a content of the = 0 group is greater than a content of each of the -CH= O group if present and the-COO R group if present. Currently amended
The graphene according to claim 1, wherein the functional group is a product of contacting with water, alcohol or a combination thereof. Previously presented
The graphene according to claim 1, wherein the graphene is a graphene sheet formed of polycyclic aromatic molecules with covalently bonded carbon atoms, and further wherein the graphene sheet comprises dimensions of greater than or equal to about 1 mm along each of a transverse direction and a longitudinal direction. Previously presented
The graphene according to claim 1, wherein the functional group comprises-COO R, wherein R represents C 1 -C 6 alkyl. Response dated: Previously presented
The graphene according to claim 1, wherein RD-200811- O₁₁ -1-US O -DIV Previously presented graphene consists o f a functional group disposed group comprises =0, and -CH= 0,-COO R thereof, wherein a content of the = 0 O group if present and the-COO R group if the functional group comprises -CH= 0.
Canceled
The graphene according to claim 2, wherein the functional group is a product of contacting with steam. Previously presented
A device comprising graphene, wherein the on an edge of the graphene, wherein the functional wherein R represents C 1 -C 6 alkyl, and a combination group is greater than a content of each of the -CH= present. Previously presented
8-13. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
device comprising edge-functionalized graphene
Materials described outside the worked examples.
graphene (single layer, edge-functionalized)
C
edge functional group (=O, -CH=O, -COOR)
ester functional group (-COOR, R = C₁-C₆ alkyl)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | — | C |
Thickness | 10–700 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,988,274Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Graphene, consisting of a single layer of graphene in a thickness direction; and a functional group disposed on an edge of the graphene, wherein the functional group comprises = 0, and-CH= 0,-COO R wherein R in-COO R represents C I -C 6 alkyl, or a combination thereof, wherein a content of the = 0 group is greater than a content of each of the -CH= O group if present and the-COO R group if present. Currently amended
The graphene according to claim 1, wherein the functional group is a product of contacting with water, alcohol or a combination thereof. Previously presented
The graphene according to claim 1, wherein the graphene is a graphene sheet formed of polycyclic aromatic molecules with covalently bonded carbon atoms, and further wherein the graphene sheet comprises dimensions of greater than or equal to about 1 mm along each of a transverse direction and a longitudinal direction. Previously presented
The graphene according to claim 1, wherein the functional group comprises-COO R, wherein R represents C 1 -C 6 alkyl. Response dated: Previously presented
The graphene according to claim 1, wherein RD-200811- O₁₁ -1-US O -DIV Previously presented graphene consists o f a functional group disposed group comprises =0, and -CH= 0,-COO R thereof, wherein a content of the = 0 O group if present and the-COO R group if the functional group comprises -CH= 0.
Canceled
The graphene according to claim 2, wherein the functional group is a product of contacting with steam. Previously presented
A device comprising graphene, wherein the on an edge of the graphene, wherein the functional wherein R represents C 1 -C 6 alkyl, and a combination group is greater than a content of each of the -CH= present. Previously presented
8-13. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
device comprising edge-functionalized graphene
Materials described outside the worked examples.
graphene (single layer, edge-functionalized)
C
edge functional group (=O, -CH=O, -COOR)
ester functional group (-COOR, R = C₁-C₆ alkyl)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | — | C |
Thickness | 10–700 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,988,274Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Graphene, consisting of a single layer of graphene in a thickness direction; and a functional group disposed on an edge of the graphene, wherein the functional group comprises = 0, and-CH= 0,-COO R wherein R in-COO R represents C I -C 6 alkyl, or a combination thereof, wherein a content of the = 0 group is greater than a content of each of the -CH= O group if present and the-COO R group if present. Currently amended
The graphene according to claim 1, wherein the functional group is a product of contacting with water, alcohol or a combination thereof. Previously presented
The graphene according to claim 1, wherein the graphene is a graphene sheet formed of polycyclic aromatic molecules with covalently bonded carbon atoms, and further wherein the graphene sheet comprises dimensions of greater than or equal to about 1 mm along each of a transverse direction and a longitudinal direction. Previously presented
The graphene according to claim 1, wherein the functional group comprises-COO R, wherein R represents C 1 -C 6 alkyl. Response dated: Previously presented
The graphene according to claim 1, wherein RD-200811- O₁₁ -1-US O -DIV Previously presented graphene consists o f a functional group disposed group comprises =0, and -CH= 0,-COO R thereof, wherein a content of the = 0 O group if present and the-COO R group if the functional group comprises -CH= 0.
Canceled
The graphene according to claim 2, wherein the functional group is a product of contacting with steam. Previously presented
A device comprising graphene, wherein the on an edge of the graphene, wherein the functional wherein R represents C 1 -C 6 alkyl, and a combination group is greater than a content of each of the -CH= present. Previously presented
8-13. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
device comprising edge-functionalized graphene
Materials described outside the worked examples.
graphene (single layer, edge-functionalized)
C
edge functional group (=O, -CH=O, -COOR)
ester functional group (-COOR, R = C₁-C₆ alkyl)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 shows chemical formulas of an exemplary embodiment of a modified graphene edge; and 3 10-2009-0003302-DIV 0F₀ 8P₃₅₀/U S/WSC-D IV KCLOO₈₅USD [0015]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | — | C |
Thickness | 10–700 nm |
Related documents with shared materials, methods, properties, or citations.
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
| — |
Thickness | 100–500 nm | — |
Thickness | 0.01–5 mm | — |
Thickness | 0.05–2 mm | — |
Duration | 1–50 minutes | — |
Duration | 600–172800 s | — |
Duration | 1200–86400 s | — |
Duration | 2400–43200 s | — |
— | 20–100 W | — |
Duration | 1–1000 seconds | — |
Duration | 10–200 seconds | — |
Duration | 60–3600 s | — |
Pressure | ≤ 50 mTorr | — |
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
| — |
Thickness | 100–500 nm | — |
Thickness | 0.01–5 mm | — |
Thickness | 0.05–2 mm | — |
Duration | 1–50 minutes | — |
Duration | 600–172800 s | — |
Duration | 1200–86400 s | — |
Duration | 2400–43200 s | — |
— | 20–100 W | — |
Duration | 1–1000 seconds | — |
Duration | 10–200 seconds | — |
Duration | 60–3600 s | — |
Pressure | ≤ 50 mTorr | — |
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
| — |
Thickness | 100–500 nm | — |
Thickness | 0.01–5 mm | — |
Thickness | 0.05–2 mm | — |
Duration | 1–50 minutes | — |
Duration | 600–172800 s | — |
Duration | 1200–86400 s | — |
Duration | 2400–43200 s | — |
— | 20–100 W | — |
Duration | 1–1000 seconds | — |
Duration | 10–200 seconds | — |
Duration | 60–3600 s | — |
Pressure | ≤ 50 mTorr | — |
FIG. 3 is a graph illustrating FT- I R spectrums of graphene edges in a graph of transmittance (arbitrary units, a.u.) versus wave number (inverse centimeters, …
| — |
Thickness | 100–500 nm | — |
Thickness | 0.01–5 mm | — |
Thickness | 0.05–2 mm | — |
Duration | 1–50 minutes | — |
Duration | 600–172800 s | — |
Duration | 1200–86400 s | — |
Duration | 2400–43200 s | — |
— | 20–100 W | — |
Duration | 1–1000 seconds | — |
Duration | 10–200 seconds | — |
Duration | 60–3600 s | — |
Pressure | ≤ 50 mTorr | — |