Patent
US 9,887,020DOPED GRAPHENE, METHOD OF MANUFACTURING THE DOPED GRAPHENE, AND A DEVICE INCLUDING THE DOPED GRAPHENE
Hyeon-jin SHIN
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,887,020Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising. a graphene sheet having a planar structure, wherein the graphene sheet consists of a plurality of carbon atoms covalently bound to each other; and at least one p-dopant selected from the group consisting of NO 2 BF 4, NOBF 4, NO 2 SbF 6 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.8.499.787.524.814.svg 0.09 0.083 Chemistry Black and white HCl, H 2 PO 4, CH 3 COOH, dichlorodicyanoquinone, potassium peroxymonosulfate, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide, HIPtCl 4, AuCl 3 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.9.1877.873.1901.900.svg 0.09 0.08 Chemistry Black and white HAuCl 4, silver trifluoromethanesulfonate, AgNO3, H 2 PdCl 6, palladium(II) acetate, and Cu(CN)2, or at least one n-dopant selected from the group consisting of a reduction product of a substituted or unsubstituted nicotinamide; a reduction product of a compound which is chemically bound to a substituted or unsubstituted nicotinamide; and a compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced, wherein the reduction product of the compound which is chemically bound to the substituted or unsubstituted nicotinamide is nicotinamide mononucleotide-H or nicotinamide adenine dinucleotide phosphate-H, wherein the compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced is a viologen, wherein the at least one p-dopant or the at least one n-dopant is on the surface of the graphene sheet, and wherein the composition has a work function which is different than a work function of the graphene sheet.
The composition of claim 1, wherein the p-dopant comprises at least one selected from the group consisting of an ionic liquid, an acidic compound, and an organic compound.
The composition of claim 1, wherein the viologen is at least one selected from the group consisting of 1,1'-dibenzyl-4,4'-bipyridinium dichloride, methyl viologen dichloride hydrate, ethyl viologen diperchlorate, 1,1'-dioctadecyl-4,4'- bipyridinium dibromide, and di-octyl bis(4-pyridyl)biphenyl viologen.
The composition of claim 1, wherein the viologen has a molecular structure which includes a conjugated bipyridyl structure.
An electrode comprising the composition of claim 1.
The composition of claim 1, wherein the composition comprises a p-dopant selected from the group consisting of AuC l 3 and dichlorodicyanoquinone.
The composition of claim 1, wherein the composition comprises 1,1'-dibenzyl-4,4'- bipyridinium dichloride. YPLO₈₆₉US 4 SI-35778-US RD-200909-013-1-USO
canceled
YPL0869US 2 SI-3 5778-US RD-200909-0 13-1-US₀ Application No. 12/847,389 Response dated: canceled
canceled
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
electrode
display device
solar cell
Materials described outside the worked examples.
graphene sheet
NO₂BF₄
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–100 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,887,020Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising. a graphene sheet having a planar structure, wherein the graphene sheet consists of a plurality of carbon atoms covalently bound to each other; and at least one p-dopant selected from the group consisting of NO 2 BF 4, NOBF 4, NO 2 SbF 6 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.8.499.787.524.814.svg 0.09 0.083 Chemistry Black and white HCl, H 2 PO 4, CH 3 COOH, dichlorodicyanoquinone, potassium peroxymonosulfate, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide, HIPtCl 4, AuCl 3 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.9.1877.873.1901.900.svg 0.09 0.08 Chemistry Black and white HAuCl 4, silver trifluoromethanesulfonate, AgNO3, H 2 PdCl 6, palladium(II) acetate, and Cu(CN)2, or at least one n-dopant selected from the group consisting of a reduction product of a substituted or unsubstituted nicotinamide; a reduction product of a compound which is chemically bound to a substituted or unsubstituted nicotinamide; and a compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced, wherein the reduction product of the compound which is chemically bound to the substituted or unsubstituted nicotinamide is nicotinamide mononucleotide-H or nicotinamide adenine dinucleotide phosphate-H, wherein the compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced is a viologen, wherein the at least one p-dopant or the at least one n-dopant is on the surface of the graphene sheet, and wherein the composition has a work function which is different than a work function of the graphene sheet.
The composition of claim 1, wherein the p-dopant comprises at least one selected from the group consisting of an ionic liquid, an acidic compound, and an organic compound.
The composition of claim 1, wherein the viologen is at least one selected from the group consisting of 1,1'-dibenzyl-4,4'-bipyridinium dichloride, methyl viologen dichloride hydrate, ethyl viologen diperchlorate, 1,1'-dioctadecyl-4,4'- bipyridinium dibromide, and di-octyl bis(4-pyridyl)biphenyl viologen.
The composition of claim 1, wherein the viologen has a molecular structure which includes a conjugated bipyridyl structure.
An electrode comprising the composition of claim 1.
The composition of claim 1, wherein the composition comprises a p-dopant selected from the group consisting of AuC l 3 and dichlorodicyanoquinone.
The composition of claim 1, wherein the composition comprises 1,1'-dibenzyl-4,4'- bipyridinium dichloride. YPLO₈₆₉US 4 SI-35778-US RD-200909-013-1-USO
canceled
YPL0869US 2 SI-3 5778-US RD-200909-0 13-1-US₀ Application No. 12/847,389 Response dated: canceled
canceled
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
electrode
display device
solar cell
Materials described outside the worked examples.
graphene sheet
NO₂BF₄
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–100 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,887,020Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising. a graphene sheet having a planar structure, wherein the graphene sheet consists of a plurality of carbon atoms covalently bound to each other; and at least one p-dopant selected from the group consisting of NO 2 BF 4, NOBF 4, NO 2 SbF 6 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.8.499.787.524.814.svg 0.09 0.083 Chemistry Black and white HCl, H 2 PO 4, CH 3 COOH, dichlorodicyanoquinone, potassium peroxymonosulfate, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide, HIPtCl 4, AuCl 3 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.9.1877.873.1901.900.svg 0.09 0.08 Chemistry Black and white HAuCl 4, silver trifluoromethanesulfonate, AgNO3, H 2 PdCl 6, palladium(II) acetate, and Cu(CN)2, or at least one n-dopant selected from the group consisting of a reduction product of a substituted or unsubstituted nicotinamide; a reduction product of a compound which is chemically bound to a substituted or unsubstituted nicotinamide; and a compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced, wherein the reduction product of the compound which is chemically bound to the substituted or unsubstituted nicotinamide is nicotinamide mononucleotide-H or nicotinamide adenine dinucleotide phosphate-H, wherein the compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced is a viologen, wherein the at least one p-dopant or the at least one n-dopant is on the surface of the graphene sheet, and wherein the composition has a work function which is different than a work function of the graphene sheet.
The composition of claim 1, wherein the p-dopant comprises at least one selected from the group consisting of an ionic liquid, an acidic compound, and an organic compound.
The composition of claim 1, wherein the viologen is at least one selected from the group consisting of 1,1'-dibenzyl-4,4'-bipyridinium dichloride, methyl viologen dichloride hydrate, ethyl viologen diperchlorate, 1,1'-dioctadecyl-4,4'- bipyridinium dibromide, and di-octyl bis(4-pyridyl)biphenyl viologen.
The composition of claim 1, wherein the viologen has a molecular structure which includes a conjugated bipyridyl structure.
An electrode comprising the composition of claim 1.
The composition of claim 1, wherein the composition comprises a p-dopant selected from the group consisting of AuC l 3 and dichlorodicyanoquinone.
The composition of claim 1, wherein the composition comprises 1,1'-dibenzyl-4,4'- bipyridinium dichloride. YPLO₈₆₉US 4 SI-35778-US RD-200909-013-1-USO
canceled
YPL0869US 2 SI-3 5778-US RD-200909-0 13-1-US₀ Application No. 12/847,389 Response dated: canceled
canceled
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
electrode
display device
solar cell
Materials described outside the worked examples.
graphene sheet
NO₂BF₄
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–100 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,887,020Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A composition comprising. a graphene sheet having a planar structure, wherein the graphene sheet consists of a plurality of carbon atoms covalently bound to each other; and at least one p-dopant selected from the group consisting of NO 2 BF 4, NOBF 4, NO 2 SbF 6 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.8.499.787.524.814.svg 0.09 0.083 Chemistry Black and white HCl, H 2 PO 4, CH 3 COOH, dichlorodicyanoquinone, potassium peroxymonosulfate, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide, HIPtCl 4, AuCl 3 SVG 12847389.06-08-2017.J₃PZKY₆JPXXIFW1.CLM.1.9.1877.873.1901.900.svg 0.09 0.08 Chemistry Black and white HAuCl 4, silver trifluoromethanesulfonate, AgNO3, H 2 PdCl 6, palladium(II) acetate, and Cu(CN)2, or at least one n-dopant selected from the group consisting of a reduction product of a substituted or unsubstituted nicotinamide; a reduction product of a compound which is chemically bound to a substituted or unsubstituted nicotinamide; and a compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced, wherein the reduction product of the compound which is chemically bound to the substituted or unsubstituted nicotinamide is nicotinamide mononucleotide-H or nicotinamide adenine dinucleotide phosphate-H, wherein the compound comprising at least two pyridinium moieties in which a nitrogen atom of at least one of the pyridinium moieties is reduced is a viologen, wherein the at least one p-dopant or the at least one n-dopant is on the surface of the graphene sheet, and wherein the composition has a work function which is different than a work function of the graphene sheet.
The composition of claim 1, wherein the p-dopant comprises at least one selected from the group consisting of an ionic liquid, an acidic compound, and an organic compound.
The composition of claim 1, wherein the viologen is at least one selected from the group consisting of 1,1'-dibenzyl-4,4'-bipyridinium dichloride, methyl viologen dichloride hydrate, ethyl viologen diperchlorate, 1,1'-dioctadecyl-4,4'- bipyridinium dibromide, and di-octyl bis(4-pyridyl)biphenyl viologen.
The composition of claim 1, wherein the viologen has a molecular structure which includes a conjugated bipyridyl structure.
An electrode comprising the composition of claim 1.
The composition of claim 1, wherein the composition comprises a p-dopant selected from the group consisting of AuC l 3 and dichlorodicyanoquinone.
The composition of claim 1, wherein the composition comprises 1,1'-dibenzyl-4,4'- bipyridinium dichloride. YPLO₈₆₉US 4 SI-35778-US RD-200909-013-1-USO
canceled
YPL0869US 2 SI-3 5778-US RD-200909-0 13-1-US₀ Application No. 12/847,389 Response dated: canceled
canceled
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
electrode
display device
solar cell
Materials described outside the worked examples.
graphene sheet
NO₂BF₄
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–100 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
NOBF₄
nitronium hexafluoroantimonate
NO₂SbF₆
HCl
dichlorodicyanoquinone
potassium peroxymonosulfate
AuCl₃
HAuCl₄
silver trifluoromethanesulfonate
AgNO₃
H₂PdCl₆
palladium(II) acetate
Cu(CN)2
dimyristoylphosphatidylinositol
trifluoromethanesulfonimide
HPtCl₄
nicotinamide mononucleotide-H
nicotinamide adenine dinucleotide phosphate-H
viologen
1,1'-dibenzyl-4,4'-bipyridinium dichloride
methyl viologen dichloride hydrate
ethyl viologen diperchlorate
1,1'-dioctadecyl-4,4'-bipyridinium dibromide
di-octyl bis(4-pyridyl)biphenyl viologen
H₂PO₄
CH₃COOH
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
| 10–80 nm |
| — |
Pressure | 0.000001 torr | — |
NOBF₄
nitronium hexafluoroantimonate
NO₂SbF₆
HCl
dichlorodicyanoquinone
potassium peroxymonosulfate
AuCl₃
HAuCl₄
silver trifluoromethanesulfonate
AgNO₃
H₂PdCl₆
palladium(II) acetate
Cu(CN)2
dimyristoylphosphatidylinositol
trifluoromethanesulfonimide
HPtCl₄
nicotinamide mononucleotide-H
nicotinamide adenine dinucleotide phosphate-H
viologen
1,1'-dibenzyl-4,4'-bipyridinium dichloride
methyl viologen dichloride hydrate
ethyl viologen diperchlorate
1,1'-dioctadecyl-4,4'-bipyridinium dibromide
di-octyl bis(4-pyridyl)biphenyl viologen
H₂PO₄
CH₃COOH
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
| 10–80 nm |
| — |
Pressure | 0.000001 torr | — |
NOBF₄
nitronium hexafluoroantimonate
NO₂SbF₆
HCl
dichlorodicyanoquinone
potassium peroxymonosulfate
AuCl₃
HAuCl₄
silver trifluoromethanesulfonate
AgNO₃
H₂PdCl₆
palladium(II) acetate
Cu(CN)2
dimyristoylphosphatidylinositol
trifluoromethanesulfonimide
HPtCl₄
nicotinamide mononucleotide-H
nicotinamide adenine dinucleotide phosphate-H
viologen
1,1'-dibenzyl-4,4'-bipyridinium dichloride
methyl viologen dichloride hydrate
ethyl viologen diperchlorate
1,1'-dioctadecyl-4,4'-bipyridinium dibromide
di-octyl bis(4-pyridyl)biphenyl viologen
H₂PO₄
CH₃COOH
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
| 10–80 nm |
| — |
Pressure | 0.000001 torr | — |
NOBF₄
nitronium hexafluoroantimonate
NO₂SbF₆
HCl
dichlorodicyanoquinone
potassium peroxymonosulfate
AuCl₃
HAuCl₄
silver trifluoromethanesulfonate
AgNO₃
H₂PdCl₆
palladium(II) acetate
Cu(CN)2
dimyristoylphosphatidylinositol
trifluoromethanesulfonimide
HPtCl₄
nicotinamide mononucleotide-H
nicotinamide adenine dinucleotide phosphate-H
viologen
1,1'-dibenzyl-4,4'-bipyridinium dichloride
methyl viologen dichloride hydrate
ethyl viologen diperchlorate
1,1'-dioctadecyl-4,4'-bipyridinium dibromide
di-octyl bis(4-pyridyl)biphenyl viologen
H₂PO₄
CH₃COOH
FIG. 1 is a graph illustrating sheet resistance (ohms per square) and work function (electron volts, eV) of exemplary embodiments of p- and n-doped graphene …
| 10–80 nm |
| — |
Pressure | 0.000001 torr | — |