Patent
US 9,728,605ROLL-TO-ROLL DOPING METHOD OF GRAPHENE FILM, AND DOPED GRAPHENE FILM
Byung Hee Hong
US
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Patent
Atlas literature
Patent
US 9,728,605Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Canceled) canceled
The apparatus of claim 8, wherein the graphene film is doped with an organic dopant, an inorganic dopant or their combination.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of an ionic liquid, an ionic gas, an acidic compound, and an organic polymeric compound.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of NO 2 BF 4, NOBF 4, N O 2 SbF 6, HCI, H 2 P O 4, CH 3 COO H, H 2 S O 4, HN O 3, PVDF, Nafion, AuC 3, SOC 1 2, Br 2, CH 3 NO 2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, and trifluoromethanesulfonimide.
The apparatus of claim 8, wherein the graphene film includes a monolayer graphene or a multilayer graphene.
The apparatus of claim 8, wherein the graphene film has a roll shape, a foil shape, a tube shape, a plate shape, a sheet shape or a wire shape.
(Currently Canceled) canceled
A roll-to-roll apparatus for doping a graphene film, com prising: a first roller unit that forms a layered structure including a forming substrate, the graphene film and a first flexible substrate; a second roller unit configured to immerse the layered structure from the first roller unit into an etching solution while passing the layered structure through the second roller unit to remove the forming substrate from the layered structure, and transfer the graphene film onto the first flexible substrate; a third roller unit configured to remove the graphene film from the first flexible substrate while transferring the graphene film onto a second flexible substrate; and a fourth roller unit configured to pass the graphene film through a dopant to dope the graphene film.
The apparatus of claim 8, wherein the fourth roller unit is provided between the second roller unit and the third roller unit, and immerses the graphene film formed on the first flexible substrate through the dopant.
The apparatus of claim 8, wherein the fourth roller unit is provided downstream of the third roller unit, and immerses the graphene film formed on the second flexible substrate through the dopant.
The apparatus of claim 8, wherein the dopant is provided in a doping solution.
The apparatus of claim 8, wherein the dopant is provided in dopant vapor. 4
Layer stacks claimed or described, ordered top of device to substrate.
roll-to-roll apparatus for doping a graphene film
Materials described outside the worked examples.
graphene film
organic dopant
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of conventional graphene film (background) | ~500 Ohm/square | graphene film |
optical transparency of conventional graphene film (background) | ~90 % |
Table 1
7 and Table 1 below provide results showing sheet resistance decrease and
p. 14
Patent
Atlas literature
Patent
US 9,728,605Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Canceled) canceled
The apparatus of claim 8, wherein the graphene film is doped with an organic dopant, an inorganic dopant or their combination.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of an ionic liquid, an ionic gas, an acidic compound, and an organic polymeric compound.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of NO 2 BF 4, NOBF 4, N O 2 SbF 6, HCI, H 2 P O 4, CH 3 COO H, H 2 S O 4, HN O 3, PVDF, Nafion, AuC 3, SOC 1 2, Br 2, CH 3 NO 2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, and trifluoromethanesulfonimide.
The apparatus of claim 8, wherein the graphene film includes a monolayer graphene or a multilayer graphene.
The apparatus of claim 8, wherein the graphene film has a roll shape, a foil shape, a tube shape, a plate shape, a sheet shape or a wire shape.
(Currently Canceled) canceled
A roll-to-roll apparatus for doping a graphene film, com prising: a first roller unit that forms a layered structure including a forming substrate, the graphene film and a first flexible substrate; a second roller unit configured to immerse the layered structure from the first roller unit into an etching solution while passing the layered structure through the second roller unit to remove the forming substrate from the layered structure, and transfer the graphene film onto the first flexible substrate; a third roller unit configured to remove the graphene film from the first flexible substrate while transferring the graphene film onto a second flexible substrate; and a fourth roller unit configured to pass the graphene film through a dopant to dope the graphene film.
The apparatus of claim 8, wherein the fourth roller unit is provided between the second roller unit and the third roller unit, and immerses the graphene film formed on the first flexible substrate through the dopant.
The apparatus of claim 8, wherein the fourth roller unit is provided downstream of the third roller unit, and immerses the graphene film formed on the second flexible substrate through the dopant.
The apparatus of claim 8, wherein the dopant is provided in a doping solution.
The apparatus of claim 8, wherein the dopant is provided in dopant vapor. 4
Layer stacks claimed or described, ordered top of device to substrate.
roll-to-roll apparatus for doping a graphene film
Materials described outside the worked examples.
graphene film
organic dopant
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of conventional graphene film (background) | ~500 Ohm/square | graphene film |
optical transparency of conventional graphene film (background) | ~90 % |
Table 1
7 and Table 1 below provide results showing sheet resistance decrease and
p. 14
Patent
Atlas literature
Patent
US 9,728,605Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Canceled) canceled
The apparatus of claim 8, wherein the graphene film is doped with an organic dopant, an inorganic dopant or their combination.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of an ionic liquid, an ionic gas, an acidic compound, and an organic polymeric compound.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of NO 2 BF 4, NOBF 4, N O 2 SbF 6, HCI, H 2 P O 4, CH 3 COO H, H 2 S O 4, HN O 3, PVDF, Nafion, AuC 3, SOC 1 2, Br 2, CH 3 NO 2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, and trifluoromethanesulfonimide.
The apparatus of claim 8, wherein the graphene film includes a monolayer graphene or a multilayer graphene.
The apparatus of claim 8, wherein the graphene film has a roll shape, a foil shape, a tube shape, a plate shape, a sheet shape or a wire shape.
(Currently Canceled) canceled
A roll-to-roll apparatus for doping a graphene film, com prising: a first roller unit that forms a layered structure including a forming substrate, the graphene film and a first flexible substrate; a second roller unit configured to immerse the layered structure from the first roller unit into an etching solution while passing the layered structure through the second roller unit to remove the forming substrate from the layered structure, and transfer the graphene film onto the first flexible substrate; a third roller unit configured to remove the graphene film from the first flexible substrate while transferring the graphene film onto a second flexible substrate; and a fourth roller unit configured to pass the graphene film through a dopant to dope the graphene film.
The apparatus of claim 8, wherein the fourth roller unit is provided between the second roller unit and the third roller unit, and immerses the graphene film formed on the first flexible substrate through the dopant.
The apparatus of claim 8, wherein the fourth roller unit is provided downstream of the third roller unit, and immerses the graphene film formed on the second flexible substrate through the dopant.
The apparatus of claim 8, wherein the dopant is provided in a doping solution.
The apparatus of claim 8, wherein the dopant is provided in dopant vapor. 4
Layer stacks claimed or described, ordered top of device to substrate.
roll-to-roll apparatus for doping a graphene film
Materials described outside the worked examples.
graphene film
organic dopant
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of conventional graphene film (background) | ~500 Ohm/square | graphene film |
optical transparency of conventional graphene film (background) | ~90 % |
Table 1
7 and Table 1 below provide results showing sheet resistance decrease and
p. 14
Patent
Atlas literature
Patent
US 9,728,605Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previously Canceled) canceled
The apparatus of claim 8, wherein the graphene film is doped with an organic dopant, an inorganic dopant or their combination.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of an ionic liquid, an ionic gas, an acidic compound, and an organic polymeric compound.
The apparatus of claim 8, wherein the dopant includes at least one selected from the group consisting of NO 2 BF 4, NOBF 4, N O 2 SbF 6, HCI, H 2 P O 4, CH 3 COO H, H 2 S O 4, HN O 3, PVDF, Nafion, AuC 3, SOC 1 2, Br 2, CH 3 NO 2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, and trifluoromethanesulfonimide.
The apparatus of claim 8, wherein the graphene film includes a monolayer graphene or a multilayer graphene.
The apparatus of claim 8, wherein the graphene film has a roll shape, a foil shape, a tube shape, a plate shape, a sheet shape or a wire shape.
(Currently Canceled) canceled
A roll-to-roll apparatus for doping a graphene film, com prising: a first roller unit that forms a layered structure including a forming substrate, the graphene film and a first flexible substrate; a second roller unit configured to immerse the layered structure from the first roller unit into an etching solution while passing the layered structure through the second roller unit to remove the forming substrate from the layered structure, and transfer the graphene film onto the first flexible substrate; a third roller unit configured to remove the graphene film from the first flexible substrate while transferring the graphene film onto a second flexible substrate; and a fourth roller unit configured to pass the graphene film through a dopant to dope the graphene film.
The apparatus of claim 8, wherein the fourth roller unit is provided between the second roller unit and the third roller unit, and immerses the graphene film formed on the first flexible substrate through the dopant.
The apparatus of claim 8, wherein the fourth roller unit is provided downstream of the third roller unit, and immerses the graphene film formed on the second flexible substrate through the dopant.
The apparatus of claim 8, wherein the dopant is provided in a doping solution.
The apparatus of claim 8, wherein the dopant is provided in dopant vapor. 4
Layer stacks claimed or described, ordered top of device to substrate.
roll-to-roll apparatus for doping a graphene film
Materials described outside the worked examples.
graphene film
organic dopant
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
sheet resistance of conventional graphene film (background) | ~500 Ohm/square | graphene film |
optical transparency of conventional graphene film (background) | ~90 % |
Table 1
7 and Table 1 below provide results showing sheet resistance decrease and
p. 14
dopant (ionic liquid, ionic gas, acidic compound, or organic polymeric compound)
dopant selected from NO₂BF4, NOBF4, NO₂SbF6, HCl, H₂PO4, CH₃COOH, H₂SO4, HNO3, PVDF, Nafion, AuCl3, SOCl2, Br2, CH₃NO2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide
monolayer graphene
multilayer graphene
etching solution
first flexible substrate
second flexible substrate
Thickness | ≥ 1 mm | — |
dopant (ionic liquid, ionic gas, acidic compound, or organic polymeric compound)
dopant selected from NO₂BF4, NOBF4, NO₂SbF6, HCl, H₂PO4, CH₃COOH, H₂SO4, HNO3, PVDF, Nafion, AuCl3, SOCl2, Br2, CH₃NO2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide
monolayer graphene
multilayer graphene
etching solution
first flexible substrate
second flexible substrate
Thickness | ≥ 1 mm | — |
dopant (ionic liquid, ionic gas, acidic compound, or organic polymeric compound)
dopant selected from NO₂BF4, NOBF4, NO₂SbF6, HCl, H₂PO4, CH₃COOH, H₂SO4, HNO3, PVDF, Nafion, AuCl3, SOCl2, Br2, CH₃NO2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide
monolayer graphene
multilayer graphene
etching solution
first flexible substrate
second flexible substrate
Thickness | ≥ 1 mm | — |
dopant (ionic liquid, ionic gas, acidic compound, or organic polymeric compound)
dopant selected from NO₂BF4, NOBF4, NO₂SbF6, HCl, H₂PO4, CH₃COOH, H₂SO4, HNO3, PVDF, Nafion, AuCl3, SOCl2, Br2, CH₃NO2, dichlorodicyanoquinone, oxone, dimyristoylphosphatidylinositol, trifluoromethanesulfonimide
monolayer graphene
multilayer graphene
etching solution
first flexible substrate
second flexible substrate
Thickness | ≥ 1 mm | — |