Patent
US 9,039,886METHOD OF TRANSFERRING GRAPHENE
Kuanping GONG
US
Copyright © 2026 Matter42. All rights reserved.
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Atlas literature
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US 9,039,886Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates a schematic view showing a method of transferring graphene using an electrolysis bath according to an embodiment. [0021]
FIGS. 2A to 2C illustrate schematic views showing methods of transferring graphene according to embodiments. [0022]
FIG. 3 illustrates a schematic view showing a method of transferring graphene according to Example 1. [0023]
FIG. 4 illustrates a schematic view showing an electrolysis bath used in Example 1. [0024]
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
FIG. 6 illustrates an optical microscope photograph showing the graphene transferred to the target substrate in Example 1. [0026]
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
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 transferring graphene, the method comprising: depositing graphene on a side of a metal substrate to provide a metal substrate- graphene layer; stacking a target substrate on the metal substrate-graphene layer to provide a stacked structure in which a side of the target substrate faces the graphene layer; and passing the stacked structure through an electrolysis bath to remove the metal substrate and transfer the graphene onto the side of the target substrate.
The method as claimed in claim 1, wherein: the electrolysis bath includes electrodes including a positive (+) electrode and a negative (-) electrode, and a solution, and when the stacked structure is passed through the electrolysis bath, a metal included in the metal substrate is oxidized to form a metal ion in the (+) electrode, and the formed metal ion is reduced and precipitated to a metal in the (-) electrode.
Atty. Docket No.: 291/1002 22 4. The method as claimed in claim 1, wherein the stacked structure is provided by stacking the target substrate on the metal substrate-graphene layer and passing the stacked target substrate and metal substrate-graphene layer through a roller device.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on at least one side of each of at least two metal substrates to provide at least two metal substrate-graphene layers; the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate between each of the at least two metal substrate-graphene layers to provide the stacked structure in which both sides of the target substrate face a graphene layer of one of the metal substrate- graphene layers; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto both sides of the target substrate.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on two sides of the metal substrate to provide a metal substrate-graphene layer having graphene on two sides; Atty. Docket N o.: 291/1002 24 the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate on each side of the metal substrate-graphene layer to provide the stacked structure in which a facing side of each target substrate faces a graphene layer of one of the two sides of the metal substrate-graphene layer having graphene on two sides; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto the facing side of the each of the target substrates.
The method as claimed in claim 1, further comprising, after transferring the graphene on at least one side of the target substrate: stacking another target substrate on the graphene layer transferred onto the side of the target substrate.
The method as claimed in claim 1, wherein the stacked structure is directed to pass through the electrolysis bath by a roller device.
The method as claimed in claim 1, wherein the metal substrate includes at least one metal or alloy selected from Cu, Ni, Co, Fe, Pt, Au, Ru, Al, Cr, Mg, Mn, Mo, Rh, Si, Ta, Ti, W, U, V, Zr, brass, bronze, white brass, stainless steel, and Ge.
Atty. Docket N o.: 291/1002 25 13. The method as claimed in claim 1, wherein the target substrate includes at least one selected from a thermal release tape, a polyethylene terephthalate substrate, a polyimide substrate, a polyethylene naphthalate substrate, a polycarbonate substrate, a glass substrate, a silicon wafer, a porous in orga nic or organic membrane, a metal- organic frame, an ion-exchange film, and a membrane electrode.
The method as claimed in claim 1, further comprising: cleaning the transferred graphene on the target substrate.
The method as claimed in claim 1, wherein the graphene transferred to the target substrate has an electrical resistance of about 1 to about 10000 Q/sq.
Materials described outside the worked examples.
graphene
target substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
electrical sheet resistance of transferred graphene | 1–10000 Ω/sq | graphene |
Voltage | 1–100 V |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,039,886Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates a schematic view showing a method of transferring graphene using an electrolysis bath according to an embodiment. [0021]
FIGS. 2A to 2C illustrate schematic views showing methods of transferring graphene according to embodiments. [0022]
FIG. 3 illustrates a schematic view showing a method of transferring graphene according to Example 1. [0023]
FIG. 4 illustrates a schematic view showing an electrolysis bath used in Example 1. [0024]
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
FIG. 6 illustrates an optical microscope photograph showing the graphene transferred to the target substrate in Example 1. [0026]
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
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 transferring graphene, the method comprising: depositing graphene on a side of a metal substrate to provide a metal substrate- graphene layer; stacking a target substrate on the metal substrate-graphene layer to provide a stacked structure in which a side of the target substrate faces the graphene layer; and passing the stacked structure through an electrolysis bath to remove the metal substrate and transfer the graphene onto the side of the target substrate.
The method as claimed in claim 1, wherein: the electrolysis bath includes electrodes including a positive (+) electrode and a negative (-) electrode, and a solution, and when the stacked structure is passed through the electrolysis bath, a metal included in the metal substrate is oxidized to form a metal ion in the (+) electrode, and the formed metal ion is reduced and precipitated to a metal in the (-) electrode.
Atty. Docket No.: 291/1002 22 4. The method as claimed in claim 1, wherein the stacked structure is provided by stacking the target substrate on the metal substrate-graphene layer and passing the stacked target substrate and metal substrate-graphene layer through a roller device.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on at least one side of each of at least two metal substrates to provide at least two metal substrate-graphene layers; the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate between each of the at least two metal substrate-graphene layers to provide the stacked structure in which both sides of the target substrate face a graphene layer of one of the metal substrate- graphene layers; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto both sides of the target substrate.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on two sides of the metal substrate to provide a metal substrate-graphene layer having graphene on two sides; Atty. Docket N o.: 291/1002 24 the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate on each side of the metal substrate-graphene layer to provide the stacked structure in which a facing side of each target substrate faces a graphene layer of one of the two sides of the metal substrate-graphene layer having graphene on two sides; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto the facing side of the each of the target substrates.
The method as claimed in claim 1, further comprising, after transferring the graphene on at least one side of the target substrate: stacking another target substrate on the graphene layer transferred onto the side of the target substrate.
The method as claimed in claim 1, wherein the stacked structure is directed to pass through the electrolysis bath by a roller device.
The method as claimed in claim 1, wherein the metal substrate includes at least one metal or alloy selected from Cu, Ni, Co, Fe, Pt, Au, Ru, Al, Cr, Mg, Mn, Mo, Rh, Si, Ta, Ti, W, U, V, Zr, brass, bronze, white brass, stainless steel, and Ge.
Atty. Docket N o.: 291/1002 25 13. The method as claimed in claim 1, wherein the target substrate includes at least one selected from a thermal release tape, a polyethylene terephthalate substrate, a polyimide substrate, a polyethylene naphthalate substrate, a polycarbonate substrate, a glass substrate, a silicon wafer, a porous in orga nic or organic membrane, a metal- organic frame, an ion-exchange film, and a membrane electrode.
The method as claimed in claim 1, further comprising: cleaning the transferred graphene on the target substrate.
The method as claimed in claim 1, wherein the graphene transferred to the target substrate has an electrical resistance of about 1 to about 10000 Q/sq.
Materials described outside the worked examples.
graphene
target substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
electrical sheet resistance of transferred graphene | 1–10000 Ω/sq | graphene |
Voltage | 1–100 V |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,039,886Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates a schematic view showing a method of transferring graphene using an electrolysis bath according to an embodiment. [0021]
FIGS. 2A to 2C illustrate schematic views showing methods of transferring graphene according to embodiments. [0022]
FIG. 3 illustrates a schematic view showing a method of transferring graphene according to Example 1. [0023]
FIG. 4 illustrates a schematic view showing an electrolysis bath used in Example 1. [0024]
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
FIG. 6 illustrates an optical microscope photograph showing the graphene transferred to the target substrate in Example 1. [0026]
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
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 transferring graphene, the method comprising: depositing graphene on a side of a metal substrate to provide a metal substrate- graphene layer; stacking a target substrate on the metal substrate-graphene layer to provide a stacked structure in which a side of the target substrate faces the graphene layer; and passing the stacked structure through an electrolysis bath to remove the metal substrate and transfer the graphene onto the side of the target substrate.
The method as claimed in claim 1, wherein: the electrolysis bath includes electrodes including a positive (+) electrode and a negative (-) electrode, and a solution, and when the stacked structure is passed through the electrolysis bath, a metal included in the metal substrate is oxidized to form a metal ion in the (+) electrode, and the formed metal ion is reduced and precipitated to a metal in the (-) electrode.
Atty. Docket No.: 291/1002 22 4. The method as claimed in claim 1, wherein the stacked structure is provided by stacking the target substrate on the metal substrate-graphene layer and passing the stacked target substrate and metal substrate-graphene layer through a roller device.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on at least one side of each of at least two metal substrates to provide at least two metal substrate-graphene layers; the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate between each of the at least two metal substrate-graphene layers to provide the stacked structure in which both sides of the target substrate face a graphene layer of one of the metal substrate- graphene layers; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto both sides of the target substrate.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on two sides of the metal substrate to provide a metal substrate-graphene layer having graphene on two sides; Atty. Docket N o.: 291/1002 24 the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate on each side of the metal substrate-graphene layer to provide the stacked structure in which a facing side of each target substrate faces a graphene layer of one of the two sides of the metal substrate-graphene layer having graphene on two sides; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto the facing side of the each of the target substrates.
The method as claimed in claim 1, further comprising, after transferring the graphene on at least one side of the target substrate: stacking another target substrate on the graphene layer transferred onto the side of the target substrate.
The method as claimed in claim 1, wherein the stacked structure is directed to pass through the electrolysis bath by a roller device.
The method as claimed in claim 1, wherein the metal substrate includes at least one metal or alloy selected from Cu, Ni, Co, Fe, Pt, Au, Ru, Al, Cr, Mg, Mn, Mo, Rh, Si, Ta, Ti, W, U, V, Zr, brass, bronze, white brass, stainless steel, and Ge.
Atty. Docket N o.: 291/1002 25 13. The method as claimed in claim 1, wherein the target substrate includes at least one selected from a thermal release tape, a polyethylene terephthalate substrate, a polyimide substrate, a polyethylene naphthalate substrate, a polycarbonate substrate, a glass substrate, a silicon wafer, a porous in orga nic or organic membrane, a metal- organic frame, an ion-exchange film, and a membrane electrode.
The method as claimed in claim 1, further comprising: cleaning the transferred graphene on the target substrate.
The method as claimed in claim 1, wherein the graphene transferred to the target substrate has an electrical resistance of about 1 to about 10000 Q/sq.
Materials described outside the worked examples.
graphene
target substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
electrical sheet resistance of transferred graphene | 1–10000 Ω/sq | graphene |
Voltage | 1–100 V |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,039,886Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 illustrates a schematic view showing a method of transferring graphene using an electrolysis bath according to an embodiment. [0021]
FIGS. 2A to 2C illustrate schematic views showing methods of transferring graphene according to embodiments. [0022]
FIG. 3 illustrates a schematic view showing a method of transferring graphene according to Example 1. [0023]
FIG. 4 illustrates a schematic view showing an electrolysis bath used in Example 1. [0024]
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
FIG. 6 illustrates an optical microscope photograph showing the graphene transferred to the target substrate in Example 1. [0026]
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
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 transferring graphene, the method comprising: depositing graphene on a side of a metal substrate to provide a metal substrate- graphene layer; stacking a target substrate on the metal substrate-graphene layer to provide a stacked structure in which a side of the target substrate faces the graphene layer; and passing the stacked structure through an electrolysis bath to remove the metal substrate and transfer the graphene onto the side of the target substrate.
The method as claimed in claim 1, wherein: the electrolysis bath includes electrodes including a positive (+) electrode and a negative (-) electrode, and a solution, and when the stacked structure is passed through the electrolysis bath, a metal included in the metal substrate is oxidized to form a metal ion in the (+) electrode, and the formed metal ion is reduced and precipitated to a metal in the (-) electrode.
Atty. Docket No.: 291/1002 22 4. The method as claimed in claim 1, wherein the stacked structure is provided by stacking the target substrate on the metal substrate-graphene layer and passing the stacked target substrate and metal substrate-graphene layer through a roller device.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on at least one side of each of at least two metal substrates to provide at least two metal substrate-graphene layers; the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate between each of the at least two metal substrate-graphene layers to provide the stacked structure in which both sides of the target substrate face a graphene layer of one of the metal substrate- graphene layers; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto both sides of the target substrate.
The method as claimed in claim 1, wherein: the depositing of graphene on the side of the metal substrate to provide the metal substrate-graphene layer includes depositing the graphene on two sides of the metal substrate to provide a metal substrate-graphene layer having graphene on two sides; Atty. Docket N o.: 291/1002 24 the stacking of the target substrate on the metal substrate-graphene layer to provide the stacked structure includes stacking one target substrate on each side of the metal substrate-graphene layer to provide the stacked structure in which a facing side of each target substrate faces a graphene layer of one of the two sides of the metal substrate-graphene layer having graphene on two sides; and the passing of the stacked structure through the electrolysis bath transfers the graphene onto the facing side of the each of the target substrates.
The method as claimed in claim 1, further comprising, after transferring the graphene on at least one side of the target substrate: stacking another target substrate on the graphene layer transferred onto the side of the target substrate.
The method as claimed in claim 1, wherein the stacked structure is directed to pass through the electrolysis bath by a roller device.
The method as claimed in claim 1, wherein the metal substrate includes at least one metal or alloy selected from Cu, Ni, Co, Fe, Pt, Au, Ru, Al, Cr, Mg, Mn, Mo, Rh, Si, Ta, Ti, W, U, V, Zr, brass, bronze, white brass, stainless steel, and Ge.
Atty. Docket N o.: 291/1002 25 13. The method as claimed in claim 1, wherein the target substrate includes at least one selected from a thermal release tape, a polyethylene terephthalate substrate, a polyimide substrate, a polyethylene naphthalate substrate, a polycarbonate substrate, a glass substrate, a silicon wafer, a porous in orga nic or organic membrane, a metal- organic frame, an ion-exchange film, and a membrane electrode.
The method as claimed in claim 1, further comprising: cleaning the transferred graphene on the target substrate.
The method as claimed in claim 1, wherein the graphene transferred to the target substrate has an electrical resistance of about 1 to about 10000 Q/sq.
Materials described outside the worked examples.
graphene
target substrate
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 illustrates a graph showing a curved line of a (+) electrode used in Example 1. [0025]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
electrical sheet resistance of transferred graphene | 1–10000 Ω/sq | graphene |
Voltage | 1–100 V |
Related documents with shared materials, methods, properties, or citations.
polymer binder film
polystyrene
polyethylene glycol
poly(methyl methacrylate)
polyvinylpyrrolidone
Nafion
poly(acrylic acid) sodium
poly(diallyldimethyl ammonium chloride)
polyethylenimine
electrolysis bath solution
copper sulfate aqueous solution
CuSO₄ (aq)
nitric acid aqueous solution
HNO₃ (aq)
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
| — |
Voltage | 0.005–3.5 V | — |
Pressure | 0–7 mTorr | — |
polymer binder film
polystyrene
polyethylene glycol
poly(methyl methacrylate)
polyvinylpyrrolidone
Nafion
poly(acrylic acid) sodium
poly(diallyldimethyl ammonium chloride)
polyethylenimine
electrolysis bath solution
copper sulfate aqueous solution
CuSO₄ (aq)
nitric acid aqueous solution
HNO₃ (aq)
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
| — |
Voltage | 0.005–3.5 V | — |
Pressure | 0–7 mTorr | — |
polymer binder film
polystyrene
polyethylene glycol
poly(methyl methacrylate)
polyvinylpyrrolidone
Nafion
poly(acrylic acid) sodium
poly(diallyldimethyl ammonium chloride)
polyethylenimine
electrolysis bath solution
copper sulfate aqueous solution
CuSO₄ (aq)
nitric acid aqueous solution
HNO₃ (aq)
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
| — |
Voltage | 0.005–3.5 V | — |
Pressure | 0–7 mTorr | — |
polymer binder film
polystyrene
polyethylene glycol
poly(methyl methacrylate)
polyvinylpyrrolidone
Nafion
poly(acrylic acid) sodium
poly(diallyldimethyl ammonium chloride)
polyethylenimine
electrolysis bath solution
copper sulfate aqueous solution
CuSO₄ (aq)
nitric acid aqueous solution
HNO₃ (aq)
FIG. 7 illustrates a graph showing an etching time and etching rate of the metal substrate according to Example 1. [0027]
FIG. 8 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Comparative …
FIG. 9 illustrates a photograph showing a measurement of electrical resistance of the graphene transferred to the target substrate according to Example 1.
| — |
Voltage | 0.005–3.5 V | — |
Pressure | 0–7 mTorr | — |