Patent
US 8,968,587GRAPHENE NANO RIBBONS AND METHODS OF PREPARING THE SAME
Hyeon-jin Shin
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 8,968,587Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating methods of preparing graphene nano ribbons according to example embodiments; [0015]
FIG. 2 is a cross-sectional diagram of a solar cell including graphene nano ribbons according to example embodiments; [0016]
FIG. 3 is a perspective exploded view of a fuel cell including graphene nano ribbons according to example embodiments; [0017]
FIG. 4 is a cross-sectional diagram of a membrane-electrode assembly (MEA) of the fuel cell of
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
FIG. 6 is an optical image of an amorphous carbon nano pattern according to example embodiments; and [0020]
FIG. 7 is an optical image of a nano pattern of graphene nano ribbons according to example embodiments. [0021] It should be noted that these figures are …
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 preparing a graphene nano ribbon, the method comprising: depositing a graphene sheet on at least one surface of a substrate; forming a plasma mask with a nano ribbon pattern on the graphene sheet; and forming a nano ribbon pattern in the graphene sheet by plasma treating a stack structure including the plasma mask to obtain a graphene nano ribbon, wherein the forming of the plasma mask includes: stacking amorphous carbon on the graphene sheet: and forming a nano ribbon pattern in the amorphous carbon by irradiating the amorphous carbon with light to obtain the plasma mask. currently amended
The method of claim 1, further comprising: removing the plasma mask after the forming of the nano pattern.
The method of claim 1, wherein the graphene sheet includes 1- 10 layers of graphene. Page 2 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.2.1376.149.2290.247.svg 0.327 3.047 Graph Black and white
The method of claim 1, wherein the graphene sheet includes one of 1 and 2 layers of graphene.
The method of claim 1, wherein the forming of the nano pattern includes controlling an intensity of the plasma based on a thickness of the graphene sheet.
The method of claim 1, wherein the substrate includes at least SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.13.61.1600.2216.1752.svg 0.507 7.183 Graph Black and white platinum (Pt), palladium (Pd), gold (Au), aluminum (A l), chromium (Cr), copper (Cu), manganese (Mn), molybdenum (Mo), rhodium (Rh), iridium (Ir), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with an area of equal to or greater than about 1 cm2.
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with less than or equal to 10 wrinkles per 1000 pm 2 of graphene. Page 3 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.2.1374.150.2287.248.svg 0.327 3.043 Graph Black and white
The method of claim 1, wherein graphene sheet includes greater than or equal to 99% graphene per 1 mm2 of the graphene sheet.
canceled
The method of claim-2 1, wherein the light irradiation of the amorphous carbon includes laser light irradiation.
A graphene nano ribbon prepared according to the method of SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.7.87.746.475.798.svg 0.173 1.293 Graph Black and white
A transparent electrode comprising the graphene nano ribbon of claim 13.
An electronic device comprising the graphene nano ribbon of claim 13.
A method of preparing a graphene nano ribbon, the method comprising: plasma treating a graphene sheet including at least one graphene layer to form a graphene -pa-em nano ribbon; and forming a carbon mask on the graphene nano ribbon, wherein the carbon mask comprises a carbon la v er including amorphous carbon. currently amended
canceled
The method of claim -14 16, further comprising: thermally treating the graphene -patem nano ribbon and the carbon mask to remove the carbon mask and transform the graphene nano- ri bbe ns ribbon. Page 4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.2.1378.156.2292.253.svg 0.323 3.047 Graph Black and white
The method of claim 48_ 16, wherein the forming of the carbon mask includes irradiating-a the carbon layer with a laser without the presence of a photoresist to form the carbon mask -a4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.7.87.749.1493.800.svg 0.17 4.687 Chemistry Black and white
The method of claim 48 16, wherein the forming of the carbon mask includes depositing the carbon layer using chemical vapor deposition (CVD). *** END CLAIM LISTING *** Page
Layer stacks claimed or described, ordered top of device to substrate.
transparent electrode
electronic device
Materials described outside the worked examples.
graphene sheet
amorphous carbon
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–18000 s | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,968,587Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating methods of preparing graphene nano ribbons according to example embodiments; [0015]
FIG. 2 is a cross-sectional diagram of a solar cell including graphene nano ribbons according to example embodiments; [0016]
FIG. 3 is a perspective exploded view of a fuel cell including graphene nano ribbons according to example embodiments; [0017]
FIG. 4 is a cross-sectional diagram of a membrane-electrode assembly (MEA) of the fuel cell of
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
FIG. 6 is an optical image of an amorphous carbon nano pattern according to example embodiments; and [0020]
FIG. 7 is an optical image of a nano pattern of graphene nano ribbons according to example embodiments. [0021] It should be noted that these figures are …
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 preparing a graphene nano ribbon, the method comprising: depositing a graphene sheet on at least one surface of a substrate; forming a plasma mask with a nano ribbon pattern on the graphene sheet; and forming a nano ribbon pattern in the graphene sheet by plasma treating a stack structure including the plasma mask to obtain a graphene nano ribbon, wherein the forming of the plasma mask includes: stacking amorphous carbon on the graphene sheet: and forming a nano ribbon pattern in the amorphous carbon by irradiating the amorphous carbon with light to obtain the plasma mask. currently amended
The method of claim 1, further comprising: removing the plasma mask after the forming of the nano pattern.
The method of claim 1, wherein the graphene sheet includes 1- 10 layers of graphene. Page 2 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.2.1376.149.2290.247.svg 0.327 3.047 Graph Black and white
The method of claim 1, wherein the graphene sheet includes one of 1 and 2 layers of graphene.
The method of claim 1, wherein the forming of the nano pattern includes controlling an intensity of the plasma based on a thickness of the graphene sheet.
The method of claim 1, wherein the substrate includes at least SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.13.61.1600.2216.1752.svg 0.507 7.183 Graph Black and white platinum (Pt), palladium (Pd), gold (Au), aluminum (A l), chromium (Cr), copper (Cu), manganese (Mn), molybdenum (Mo), rhodium (Rh), iridium (Ir), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with an area of equal to or greater than about 1 cm2.
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with less than or equal to 10 wrinkles per 1000 pm 2 of graphene. Page 3 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.2.1374.150.2287.248.svg 0.327 3.043 Graph Black and white
The method of claim 1, wherein graphene sheet includes greater than or equal to 99% graphene per 1 mm2 of the graphene sheet.
canceled
The method of claim-2 1, wherein the light irradiation of the amorphous carbon includes laser light irradiation.
A graphene nano ribbon prepared according to the method of SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.7.87.746.475.798.svg 0.173 1.293 Graph Black and white
A transparent electrode comprising the graphene nano ribbon of claim 13.
An electronic device comprising the graphene nano ribbon of claim 13.
A method of preparing a graphene nano ribbon, the method comprising: plasma treating a graphene sheet including at least one graphene layer to form a graphene -pa-em nano ribbon; and forming a carbon mask on the graphene nano ribbon, wherein the carbon mask comprises a carbon la v er including amorphous carbon. currently amended
canceled
The method of claim -14 16, further comprising: thermally treating the graphene -patem nano ribbon and the carbon mask to remove the carbon mask and transform the graphene nano- ri bbe ns ribbon. Page 4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.2.1378.156.2292.253.svg 0.323 3.047 Graph Black and white
The method of claim 48_ 16, wherein the forming of the carbon mask includes irradiating-a the carbon layer with a laser without the presence of a photoresist to form the carbon mask -a4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.7.87.749.1493.800.svg 0.17 4.687 Chemistry Black and white
The method of claim 48 16, wherein the forming of the carbon mask includes depositing the carbon layer using chemical vapor deposition (CVD). *** END CLAIM LISTING *** Page
Layer stacks claimed or described, ordered top of device to substrate.
transparent electrode
electronic device
Materials described outside the worked examples.
graphene sheet
amorphous carbon
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–18000 s | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,968,587Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating methods of preparing graphene nano ribbons according to example embodiments; [0015]
FIG. 2 is a cross-sectional diagram of a solar cell including graphene nano ribbons according to example embodiments; [0016]
FIG. 3 is a perspective exploded view of a fuel cell including graphene nano ribbons according to example embodiments; [0017]
FIG. 4 is a cross-sectional diagram of a membrane-electrode assembly (MEA) of the fuel cell of
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
FIG. 6 is an optical image of an amorphous carbon nano pattern according to example embodiments; and [0020]
FIG. 7 is an optical image of a nano pattern of graphene nano ribbons according to example embodiments. [0021] It should be noted that these figures are …
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 preparing a graphene nano ribbon, the method comprising: depositing a graphene sheet on at least one surface of a substrate; forming a plasma mask with a nano ribbon pattern on the graphene sheet; and forming a nano ribbon pattern in the graphene sheet by plasma treating a stack structure including the plasma mask to obtain a graphene nano ribbon, wherein the forming of the plasma mask includes: stacking amorphous carbon on the graphene sheet: and forming a nano ribbon pattern in the amorphous carbon by irradiating the amorphous carbon with light to obtain the plasma mask. currently amended
The method of claim 1, further comprising: removing the plasma mask after the forming of the nano pattern.
The method of claim 1, wherein the graphene sheet includes 1- 10 layers of graphene. Page 2 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.2.1376.149.2290.247.svg 0.327 3.047 Graph Black and white
The method of claim 1, wherein the graphene sheet includes one of 1 and 2 layers of graphene.
The method of claim 1, wherein the forming of the nano pattern includes controlling an intensity of the plasma based on a thickness of the graphene sheet.
The method of claim 1, wherein the substrate includes at least SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.13.61.1600.2216.1752.svg 0.507 7.183 Graph Black and white platinum (Pt), palladium (Pd), gold (Au), aluminum (A l), chromium (Cr), copper (Cu), manganese (Mn), molybdenum (Mo), rhodium (Rh), iridium (Ir), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with an area of equal to or greater than about 1 cm2.
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with less than or equal to 10 wrinkles per 1000 pm 2 of graphene. Page 3 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.2.1374.150.2287.248.svg 0.327 3.043 Graph Black and white
The method of claim 1, wherein graphene sheet includes greater than or equal to 99% graphene per 1 mm2 of the graphene sheet.
canceled
The method of claim-2 1, wherein the light irradiation of the amorphous carbon includes laser light irradiation.
A graphene nano ribbon prepared according to the method of SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.7.87.746.475.798.svg 0.173 1.293 Graph Black and white
A transparent electrode comprising the graphene nano ribbon of claim 13.
An electronic device comprising the graphene nano ribbon of claim 13.
A method of preparing a graphene nano ribbon, the method comprising: plasma treating a graphene sheet including at least one graphene layer to form a graphene -pa-em nano ribbon; and forming a carbon mask on the graphene nano ribbon, wherein the carbon mask comprises a carbon la v er including amorphous carbon. currently amended
canceled
The method of claim -14 16, further comprising: thermally treating the graphene -patem nano ribbon and the carbon mask to remove the carbon mask and transform the graphene nano- ri bbe ns ribbon. Page 4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.2.1378.156.2292.253.svg 0.323 3.047 Graph Black and white
The method of claim 48_ 16, wherein the forming of the carbon mask includes irradiating-a the carbon layer with a laser without the presence of a photoresist to form the carbon mask -a4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.7.87.749.1493.800.svg 0.17 4.687 Chemistry Black and white
The method of claim 48 16, wherein the forming of the carbon mask includes depositing the carbon layer using chemical vapor deposition (CVD). *** END CLAIM LISTING *** Page
Layer stacks claimed or described, ordered top of device to substrate.
transparent electrode
electronic device
Materials described outside the worked examples.
graphene sheet
amorphous carbon
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–18000 s | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 8,968,587Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating methods of preparing graphene nano ribbons according to example embodiments; [0015]
FIG. 2 is a cross-sectional diagram of a solar cell including graphene nano ribbons according to example embodiments; [0016]
FIG. 3 is a perspective exploded view of a fuel cell including graphene nano ribbons according to example embodiments; [0017]
FIG. 4 is a cross-sectional diagram of a membrane-electrode assembly (MEA) of the fuel cell of
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
FIG. 6 is an optical image of an amorphous carbon nano pattern according to example embodiments; and [0020]
FIG. 7 is an optical image of a nano pattern of graphene nano ribbons according to example embodiments. [0021] It should be noted that these figures are …
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 preparing a graphene nano ribbon, the method comprising: depositing a graphene sheet on at least one surface of a substrate; forming a plasma mask with a nano ribbon pattern on the graphene sheet; and forming a nano ribbon pattern in the graphene sheet by plasma treating a stack structure including the plasma mask to obtain a graphene nano ribbon, wherein the forming of the plasma mask includes: stacking amorphous carbon on the graphene sheet: and forming a nano ribbon pattern in the amorphous carbon by irradiating the amorphous carbon with light to obtain the plasma mask. currently amended
The method of claim 1, further comprising: removing the plasma mask after the forming of the nano pattern.
The method of claim 1, wherein the graphene sheet includes 1- 10 layers of graphene. Page 2 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.2.1376.149.2290.247.svg 0.327 3.047 Graph Black and white
The method of claim 1, wherein the graphene sheet includes one of 1 and 2 layers of graphene.
The method of claim 1, wherein the forming of the nano pattern includes controlling an intensity of the plasma based on a thickness of the graphene sheet.
The method of claim 1, wherein the substrate includes at least SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401558.13.61.1600.2216.1752.svg 0.507 7.183 Graph Black and white platinum (Pt), palladium (Pd), gold (Au), aluminum (A l), chromium (Cr), copper (Cu), manganese (Mn), molybdenum (Mo), rhodium (Rh), iridium (Ir), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with an area of equal to or greater than about 1 cm2.
The method of claim 1, wherein the depositing of the graphene sheet includes depositing the graphene sheet with less than or equal to 10 wrinkles per 1000 pm 2 of graphene. Page 3 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.2.1374.150.2287.248.svg 0.327 3.043 Graph Black and white
The method of claim 1, wherein graphene sheet includes greater than or equal to 99% graphene per 1 mm2 of the graphene sheet.
canceled
The method of claim-2 1, wherein the light irradiation of the amorphous carbon includes laser light irradiation.
A graphene nano ribbon prepared according to the method of SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401559.7.87.746.475.798.svg 0.173 1.293 Graph Black and white
A transparent electrode comprising the graphene nano ribbon of claim 13.
An electronic device comprising the graphene nano ribbon of claim 13.
A method of preparing a graphene nano ribbon, the method comprising: plasma treating a graphene sheet including at least one graphene layer to form a graphene -pa-em nano ribbon; and forming a carbon mask on the graphene nano ribbon, wherein the carbon mask comprises a carbon la v er including amorphous carbon. currently amended
canceled
The method of claim -14 16, further comprising: thermally treating the graphene -patem nano ribbon and the carbon mask to remove the carbon mask and transform the graphene nano- ri bbe ns ribbon. Page 4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.2.1378.156.2292.253.svg 0.323 3.047 Graph Black and white
The method of claim 48_ 16, wherein the forming of the carbon mask includes irradiating-a the carbon layer with a laser without the presence of a photoresist to form the carbon mask -a4 SVG 13153755.08-20-2014.HZCLAN₂₀PXXIFW4.CLM25401560.7.87.749.1493.800.svg 0.17 4.687 Chemistry Black and white
The method of claim 48 16, wherein the forming of the carbon mask includes depositing the carbon layer using chemical vapor deposition (CVD). *** END CLAIM LISTING *** Page
Layer stacks claimed or described, ordered top of device to substrate.
transparent electrode
electronic device
Materials described outside the worked examples.
graphene sheet
amorphous carbon
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5 is a schematic view of a field effect transistor (FET) including graphene nano ribbons according to example embodiments; [0019]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 600–18000 s | — |
Duration |
Related documents with shared materials, methods, properties, or citations.
metal substrate
graphene nano ribbon
| 600–86400 s |
| — |
Thickness | 0.5–50 nm | — |
Thickness | 1–10 nm | — |
Temperature | 100–300 °C | — |
Temperature | 150–200 °C | — |
Thickness | 4–300 nm | — |
Thickness | 0.1–30 nm | — |
Thickness | 0.3–20 nm | — |
Thickness | 1–1000 nm | — |
— | 0.01–1 W | — |
Duration | 0.001–1000 hours | — |
Thickness | 1–15 µm | — |
Pressure | 0.001–0.5 pa | — |
Thickness | 40–100 nm | — |
Thickness | ≤ 15 µm | — |
Thickness | ≥ 1 cm | — |
Method of transferring a graphene film
metal substrate
graphene nano ribbon
| 600–86400 s |
| — |
Thickness | 0.5–50 nm | — |
Thickness | 1–10 nm | — |
Temperature | 100–300 °C | — |
Temperature | 150–200 °C | — |
Thickness | 4–300 nm | — |
Thickness | 0.1–30 nm | — |
Thickness | 0.3–20 nm | — |
Thickness | 1–1000 nm | — |
— | 0.01–1 W | — |
Duration | 0.001–1000 hours | — |
Thickness | 1–15 µm | — |
Pressure | 0.001–0.5 pa | — |
Thickness | 40–100 nm | — |
Thickness | ≤ 15 µm | — |
Thickness | ≥ 1 cm | — |
Method of transferring a graphene film
metal substrate
graphene nano ribbon
| 600–86400 s |
| — |
Thickness | 0.5–50 nm | — |
Thickness | 1–10 nm | — |
Temperature | 100–300 °C | — |
Temperature | 150–200 °C | — |
Thickness | 4–300 nm | — |
Thickness | 0.1–30 nm | — |
Thickness | 0.3–20 nm | — |
Thickness | 1–1000 nm | — |
— | 0.01–1 W | — |
Duration | 0.001–1000 hours | — |
Thickness | 1–15 µm | — |
Pressure | 0.001–0.5 pa | — |
Thickness | 40–100 nm | — |
Thickness | ≤ 15 µm | — |
Thickness | ≥ 1 cm | — |
Method of transferring a graphene film
metal substrate
graphene nano ribbon
| 600–86400 s |
| — |
Thickness | 0.5–50 nm | — |
Thickness | 1–10 nm | — |
Temperature | 100–300 °C | — |
Temperature | 150–200 °C | — |
Thickness | 4–300 nm | — |
Thickness | 0.1–30 nm | — |
Thickness | 0.3–20 nm | — |
Thickness | 1–1000 nm | — |
— | 0.01–1 W | — |
Duration | 0.001–1000 hours | — |
Thickness | 1–15 µm | — |
Pressure | 0.001–0.5 pa | — |
Thickness | 40–100 nm | — |
Thickness | ≤ 15 µm | — |
Thickness | ≥ 1 cm | — |
Method of transferring a graphene film