Patent
US 9,969,618Title: HOT PRESS INDUCED FORMATION OF AN ORDERED GRAPHENE AND FEW LAYERED GRAPHENE SHEETS
LEE, Jonghak, OZYILMAZ, Barbaros
National University of Singapore·21 May 2015·US
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Patent
Atlas literature
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US 9,969,618Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
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 making graphene, comprising: hot pressing amorphous carbon: at a pressure between about 10 MPa and about 40 MPa; at a temperature between about ° 800 ° C and about, ° 1,300 °C; and for a duration between about 5 minutes and about 10 hours, to form graphene. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 3 hours. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 60 minutes. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 10 hours. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 3 hours. Currently amended
The method of claim 1, wherein the ordered carbon product is formed on a non-planar substrate. Original
The method of claim 1, further comprising depositing the amorphous carbon on to a substrate prior to hot pressing the amorphous materials. Original
2-6. Canceled
Canceled
An ordered carbon product having a density between about 0.361 g/cm 3 and about 2.25 g/cm 3 and a conductivity between about 1 x 1 0 4 and about 1 x 10 8 S/m. Withdrawn
An ordered carbon product having an ID/I G rati o between ab o ut 0 and ab out 5 as measured by Raman spectroscopy with a 532 n m excitati o n laser. Withdrawn
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Amorphous carbon hot pressed at 2100°C and 40 MPa; Raman spectroscopy of starting amorphous carbon and product reported in Figs. 3A and 3B.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 50 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4A.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 100 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4B.
Materials described outside the worked examples.
polymeric material (generic)
poly(methyl methacrylate)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
density of ordered carbon product | 0.361–2.25 | C |
conductivity of ordered carbon product | 10000–100000000 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,969,618Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
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 making graphene, comprising: hot pressing amorphous carbon: at a pressure between about 10 MPa and about 40 MPa; at a temperature between about ° 800 ° C and about, ° 1,300 °C; and for a duration between about 5 minutes and about 10 hours, to form graphene. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 3 hours. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 60 minutes. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 10 hours. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 3 hours. Currently amended
The method of claim 1, wherein the ordered carbon product is formed on a non-planar substrate. Original
The method of claim 1, further comprising depositing the amorphous carbon on to a substrate prior to hot pressing the amorphous materials. Original
2-6. Canceled
Canceled
An ordered carbon product having a density between about 0.361 g/cm 3 and about 2.25 g/cm 3 and a conductivity between about 1 x 1 0 4 and about 1 x 10 8 S/m. Withdrawn
An ordered carbon product having an ID/I G rati o between ab o ut 0 and ab out 5 as measured by Raman spectroscopy with a 532 n m excitati o n laser. Withdrawn
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Amorphous carbon hot pressed at 2100°C and 40 MPa; Raman spectroscopy of starting amorphous carbon and product reported in Figs. 3A and 3B.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 50 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4A.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 100 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4B.
Materials described outside the worked examples.
polymeric material (generic)
poly(methyl methacrylate)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
density of ordered carbon product | 0.361–2.25 | C |
conductivity of ordered carbon product | 10000–100000000 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,969,618Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
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 making graphene, comprising: hot pressing amorphous carbon: at a pressure between about 10 MPa and about 40 MPa; at a temperature between about ° 800 ° C and about, ° 1,300 °C; and for a duration between about 5 minutes and about 10 hours, to form graphene. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 3 hours. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 60 minutes. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 10 hours. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 3 hours. Currently amended
The method of claim 1, wherein the ordered carbon product is formed on a non-planar substrate. Original
The method of claim 1, further comprising depositing the amorphous carbon on to a substrate prior to hot pressing the amorphous materials. Original
2-6. Canceled
Canceled
An ordered carbon product having a density between about 0.361 g/cm 3 and about 2.25 g/cm 3 and a conductivity between about 1 x 1 0 4 and about 1 x 10 8 S/m. Withdrawn
An ordered carbon product having an ID/I G rati o between ab o ut 0 and ab out 5 as measured by Raman spectroscopy with a 532 n m excitati o n laser. Withdrawn
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Amorphous carbon hot pressed at 2100°C and 40 MPa; Raman spectroscopy of starting amorphous carbon and product reported in Figs. 3A and 3B.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 50 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4A.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 100 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4B.
Materials described outside the worked examples.
polymeric material (generic)
poly(methyl methacrylate)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
density of ordered carbon product | 0.361–2.25 | C |
conductivity of ordered carbon product | 10000–100000000 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,969,618Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
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 making graphene, comprising: hot pressing amorphous carbon: at a pressure between about 10 MPa and about 40 MPa; at a temperature between about ° 800 ° C and about, ° 1,300 °C; and for a duration between about 5 minutes and about 10 hours, to form graphene. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 3 hours. Currently amended
The method of claim 1, wherein the duration is between about 5 minutes and about 60 minutes. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 10 hours. Currently amended
The method of claim 1, wherein the duration is between about 1 hour and about 3 hours. Currently amended
The method of claim 1, wherein the ordered carbon product is formed on a non-planar substrate. Original
The method of claim 1, further comprising depositing the amorphous carbon on to a substrate prior to hot pressing the amorphous materials. Original
2-6. Canceled
Canceled
An ordered carbon product having a density between about 0.361 g/cm 3 and about 2.25 g/cm 3 and a conductivity between about 1 x 1 0 4 and about 1 x 10 8 S/m. Withdrawn
An ordered carbon product having an ID/I G rati o between ab o ut 0 and ab out 5 as measured by Raman spectroscopy with a 532 n m excitati o n laser. Withdrawn
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Amorphous carbon hot pressed at 2100°C and 40 MPa; Raman spectroscopy of starting amorphous carbon and product reported in Figs. 3A and 3B.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 50 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4A.
2 materials1 process step
Amorphous carbon hot pressed at 1400°C and 100 MPa for 2 hours; Raman spectroscopy of product reported in Fig. 4B.
Materials described outside the worked examples.
polymeric material (generic)
poly(methyl methacrylate)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is an illustration of an apparatus for hot pressing. The apparatus has a lower surface 100 and an upper surface 110. Either the lower surface 100 or the …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
density of ordered carbon product | 0.361–2.25 | C |
conductivity of ordered carbon product | 10000–100000000 |
Related documents with shared materials, methods, properties, or citations.
polydimethylsiloxane
poly(p-phenylene-1,3,4-oxadiazole)
polyimide
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
ID/IG ratio of ordered carbon product by Raman spectroscopy | 0–5 | C |
AD/AG ratio of ordered carbon product by Raman spectroscopy | 0.63 | C |
Temperature | 100–700 °C | — |
Temperature | 1400–2100 °C | — |
Duration | 300–10800 s | — |
Duration | 5–60 minutes | — |
Duration | 1–10 hours | — |
Duration | 1–3 hours | — |
Duration | 1800–10800 s | — |
Duration | 1800–3600 s | — |
Pressure | 10–100 MPa | — |
Pressure | 10–40 MPa | — |
Pressure | 40–100 MPa | — |
Thickness | ≤ 1 nm | — |
Duration | 300–36000 s | — |
Temperature | 500–2100 °C | — |
Temperature | 800–2100 °C | — |
polydimethylsiloxane
poly(p-phenylene-1,3,4-oxadiazole)
polyimide
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
ID/IG ratio of ordered carbon product by Raman spectroscopy | 0–5 | C |
AD/AG ratio of ordered carbon product by Raman spectroscopy | 0.63 | C |
Temperature | 100–700 °C | — |
Temperature | 1400–2100 °C | — |
Duration | 300–10800 s | — |
Duration | 5–60 minutes | — |
Duration | 1–10 hours | — |
Duration | 1–3 hours | — |
Duration | 1800–10800 s | — |
Duration | 1800–3600 s | — |
Pressure | 10–100 MPa | — |
Pressure | 10–40 MPa | — |
Pressure | 40–100 MPa | — |
Thickness | ≤ 1 nm | — |
Duration | 300–36000 s | — |
Temperature | 500–2100 °C | — |
Temperature | 800–2100 °C | — |
polydimethylsiloxane
poly(p-phenylene-1,3,4-oxadiazole)
polyimide
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
ID/IG ratio of ordered carbon product by Raman spectroscopy | 0–5 | C |
AD/AG ratio of ordered carbon product by Raman spectroscopy | 0.63 | C |
Temperature | 100–700 °C | — |
Temperature | 1400–2100 °C | — |
Duration | 300–10800 s | — |
Duration | 5–60 minutes | — |
Duration | 1–10 hours | — |
Duration | 1–3 hours | — |
Duration | 1800–10800 s | — |
Duration | 1800–3600 s | — |
Pressure | 10–100 MPa | — |
Pressure | 10–40 MPa | — |
Pressure | 40–100 MPa | — |
Thickness | ≤ 1 nm | — |
Duration | 300–36000 s | — |
Temperature | 500–2100 °C | — |
Temperature | 800–2100 °C | — |
polydimethylsiloxane
poly(p-phenylene-1,3,4-oxadiazole)
polyimide
FIG. 2 is a schematic illustrating hot pressing of amorphous carbon on a ceramic substrate. [0012] FIG s. 3A and 3 B are Raman spectroscopy measurement of: a) …
FIG. 3B is a Raman spectroscopy measurement of the product resulting from hot pressing the amorphous carbon at 2,100 ° C and 40 MPa for 30 minutes on graphite …
FIG. 4B is a WO 2015/072926 PCT/SG₂ 014/000539 -9- Raman spectroscopy measurement of the product resulting from hot pressing amorphous carbon at 1,400 * C and …
ID/IG ratio of ordered carbon product by Raman spectroscopy | 0–5 | C |
AD/AG ratio of ordered carbon product by Raman spectroscopy | 0.63 | C |
Temperature | 100–700 °C | — |
Temperature | 1400–2100 °C | — |
Duration | 300–10800 s | — |
Duration | 5–60 minutes | — |
Duration | 1–10 hours | — |
Duration | 1–3 hours | — |
Duration | 1800–10800 s | — |
Duration | 1800–3600 s | — |
Pressure | 10–100 MPa | — |
Pressure | 10–40 MPa | — |
Pressure | 40–100 MPa | — |
Thickness | ≤ 1 nm | — |
Duration | 300–36000 s | — |
Temperature | 500–2100 °C | — |
Temperature | 800–2100 °C | — |