Patent
US 10,968,104METHOD FOR PRODUCING SHEETS OF GRAPHENE
Manuel Arturo LÓPEZ QUINTELA
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,968,104Patent 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.
Method according to claim 1, further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one solid substrate on which said sheet has been formed.
Method for coating a substra t e with a sheet of graphene, boron nitride, molybdenum disu l f ide, tungsten disulfide or mixtures t hereof, wherein said sheet consists of a set of strips, wherein said strips consist of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disul f ide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method c o mprises: a. placing powder of at least one multilaye r material selected from the group consisting of graphite, bo ron nitride, molybdenum disulfide and tungsten disul f ide, between two solid substrates, wherein at least one of said substrates is the one to b e coated, and b. rubbing the surfaces of said substrates with one another and with said powder, wherein said powder is placed be t ween said surfaces, to form said sheet on the surfac e of the solid substrate to be coated.
Method according to any of the preceding claims, wherein at least one of said solid substrates has a roughness between 0.2 nm and 2 rnm.
Method according to any of the preceding claims, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different mater i al.
Method according to any of the preceding claims, wherein at least one solid subs trat e has a hardness on the Mo h s scale between 4.5 and 1 0.
Me t hod according to any of the preceding claims, wherein at least one solid substrate is made up of a material selected from the group consisting of: a. inorganic materials selected from the group consisting of i. semiconductor materials, ii. dielectric materials; and iii. metals; or b. other materials selected from the gro up consisting of plas t ic, paper and wood.
Method according to claim 7, wherein the solid substrate is a semiconduc tor material selected from the group consisting of silicon and silicon carbide.
Method according to claim 7, wherein the solid substrate on which the sheet is formed is an inorganic metallic material selected from the group consisting of cobalt, copper, silver, gold, i ron, platinum and palladium. 1 0.Method according to any of the preceding claims, wherein the strips and/or the layers have a width between 5 nm and 50 pm. 11.Me t hod according to any of the preceding claims, wherein the powder of multilayer material has a mean particle size between 5 n m and 50 pm. 12.Method accord i ng to any of the preceding claims, wherein the graphene sheet consists of a net of strips, wherein said strips comprise one, two, three, four or five graphene layers of monoatomic thickness. 13.Method according to any of the preceding claims, wherein the powder of multilaye r material is graphi t e powder.
Method according to any of claims 1- 11, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nit ride, molybdenum disulfide and tungsten disulfide. 15.Method according to any of the preceding claims, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which a sheet is to b e formed are used. What is claimed is:
Canceled
A method for obtaining a sheet of graphene, boron nitride, molybdenum disulfide, tungsten disulfide or mixtures thereof, wherein said sheet consists of a set of strips, wherein each strip consists of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disulfide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method comprises: a) placing powder of at least one multilayer material selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide, between two solid substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
The method according to claim 16 further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one of the solid substrates wherein said sheet has been formed. Previously presented
The method according to claim 16, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different materials. Previously presented
The method according to claim 16, wherein at least one of the solid substrates has a hardness in Mohs scale between 4.5 and 10. Previously presented
The method according to claim 16, wherein at least one of the solid substrates is made up of a material selected from the group consisting of: c) inorganic materials selected from the group consisting of: i. semiconductor materials, ii. dielectric materials; and iii. metals; or d) other materials selected from the group consisting of plastic, paper and wood. Previously presented
The method according to claim 16, wherein the sheets and/or layers have a width between 5 nm and 50 um. Previously presented
The method according to claim 16, wherein the powder multilayer material has a mean size particle between 5 nm and 50 p m, and wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
The method according to claim 16, wherein the powder of multilayer material is graphite powder. Previously presented
The method according to claim 16, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide. Previously presented
The method according to claim 16, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
Method according to claim 16, wherein step b) is performed by applying a pressure of between 0.1 kPa and 1 kPa when rubbing is performed by hand, or between 1.1 kPa and 500kPa when rubbing is performed by mechanical means, for between 400 and 1000 rubbing cycles when rubbing is performed by hand or less than 100 rubbing cycles when rubbing is performed by mechanical means, and at a rubbing speed of between 5 and 100 cm/s. Previously presented
Method according to claim 16, wherein the sheet on the surface of the solid substrate is formed as a coating on the surface of the solid substrate to be coated. Previously presented
Claims 18-19. Canceled
Canceled
A method for obtaining a sheet of graphene, wherein the sheet of graphene consists of a net of strips, wherein each strip comprise one, two, three, four or five graphene layers of monoatomic thickness, and wherein said method comprises: a) placing powder of graphite between two substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
Claims 31-35. Canceled
Canceled
Claims 38-42. Canceled
Canceled
Materials described outside the worked examples.
graphene
boron nitride
BN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 0.2–2 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,968,104Patent 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.
Method according to claim 1, further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one solid substrate on which said sheet has been formed.
Method for coating a substra t e with a sheet of graphene, boron nitride, molybdenum disu l f ide, tungsten disulfide or mixtures t hereof, wherein said sheet consists of a set of strips, wherein said strips consist of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disul f ide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method c o mprises: a. placing powder of at least one multilaye r material selected from the group consisting of graphite, bo ron nitride, molybdenum disulfide and tungsten disul f ide, between two solid substrates, wherein at least one of said substrates is the one to b e coated, and b. rubbing the surfaces of said substrates with one another and with said powder, wherein said powder is placed be t ween said surfaces, to form said sheet on the surfac e of the solid substrate to be coated.
Method according to any of the preceding claims, wherein at least one of said solid substrates has a roughness between 0.2 nm and 2 rnm.
Method according to any of the preceding claims, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different mater i al.
Method according to any of the preceding claims, wherein at least one solid subs trat e has a hardness on the Mo h s scale between 4.5 and 1 0.
Me t hod according to any of the preceding claims, wherein at least one solid substrate is made up of a material selected from the group consisting of: a. inorganic materials selected from the group consisting of i. semiconductor materials, ii. dielectric materials; and iii. metals; or b. other materials selected from the gro up consisting of plas t ic, paper and wood.
Method according to claim 7, wherein the solid substrate is a semiconduc tor material selected from the group consisting of silicon and silicon carbide.
Method according to claim 7, wherein the solid substrate on which the sheet is formed is an inorganic metallic material selected from the group consisting of cobalt, copper, silver, gold, i ron, platinum and palladium. 1 0.Method according to any of the preceding claims, wherein the strips and/or the layers have a width between 5 nm and 50 pm. 11.Me t hod according to any of the preceding claims, wherein the powder of multilayer material has a mean particle size between 5 n m and 50 pm. 12.Method accord i ng to any of the preceding claims, wherein the graphene sheet consists of a net of strips, wherein said strips comprise one, two, three, four or five graphene layers of monoatomic thickness. 13.Method according to any of the preceding claims, wherein the powder of multilaye r material is graphi t e powder.
Method according to any of claims 1- 11, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nit ride, molybdenum disulfide and tungsten disulfide. 15.Method according to any of the preceding claims, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which a sheet is to b e formed are used. What is claimed is:
Canceled
A method for obtaining a sheet of graphene, boron nitride, molybdenum disulfide, tungsten disulfide or mixtures thereof, wherein said sheet consists of a set of strips, wherein each strip consists of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disulfide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method comprises: a) placing powder of at least one multilayer material selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide, between two solid substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
The method according to claim 16 further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one of the solid substrates wherein said sheet has been formed. Previously presented
The method according to claim 16, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different materials. Previously presented
The method according to claim 16, wherein at least one of the solid substrates has a hardness in Mohs scale between 4.5 and 10. Previously presented
The method according to claim 16, wherein at least one of the solid substrates is made up of a material selected from the group consisting of: c) inorganic materials selected from the group consisting of: i. semiconductor materials, ii. dielectric materials; and iii. metals; or d) other materials selected from the group consisting of plastic, paper and wood. Previously presented
The method according to claim 16, wherein the sheets and/or layers have a width between 5 nm and 50 um. Previously presented
The method according to claim 16, wherein the powder multilayer material has a mean size particle between 5 nm and 50 p m, and wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
The method according to claim 16, wherein the powder of multilayer material is graphite powder. Previously presented
The method according to claim 16, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide. Previously presented
The method according to claim 16, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
Method according to claim 16, wherein step b) is performed by applying a pressure of between 0.1 kPa and 1 kPa when rubbing is performed by hand, or between 1.1 kPa and 500kPa when rubbing is performed by mechanical means, for between 400 and 1000 rubbing cycles when rubbing is performed by hand or less than 100 rubbing cycles when rubbing is performed by mechanical means, and at a rubbing speed of between 5 and 100 cm/s. Previously presented
Method according to claim 16, wherein the sheet on the surface of the solid substrate is formed as a coating on the surface of the solid substrate to be coated. Previously presented
Claims 18-19. Canceled
Canceled
A method for obtaining a sheet of graphene, wherein the sheet of graphene consists of a net of strips, wherein each strip comprise one, two, three, four or five graphene layers of monoatomic thickness, and wherein said method comprises: a) placing powder of graphite between two substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
Claims 31-35. Canceled
Canceled
Claims 38-42. Canceled
Canceled
Materials described outside the worked examples.
graphene
boron nitride
BN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 0.2–2 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,968,104Patent 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.
Method according to claim 1, further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one solid substrate on which said sheet has been formed.
Method for coating a substra t e with a sheet of graphene, boron nitride, molybdenum disu l f ide, tungsten disulfide or mixtures t hereof, wherein said sheet consists of a set of strips, wherein said strips consist of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disul f ide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method c o mprises: a. placing powder of at least one multilaye r material selected from the group consisting of graphite, bo ron nitride, molybdenum disulfide and tungsten disul f ide, between two solid substrates, wherein at least one of said substrates is the one to b e coated, and b. rubbing the surfaces of said substrates with one another and with said powder, wherein said powder is placed be t ween said surfaces, to form said sheet on the surfac e of the solid substrate to be coated.
Method according to any of the preceding claims, wherein at least one of said solid substrates has a roughness between 0.2 nm and 2 rnm.
Method according to any of the preceding claims, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different mater i al.
Method according to any of the preceding claims, wherein at least one solid subs trat e has a hardness on the Mo h s scale between 4.5 and 1 0.
Me t hod according to any of the preceding claims, wherein at least one solid substrate is made up of a material selected from the group consisting of: a. inorganic materials selected from the group consisting of i. semiconductor materials, ii. dielectric materials; and iii. metals; or b. other materials selected from the gro up consisting of plas t ic, paper and wood.
Method according to claim 7, wherein the solid substrate is a semiconduc tor material selected from the group consisting of silicon and silicon carbide.
Method according to claim 7, wherein the solid substrate on which the sheet is formed is an inorganic metallic material selected from the group consisting of cobalt, copper, silver, gold, i ron, platinum and palladium. 1 0.Method according to any of the preceding claims, wherein the strips and/or the layers have a width between 5 nm and 50 pm. 11.Me t hod according to any of the preceding claims, wherein the powder of multilayer material has a mean particle size between 5 n m and 50 pm. 12.Method accord i ng to any of the preceding claims, wherein the graphene sheet consists of a net of strips, wherein said strips comprise one, two, three, four or five graphene layers of monoatomic thickness. 13.Method according to any of the preceding claims, wherein the powder of multilaye r material is graphi t e powder.
Method according to any of claims 1- 11, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nit ride, molybdenum disulfide and tungsten disulfide. 15.Method according to any of the preceding claims, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which a sheet is to b e formed are used. What is claimed is:
Canceled
A method for obtaining a sheet of graphene, boron nitride, molybdenum disulfide, tungsten disulfide or mixtures thereof, wherein said sheet consists of a set of strips, wherein each strip consists of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disulfide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method comprises: a) placing powder of at least one multilayer material selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide, between two solid substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
The method according to claim 16 further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one of the solid substrates wherein said sheet has been formed. Previously presented
The method according to claim 16, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different materials. Previously presented
The method according to claim 16, wherein at least one of the solid substrates has a hardness in Mohs scale between 4.5 and 10. Previously presented
The method according to claim 16, wherein at least one of the solid substrates is made up of a material selected from the group consisting of: c) inorganic materials selected from the group consisting of: i. semiconductor materials, ii. dielectric materials; and iii. metals; or d) other materials selected from the group consisting of plastic, paper and wood. Previously presented
The method according to claim 16, wherein the sheets and/or layers have a width between 5 nm and 50 um. Previously presented
The method according to claim 16, wherein the powder multilayer material has a mean size particle between 5 nm and 50 p m, and wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
The method according to claim 16, wherein the powder of multilayer material is graphite powder. Previously presented
The method according to claim 16, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide. Previously presented
The method according to claim 16, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
Method according to claim 16, wherein step b) is performed by applying a pressure of between 0.1 kPa and 1 kPa when rubbing is performed by hand, or between 1.1 kPa and 500kPa when rubbing is performed by mechanical means, for between 400 and 1000 rubbing cycles when rubbing is performed by hand or less than 100 rubbing cycles when rubbing is performed by mechanical means, and at a rubbing speed of between 5 and 100 cm/s. Previously presented
Method according to claim 16, wherein the sheet on the surface of the solid substrate is formed as a coating on the surface of the solid substrate to be coated. Previously presented
Claims 18-19. Canceled
Canceled
A method for obtaining a sheet of graphene, wherein the sheet of graphene consists of a net of strips, wherein each strip comprise one, two, three, four or five graphene layers of monoatomic thickness, and wherein said method comprises: a) placing powder of graphite between two substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
Claims 31-35. Canceled
Canceled
Claims 38-42. Canceled
Canceled
Materials described outside the worked examples.
graphene
boron nitride
BN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 0.2–2 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,968,104Patent 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.
Method according to claim 1, further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one solid substrate on which said sheet has been formed.
Method for coating a substra t e with a sheet of graphene, boron nitride, molybdenum disu l f ide, tungsten disulfide or mixtures t hereof, wherein said sheet consists of a set of strips, wherein said strips consist of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disul f ide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method c o mprises: a. placing powder of at least one multilaye r material selected from the group consisting of graphite, bo ron nitride, molybdenum disulfide and tungsten disul f ide, between two solid substrates, wherein at least one of said substrates is the one to b e coated, and b. rubbing the surfaces of said substrates with one another and with said powder, wherein said powder is placed be t ween said surfaces, to form said sheet on the surfac e of the solid substrate to be coated.
Method according to any of the preceding claims, wherein at least one of said solid substrates has a roughness between 0.2 nm and 2 rnm.
Method according to any of the preceding claims, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different mater i al.
Method according to any of the preceding claims, wherein at least one solid subs trat e has a hardness on the Mo h s scale between 4.5 and 1 0.
Me t hod according to any of the preceding claims, wherein at least one solid substrate is made up of a material selected from the group consisting of: a. inorganic materials selected from the group consisting of i. semiconductor materials, ii. dielectric materials; and iii. metals; or b. other materials selected from the gro up consisting of plas t ic, paper and wood.
Method according to claim 7, wherein the solid substrate is a semiconduc tor material selected from the group consisting of silicon and silicon carbide.
Method according to claim 7, wherein the solid substrate on which the sheet is formed is an inorganic metallic material selected from the group consisting of cobalt, copper, silver, gold, i ron, platinum and palladium. 1 0.Method according to any of the preceding claims, wherein the strips and/or the layers have a width between 5 nm and 50 pm. 11.Me t hod according to any of the preceding claims, wherein the powder of multilayer material has a mean particle size between 5 n m and 50 pm. 12.Method accord i ng to any of the preceding claims, wherein the graphene sheet consists of a net of strips, wherein said strips comprise one, two, three, four or five graphene layers of monoatomic thickness. 13.Method according to any of the preceding claims, wherein the powder of multilaye r material is graphi t e powder.
Method according to any of claims 1- 11, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nit ride, molybdenum disulfide and tungsten disulfide. 15.Method according to any of the preceding claims, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which a sheet is to b e formed are used. What is claimed is:
Canceled
A method for obtaining a sheet of graphene, boron nitride, molybdenum disulfide, tungsten disulfide or mixtures thereof, wherein said sheet consists of a set of strips, wherein each strip consists of between one and five layers of graphene, boron nitride, molybdenum disulfide or tungsten disulfide, wherein said layers have monoatomic or monomolecular thickness, and wherein said method comprises: a) placing powder of at least one multilayer material selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide, between two solid substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
The method according to claim 16 further comprising a step c) of removing the sheet obtained in step b) on the surface of at least one of the solid substrates wherein said sheet has been formed. Previously presented
The method according to claim 16, wherein both solid substrates, between which the powder of multilayer material is placed, are the same material or different materials. Previously presented
The method according to claim 16, wherein at least one of the solid substrates has a hardness in Mohs scale between 4.5 and 10. Previously presented
The method according to claim 16, wherein at least one of the solid substrates is made up of a material selected from the group consisting of: c) inorganic materials selected from the group consisting of: i. semiconductor materials, ii. dielectric materials; and iii. metals; or d) other materials selected from the group consisting of plastic, paper and wood. Previously presented
The method according to claim 16, wherein the sheets and/or layers have a width between 5 nm and 50 um. Previously presented
The method according to claim 16, wherein the powder multilayer material has a mean size particle between 5 nm and 50 p m, and wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
The method according to claim 16, wherein the powder of multilayer material is graphite powder. Previously presented
The method according to claim 16, wherein the powder of multilayer material is a powder mixture of at least two materials selected from the group consisting of graphite, boron nitride, molybdenum disulfide and tungsten disulfide. Previously presented
The method according to claim 16, wherein between 0.25 and 5 nanograms of powder per mm 2 of surface area of the substrate in which the sheet is to be formed are used. Previously presented
Method according to claim 16, wherein step b) is performed by applying a pressure of between 0.1 kPa and 1 kPa when rubbing is performed by hand, or between 1.1 kPa and 500kPa when rubbing is performed by mechanical means, for between 400 and 1000 rubbing cycles when rubbing is performed by hand or less than 100 rubbing cycles when rubbing is performed by mechanical means, and at a rubbing speed of between 5 and 100 cm/s. Previously presented
Method according to claim 16, wherein the sheet on the surface of the solid substrate is formed as a coating on the surface of the solid substrate to be coated. Previously presented
Claims 18-19. Canceled
Canceled
A method for obtaining a sheet of graphene, wherein the sheet of graphene consists of a net of strips, wherein each strip comprise one, two, three, four or five graphene layers of monoatomic thickness, and wherein said method comprises: a) placing powder of graphite between two substrates, wherein at least one of said solid substrates has a roughness between 0.2 and 2 nm; and b) rubbing the surfaces of said substrates between them and with said powder, wherein said powder is placed between said surfaces, to form said sheet on the surface of at least one solid substrate. Previously presented
Claims 31-35. Canceled
Canceled
Claims 38-42. Canceled
Canceled
Materials described outside the worked examples.
graphene
boron nitride
BN
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 0.2–2 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
graphite
silicon
Si
silicon carbide
SiC
inorganic metallic substrate
| 5–50000 nm |
| — |
Pressure | 0.1–1 kPa | — |
Pressure | 1.1–500 kPa | — |
Thickness | 5–100 cm | — |
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
graphite
silicon
Si
silicon carbide
SiC
inorganic metallic substrate
| 5–50000 nm |
| — |
Pressure | 0.1–1 kPa | — |
Pressure | 1.1–500 kPa | — |
Thickness | 5–100 cm | — |
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
graphite
silicon
Si
silicon carbide
SiC
inorganic metallic substrate
| 5–50000 nm |
| — |
Pressure | 0.1–1 kPa | — |
Pressure | 1.1–500 kPa | — |
Thickness | 5–100 cm | — |
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
graphite
silicon
Si
silicon carbide
SiC
inorganic metallic substrate
| 5–50000 nm |
| — |
Pressure | 0.1–1 kPa | — |
Pressure | 1.1–500 kPa | — |
Thickness | 5–100 cm | — |