Patent
US 9,947,505GRAPHENE MODIFICATION
Christopher J. RUSSO
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,947,505Patent 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.
A support for receiving a biological sample, the support comprising at least one support member, and comprising graphene attached to said at least one support 5 member, characterised in that said graphene is partially hydrogenated graphene.
A support according to claim 1 wherein said graphene is 0.01% to 50% hydrogenated graphene. 10 3. A support according to claim 2 2 wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5% hydrogenated graphene.
A sensor according to claim 17, wherein said graphene is 0.01 % to 50 % hydrogenated graphene. 30 19. A sensor according to claim 1 8 8, wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5 % hydrogenated graphene.
A support according to any of claims 1 to 7 which is an electron microscopy (E M) support.
A sensor comprising a support according to any of claims 1 to 7. 5 22. A method for cleaning a graphene surface, comprising contacting said graphene surface with a hydrogen plasma or a helium plasma or a neon plasma for a time sufficient to remove surface impurities. 10 23. A method according to claim 22, wherein said plasma is at an energy in the range 1 to 14 eV.
A method of imaging a biological sample, the method comprising: configuring said biological sample on a support according to any one of claims 1 to 7, arranging said support in an electron beam of an electron microscope, and collecting 5 image data.
An imaging apparatus operable to provide an electron microscopy image of a biological sample, said apparatus comprising: a biological sample mounted on a support according to any one of claims 1 to 7, an 10 electron beam of an electron microscope arranged to be incident on said support, and a collection device operable to collect image data. GRAPHENE MODIFICATION What is claimed is:
The support according to claim 1, wherein the graphene is suspended graphene attached to the at least one support member. Previously presented
The support accordingly to claim 1, wherein the support constitutes a transmission electron microscopy support. Previously presented
A support according to any preceding claim wherein the at least one support member is attached to a support film, and the graphene is attached to said support 15 film.
An electron microscopy support according to claim 4 wherein said support film comprises carbon. 20 6. A support according to any preceding claim wherein said partially hydrogenated graphene comprises at least a first area of graphene and at least one further area of graphene, wherein said first area is hydrogenated to a first hydrogenation value, and said at least one further area is hydrogenated to a different hydrogenation value. 25 7. A support according to any preceding claim further comprising a biological molecule adsorbed to said partially hydrogenated graphene.
Use of a partially hydrogenated graphene surface to support a biological 30 molecule for electron microscopy.
A method for making a partially hydrogenated graphene, the method comprising applying a hydrogen ion or hydrogen atom to the surface of graphene, 48 P₁ oo85WO characterised in that said hydrogen ion or hydrogen atom is applied at an energy in the range 1 to 21 eV.
A method according to claim 9, wherein the energy is in the range 1 to 14 eV. 5 11. A method according to claim 9 or claim 10 wherein said application of hydrogen is ceased before hydrogen saturation of the graphene.
A method according to any of claims 9 to 11, wherein said hydrogen ion or 10 hydrogen atom is applied in the form of hydrogen plasma.
A method according to any of claims 9 to 14 wherein said graphene is graphene mounted on an electron microscopy support. 20 16. Partially hydrogenated graphene obtained by a method according to any of claims 9 to 15.
A sensor comprising a surface capable of adsorbing a biological molecule 25 thereto, wherein said surface comprises partially hydrogenated graphene.
A method according to claim 22 or claim 23, wherein said plasma is an inert plasma. 15 25. A method according to claim 24 wherein said plasma is neon plasma.
A method according to claim 24 wherein said plasma is helium plasma. 20 27. A method according to any of claims 22 to 26, wherein said graphene surface is contacted with said plasma for 1 to 30 seconds.
A method according to claim 27, wherein said graphene surface is contacted with said plasma for 1 to 10 seconds. 25 29. A method according to any of claims 22 to 28 wherein said graphene is partially hydrogenated graphene.
Cleaned graphene obtained by a method according to any of claims 22 to 29. 30 31. Use of a hydrogen plasma at an energy in the range 1 to 14 eV for preparation of graphene for use in electron microscopy.
Use according to claim 31 wherein the graphene is prepared by partial 35 hydrogenation.
The support according to claim 3, wherein said graphene is 5 % hydrogenated graphene. Previously presented
The sensor according to claim 19, wherein said graphene is 5 % hydrogenated graphene. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
electron microscopy support
sensor with partially hydrogenated graphene surface
Materials described outside the worked examples.
partially hydrogenated graphene
carbon support film
C
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
water-graphene (air-water-graphene) contact angle of partially hydrogenated graphene | 83 degrees | partially hydrogenated graphene |
— | 1–21 eV |
Patent
Atlas literature
Patent
US 9,947,505Patent 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.
A support for receiving a biological sample, the support comprising at least one support member, and comprising graphene attached to said at least one support 5 member, characterised in that said graphene is partially hydrogenated graphene.
A support according to claim 1 wherein said graphene is 0.01% to 50% hydrogenated graphene. 10 3. A support according to claim 2 2 wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5% hydrogenated graphene.
A sensor according to claim 17, wherein said graphene is 0.01 % to 50 % hydrogenated graphene. 30 19. A sensor according to claim 1 8 8, wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5 % hydrogenated graphene.
A support according to any of claims 1 to 7 which is an electron microscopy (E M) support.
A sensor comprising a support according to any of claims 1 to 7. 5 22. A method for cleaning a graphene surface, comprising contacting said graphene surface with a hydrogen plasma or a helium plasma or a neon plasma for a time sufficient to remove surface impurities. 10 23. A method according to claim 22, wherein said plasma is at an energy in the range 1 to 14 eV.
A method of imaging a biological sample, the method comprising: configuring said biological sample on a support according to any one of claims 1 to 7, arranging said support in an electron beam of an electron microscope, and collecting 5 image data.
An imaging apparatus operable to provide an electron microscopy image of a biological sample, said apparatus comprising: a biological sample mounted on a support according to any one of claims 1 to 7, an 10 electron beam of an electron microscope arranged to be incident on said support, and a collection device operable to collect image data. GRAPHENE MODIFICATION What is claimed is:
The support according to claim 1, wherein the graphene is suspended graphene attached to the at least one support member. Previously presented
The support accordingly to claim 1, wherein the support constitutes a transmission electron microscopy support. Previously presented
A support according to any preceding claim wherein the at least one support member is attached to a support film, and the graphene is attached to said support 15 film.
An electron microscopy support according to claim 4 wherein said support film comprises carbon. 20 6. A support according to any preceding claim wherein said partially hydrogenated graphene comprises at least a first area of graphene and at least one further area of graphene, wherein said first area is hydrogenated to a first hydrogenation value, and said at least one further area is hydrogenated to a different hydrogenation value. 25 7. A support according to any preceding claim further comprising a biological molecule adsorbed to said partially hydrogenated graphene.
Use of a partially hydrogenated graphene surface to support a biological 30 molecule for electron microscopy.
A method for making a partially hydrogenated graphene, the method comprising applying a hydrogen ion or hydrogen atom to the surface of graphene, 48 P₁ oo85WO characterised in that said hydrogen ion or hydrogen atom is applied at an energy in the range 1 to 21 eV.
A method according to claim 9, wherein the energy is in the range 1 to 14 eV. 5 11. A method according to claim 9 or claim 10 wherein said application of hydrogen is ceased before hydrogen saturation of the graphene.
A method according to any of claims 9 to 11, wherein said hydrogen ion or 10 hydrogen atom is applied in the form of hydrogen plasma.
A method according to any of claims 9 to 14 wherein said graphene is graphene mounted on an electron microscopy support. 20 16. Partially hydrogenated graphene obtained by a method according to any of claims 9 to 15.
A sensor comprising a surface capable of adsorbing a biological molecule 25 thereto, wherein said surface comprises partially hydrogenated graphene.
A method according to claim 22 or claim 23, wherein said plasma is an inert plasma. 15 25. A method according to claim 24 wherein said plasma is neon plasma.
A method according to claim 24 wherein said plasma is helium plasma. 20 27. A method according to any of claims 22 to 26, wherein said graphene surface is contacted with said plasma for 1 to 30 seconds.
A method according to claim 27, wherein said graphene surface is contacted with said plasma for 1 to 10 seconds. 25 29. A method according to any of claims 22 to 28 wherein said graphene is partially hydrogenated graphene.
Cleaned graphene obtained by a method according to any of claims 22 to 29. 30 31. Use of a hydrogen plasma at an energy in the range 1 to 14 eV for preparation of graphene for use in electron microscopy.
Use according to claim 31 wherein the graphene is prepared by partial 35 hydrogenation.
The support according to claim 3, wherein said graphene is 5 % hydrogenated graphene. Previously presented
The sensor according to claim 19, wherein said graphene is 5 % hydrogenated graphene. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
electron microscopy support
sensor with partially hydrogenated graphene surface
Materials described outside the worked examples.
partially hydrogenated graphene
carbon support film
C
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
water-graphene (air-water-graphene) contact angle of partially hydrogenated graphene | 83 degrees | partially hydrogenated graphene |
— | 1–21 eV |
Patent
Atlas literature
Patent
US 9,947,505Patent 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.
A support for receiving a biological sample, the support comprising at least one support member, and comprising graphene attached to said at least one support 5 member, characterised in that said graphene is partially hydrogenated graphene.
A support according to claim 1 wherein said graphene is 0.01% to 50% hydrogenated graphene. 10 3. A support according to claim 2 2 wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5% hydrogenated graphene.
A sensor according to claim 17, wherein said graphene is 0.01 % to 50 % hydrogenated graphene. 30 19. A sensor according to claim 1 8 8, wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5 % hydrogenated graphene.
A support according to any of claims 1 to 7 which is an electron microscopy (E M) support.
A sensor comprising a support according to any of claims 1 to 7. 5 22. A method for cleaning a graphene surface, comprising contacting said graphene surface with a hydrogen plasma or a helium plasma or a neon plasma for a time sufficient to remove surface impurities. 10 23. A method according to claim 22, wherein said plasma is at an energy in the range 1 to 14 eV.
A method of imaging a biological sample, the method comprising: configuring said biological sample on a support according to any one of claims 1 to 7, arranging said support in an electron beam of an electron microscope, and collecting 5 image data.
An imaging apparatus operable to provide an electron microscopy image of a biological sample, said apparatus comprising: a biological sample mounted on a support according to any one of claims 1 to 7, an 10 electron beam of an electron microscope arranged to be incident on said support, and a collection device operable to collect image data. GRAPHENE MODIFICATION What is claimed is:
The support according to claim 1, wherein the graphene is suspended graphene attached to the at least one support member. Previously presented
The support accordingly to claim 1, wherein the support constitutes a transmission electron microscopy support. Previously presented
A support according to any preceding claim wherein the at least one support member is attached to a support film, and the graphene is attached to said support 15 film.
An electron microscopy support according to claim 4 wherein said support film comprises carbon. 20 6. A support according to any preceding claim wherein said partially hydrogenated graphene comprises at least a first area of graphene and at least one further area of graphene, wherein said first area is hydrogenated to a first hydrogenation value, and said at least one further area is hydrogenated to a different hydrogenation value. 25 7. A support according to any preceding claim further comprising a biological molecule adsorbed to said partially hydrogenated graphene.
Use of a partially hydrogenated graphene surface to support a biological 30 molecule for electron microscopy.
A method for making a partially hydrogenated graphene, the method comprising applying a hydrogen ion or hydrogen atom to the surface of graphene, 48 P₁ oo85WO characterised in that said hydrogen ion or hydrogen atom is applied at an energy in the range 1 to 21 eV.
A method according to claim 9, wherein the energy is in the range 1 to 14 eV. 5 11. A method according to claim 9 or claim 10 wherein said application of hydrogen is ceased before hydrogen saturation of the graphene.
A method according to any of claims 9 to 11, wherein said hydrogen ion or 10 hydrogen atom is applied in the form of hydrogen plasma.
A method according to any of claims 9 to 14 wherein said graphene is graphene mounted on an electron microscopy support. 20 16. Partially hydrogenated graphene obtained by a method according to any of claims 9 to 15.
A sensor comprising a surface capable of adsorbing a biological molecule 25 thereto, wherein said surface comprises partially hydrogenated graphene.
A method according to claim 22 or claim 23, wherein said plasma is an inert plasma. 15 25. A method according to claim 24 wherein said plasma is neon plasma.
A method according to claim 24 wherein said plasma is helium plasma. 20 27. A method according to any of claims 22 to 26, wherein said graphene surface is contacted with said plasma for 1 to 30 seconds.
A method according to claim 27, wherein said graphene surface is contacted with said plasma for 1 to 10 seconds. 25 29. A method according to any of claims 22 to 28 wherein said graphene is partially hydrogenated graphene.
Cleaned graphene obtained by a method according to any of claims 22 to 29. 30 31. Use of a hydrogen plasma at an energy in the range 1 to 14 eV for preparation of graphene for use in electron microscopy.
Use according to claim 31 wherein the graphene is prepared by partial 35 hydrogenation.
The support according to claim 3, wherein said graphene is 5 % hydrogenated graphene. Previously presented
The sensor according to claim 19, wherein said graphene is 5 % hydrogenated graphene. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
electron microscopy support
sensor with partially hydrogenated graphene surface
Materials described outside the worked examples.
partially hydrogenated graphene
carbon support film
C
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
water-graphene (air-water-graphene) contact angle of partially hydrogenated graphene | 83 degrees | partially hydrogenated graphene |
— | 1–21 eV |
Patent
Atlas literature
Patent
US 9,947,505Patent 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.
A support for receiving a biological sample, the support comprising at least one support member, and comprising graphene attached to said at least one support 5 member, characterised in that said graphene is partially hydrogenated graphene.
A support according to claim 1 wherein said graphene is 0.01% to 50% hydrogenated graphene. 10 3. A support according to claim 2 2 wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5% hydrogenated graphene.
A sensor according to claim 17, wherein said graphene is 0.01 % to 50 % hydrogenated graphene. 30 19. A sensor according to claim 1 8 8, wherein said graphene is 3% to 10% hydrogenated graphene, preferably 5 % hydrogenated graphene.
A support according to any of claims 1 to 7 which is an electron microscopy (E M) support.
A sensor comprising a support according to any of claims 1 to 7. 5 22. A method for cleaning a graphene surface, comprising contacting said graphene surface with a hydrogen plasma or a helium plasma or a neon plasma for a time sufficient to remove surface impurities. 10 23. A method according to claim 22, wherein said plasma is at an energy in the range 1 to 14 eV.
A method of imaging a biological sample, the method comprising: configuring said biological sample on a support according to any one of claims 1 to 7, arranging said support in an electron beam of an electron microscope, and collecting 5 image data.
An imaging apparatus operable to provide an electron microscopy image of a biological sample, said apparatus comprising: a biological sample mounted on a support according to any one of claims 1 to 7, an 10 electron beam of an electron microscope arranged to be incident on said support, and a collection device operable to collect image data. GRAPHENE MODIFICATION What is claimed is:
The support according to claim 1, wherein the graphene is suspended graphene attached to the at least one support member. Previously presented
The support accordingly to claim 1, wherein the support constitutes a transmission electron microscopy support. Previously presented
A support according to any preceding claim wherein the at least one support member is attached to a support film, and the graphene is attached to said support 15 film.
An electron microscopy support according to claim 4 wherein said support film comprises carbon. 20 6. A support according to any preceding claim wherein said partially hydrogenated graphene comprises at least a first area of graphene and at least one further area of graphene, wherein said first area is hydrogenated to a first hydrogenation value, and said at least one further area is hydrogenated to a different hydrogenation value. 25 7. A support according to any preceding claim further comprising a biological molecule adsorbed to said partially hydrogenated graphene.
Use of a partially hydrogenated graphene surface to support a biological 30 molecule for electron microscopy.
A method for making a partially hydrogenated graphene, the method comprising applying a hydrogen ion or hydrogen atom to the surface of graphene, 48 P₁ oo85WO characterised in that said hydrogen ion or hydrogen atom is applied at an energy in the range 1 to 21 eV.
A method according to claim 9, wherein the energy is in the range 1 to 14 eV. 5 11. A method according to claim 9 or claim 10 wherein said application of hydrogen is ceased before hydrogen saturation of the graphene.
A method according to any of claims 9 to 11, wherein said hydrogen ion or 10 hydrogen atom is applied in the form of hydrogen plasma.
A method according to any of claims 9 to 14 wherein said graphene is graphene mounted on an electron microscopy support. 20 16. Partially hydrogenated graphene obtained by a method according to any of claims 9 to 15.
A sensor comprising a surface capable of adsorbing a biological molecule 25 thereto, wherein said surface comprises partially hydrogenated graphene.
A method according to claim 22 or claim 23, wherein said plasma is an inert plasma. 15 25. A method according to claim 24 wherein said plasma is neon plasma.
A method according to claim 24 wherein said plasma is helium plasma. 20 27. A method according to any of claims 22 to 26, wherein said graphene surface is contacted with said plasma for 1 to 30 seconds.
A method according to claim 27, wherein said graphene surface is contacted with said plasma for 1 to 10 seconds. 25 29. A method according to any of claims 22 to 28 wherein said graphene is partially hydrogenated graphene.
Cleaned graphene obtained by a method according to any of claims 22 to 29. 30 31. Use of a hydrogen plasma at an energy in the range 1 to 14 eV for preparation of graphene for use in electron microscopy.
Use according to claim 31 wherein the graphene is prepared by partial 35 hydrogenation.
The support according to claim 3, wherein said graphene is 5 % hydrogenated graphene. Previously presented
The sensor according to claim 19, wherein said graphene is 5 % hydrogenated graphene. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
electron microscopy support
sensor with partially hydrogenated graphene surface
Materials described outside the worked examples.
partially hydrogenated graphene
carbon support film
C
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
water-graphene (air-water-graphene) contact angle of partially hydrogenated graphene | 83 degrees | partially hydrogenated graphene |
— | 1–21 eV |
graphane
| — |
Pressure | 0.00001 Torr | — |
Duration | 10–15 seconds | — |
Temperature | 80–90 K | — |
— | 10–15 eV | — |
Pressure | 50–200 MPa | — |
Pressure | ≤ 20 mTorr | — |
Pressure | ≤ 0.00001 Torr | — |
— | ≤ 3 W | — |
— | 1–14 eV | — |
— | 5–10 eV | — |
Duration | 1–30 seconds | — |
Duration | 1–10 seconds | — |
Duration | 11–165 seconds | — |
Duration | 11–120 seconds | — |
Duration | 11–80 seconds | — |
Duration | 15–25 seconds | — |
Duration | 18–22 seconds | — |
Duration | 10–40 seconds | — |
Thickness | 0.05–10 um | — |
Thickness | 100–500 Å | — |
— | ≤ 21 eV | — |
— | ≤ 14.1 eV | — |
— | ≤ 13.1 eV | — |
— | ≤ 14 eV | — |
— | ≥ 21 eV | — |
graphane
| — |
Pressure | 0.00001 Torr | — |
Duration | 10–15 seconds | — |
Temperature | 80–90 K | — |
— | 10–15 eV | — |
Pressure | 50–200 MPa | — |
Pressure | ≤ 20 mTorr | — |
Pressure | ≤ 0.00001 Torr | — |
— | ≤ 3 W | — |
— | 1–14 eV | — |
— | 5–10 eV | — |
Duration | 1–30 seconds | — |
Duration | 1–10 seconds | — |
Duration | 11–165 seconds | — |
Duration | 11–120 seconds | — |
Duration | 11–80 seconds | — |
Duration | 15–25 seconds | — |
Duration | 18–22 seconds | — |
Duration | 10–40 seconds | — |
Thickness | 0.05–10 um | — |
Thickness | 100–500 Å | — |
— | ≤ 21 eV | — |
— | ≤ 14.1 eV | — |
— | ≤ 13.1 eV | — |
— | ≤ 14 eV | — |
— | ≥ 21 eV | — |
graphane
| — |
Pressure | 0.00001 Torr | — |
Duration | 10–15 seconds | — |
Temperature | 80–90 K | — |
— | 10–15 eV | — |
Pressure | 50–200 MPa | — |
Pressure | ≤ 20 mTorr | — |
Pressure | ≤ 0.00001 Torr | — |
— | ≤ 3 W | — |
— | 1–14 eV | — |
— | 5–10 eV | — |
Duration | 1–30 seconds | — |
Duration | 1–10 seconds | — |
Duration | 11–165 seconds | — |
Duration | 11–120 seconds | — |
Duration | 11–80 seconds | — |
Duration | 15–25 seconds | — |
Duration | 18–22 seconds | — |
Duration | 10–40 seconds | — |
Thickness | 0.05–10 um | — |
Thickness | 100–500 Å | — |
— | ≤ 21 eV | — |
— | ≤ 14.1 eV | — |
— | ≤ 13.1 eV | — |
— | ≤ 14 eV | — |
— | ≥ 21 eV | — |
graphane
| — |
Pressure | 0.00001 Torr | — |
Duration | 10–15 seconds | — |
Temperature | 80–90 K | — |
— | 10–15 eV | — |
Pressure | 50–200 MPa | — |
Pressure | ≤ 20 mTorr | — |
Pressure | ≤ 0.00001 Torr | — |
— | ≤ 3 W | — |
— | 1–14 eV | — |
— | 5–10 eV | — |
Duration | 1–30 seconds | — |
Duration | 1–10 seconds | — |
Duration | 11–165 seconds | — |
Duration | 11–120 seconds | — |
Duration | 11–80 seconds | — |
Duration | 15–25 seconds | — |
Duration | 18–22 seconds | — |
Duration | 10–40 seconds | — |
Thickness | 0.05–10 um | — |
Thickness | 100–500 Å | — |
— | ≤ 21 eV | — |
— | ≤ 14.1 eV | — |
— | ≤ 13.1 eV | — |
— | ≤ 14 eV | — |
— | ≥ 21 eV | — |