Patent
US 10,696,554NANOPARTICLE MODIFICATION AND PERFORATION OF GRAPHENE
Peter V. BEDWORTH
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,696,554Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
FIG. 4 B). [0039] FiG. 5 is a scanning electrion microscopy image of two independently stacked layers of single layer graphene on a track etched polyimide …
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 for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material, comprising at least 20 atomic percentage graphene, on a porous substrate, the graphene-based material comprising multi-layer graphene having from 2 to 10 graphene layers, wherein at least two of the graphene layers are independently stacked; b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising core shell nanoparticles or silica coated metal nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby perforating the sheet of graphene-based material; c) irradiating the graphene-based material with an ion beam prior to step b) and after step a) wherein ions of the ion beam have an ion energy from 50 eV to 10 keV and a fluence from 3 x 101 0 ions/cm 2 to 8 x 1011 ions/cm 2, wherein each nanoparticle comprises a plurality of atoms and an energy i -s from 0.05 to 50 eV per atom, and wherein a fluence is from 1x10 8-1x10 12 NPs/cm 2. Currently amended
The method of claim 1, wherein the multi-layer graphene has from 2 to 5 layers. Original
The method of claim 1, wherein the nanoparticle has a size i-s of from 2 nm to 50 nm. Currently amended
The method of claim 1, wherein the nanoparticles are silica coated metal nanoparticles. Original
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrough, and a size of pores of the plurality of pores is from 1 to 100 nm. Currently amended
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrou g h, and a size of pores of the plurality of pores is from 1 to 50 nm. Currently amended
The method of claim 1, wherein the method further includes a step of exposing the graphene-based material to ultraviolet light and oxygen prior to step b) and after step a). Previously presented
- 4. Canceled
Canceled
Canceled
The method of claim I, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Original
Canceled
A method for modifying a sheet of perforated graphene-based material, the method comprising the steps of: a) disposing a sheet of perforated graphene -based material on a porous substrate, the perforated graphene-based material having from I to 10 graphene layers and comprising a first set of pores extending through the sheet of graphene-based material and having a first pore size; b) exposing the sheet of perforated graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby modifying the sheet of perforated graphene-based material, wherein modifying the sheet of perforated graphene-based material comprises creating a second set of pores having a second pore size extending through the multiple graphene sheets, modifying the first pore size or combinations thereof. Withdrawn
The method of claim 13, wherein the perforated graphene-based material comprises multilayer graphene having from 2 to 5 layers. Withdrawn
The method of claim 13, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 13, wherein the fluence is from 1x 10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 13, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 13, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 13, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 13, wherein the nanoparticles are silica coated metal nanoparticles. Withdrawn
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene -based material on a porous substrate, the graphene based material having from 1 to 10 graphene layers; and b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising nanoparticles, the nanoparticles having energy of at least 2 keV per particle, thereby opening a plurality of pores extending through the multiple graphene sheets wherein the nanoparticles are collimated and provided at an incidence angle greater than 00 and less than or equal to 89 0 normal to the basal plane of the sheet of graphene-based material. Withdrawn
The method of claim 21, wherein the incidence angle is from 45 degrees to 70 degrees. Withdrawn
The method of claim 21, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 21, wherein the fluence is from 1x10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 21, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 21, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 21, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 21, wherein the nanoparticles are silica coated metal nanoparticles Withdrawn
-31.. Canceled
Canceled
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material on track etched polyimide, the graphene-based material comprising two single layer graphene layers independently stacked; b) exposing the sheet of graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby opening a plurality of pores extending through the sheet of graphene-based material. Withdrawn
Materials described outside the worked examples.
graphene-based material (multi-layer graphene)
core shell nanoparticles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 100–500000 nm | — |
Thickness |
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An Integrated Constrained Gradient Descent (iCGD) Protocol to Correct Scan-Positional Errors for Electron Ptychography with High Accuracy and Precision
Imaging the electron charge density in monolayer MoS2 at the Ångstrom scale
Patent
Atlas literature
Patent
US 10,696,554Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
FIG. 4 B). [0039] FiG. 5 is a scanning electrion microscopy image of two independently stacked layers of single layer graphene on a track etched polyimide …
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 for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material, comprising at least 20 atomic percentage graphene, on a porous substrate, the graphene-based material comprising multi-layer graphene having from 2 to 10 graphene layers, wherein at least two of the graphene layers are independently stacked; b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising core shell nanoparticles or silica coated metal nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby perforating the sheet of graphene-based material; c) irradiating the graphene-based material with an ion beam prior to step b) and after step a) wherein ions of the ion beam have an ion energy from 50 eV to 10 keV and a fluence from 3 x 101 0 ions/cm 2 to 8 x 1011 ions/cm 2, wherein each nanoparticle comprises a plurality of atoms and an energy i -s from 0.05 to 50 eV per atom, and wherein a fluence is from 1x10 8-1x10 12 NPs/cm 2. Currently amended
The method of claim 1, wherein the multi-layer graphene has from 2 to 5 layers. Original
The method of claim 1, wherein the nanoparticle has a size i-s of from 2 nm to 50 nm. Currently amended
The method of claim 1, wherein the nanoparticles are silica coated metal nanoparticles. Original
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrough, and a size of pores of the plurality of pores is from 1 to 100 nm. Currently amended
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrou g h, and a size of pores of the plurality of pores is from 1 to 50 nm. Currently amended
The method of claim 1, wherein the method further includes a step of exposing the graphene-based material to ultraviolet light and oxygen prior to step b) and after step a). Previously presented
- 4. Canceled
Canceled
Canceled
The method of claim I, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Original
Canceled
A method for modifying a sheet of perforated graphene-based material, the method comprising the steps of: a) disposing a sheet of perforated graphene -based material on a porous substrate, the perforated graphene-based material having from I to 10 graphene layers and comprising a first set of pores extending through the sheet of graphene-based material and having a first pore size; b) exposing the sheet of perforated graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby modifying the sheet of perforated graphene-based material, wherein modifying the sheet of perforated graphene-based material comprises creating a second set of pores having a second pore size extending through the multiple graphene sheets, modifying the first pore size or combinations thereof. Withdrawn
The method of claim 13, wherein the perforated graphene-based material comprises multilayer graphene having from 2 to 5 layers. Withdrawn
The method of claim 13, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 13, wherein the fluence is from 1x 10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 13, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 13, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 13, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 13, wherein the nanoparticles are silica coated metal nanoparticles. Withdrawn
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene -based material on a porous substrate, the graphene based material having from 1 to 10 graphene layers; and b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising nanoparticles, the nanoparticles having energy of at least 2 keV per particle, thereby opening a plurality of pores extending through the multiple graphene sheets wherein the nanoparticles are collimated and provided at an incidence angle greater than 00 and less than or equal to 89 0 normal to the basal plane of the sheet of graphene-based material. Withdrawn
The method of claim 21, wherein the incidence angle is from 45 degrees to 70 degrees. Withdrawn
The method of claim 21, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 21, wherein the fluence is from 1x10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 21, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 21, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 21, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 21, wherein the nanoparticles are silica coated metal nanoparticles Withdrawn
-31.. Canceled
Canceled
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material on track etched polyimide, the graphene-based material comprising two single layer graphene layers independently stacked; b) exposing the sheet of graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby opening a plurality of pores extending through the sheet of graphene-based material. Withdrawn
Materials described outside the worked examples.
graphene-based material (multi-layer graphene)
core shell nanoparticles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 100–500000 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
An Integrated Constrained Gradient Descent (iCGD) Protocol to Correct Scan-Positional Errors for Electron Ptychography with High Accuracy and Precision
Imaging the electron charge density in monolayer MoS2 at the Ångstrom scale
Patent
Atlas literature
Patent
US 10,696,554Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
FIG. 4 B). [0039] FiG. 5 is a scanning electrion microscopy image of two independently stacked layers of single layer graphene on a track etched polyimide …
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 for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material, comprising at least 20 atomic percentage graphene, on a porous substrate, the graphene-based material comprising multi-layer graphene having from 2 to 10 graphene layers, wherein at least two of the graphene layers are independently stacked; b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising core shell nanoparticles or silica coated metal nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby perforating the sheet of graphene-based material; c) irradiating the graphene-based material with an ion beam prior to step b) and after step a) wherein ions of the ion beam have an ion energy from 50 eV to 10 keV and a fluence from 3 x 101 0 ions/cm 2 to 8 x 1011 ions/cm 2, wherein each nanoparticle comprises a plurality of atoms and an energy i -s from 0.05 to 50 eV per atom, and wherein a fluence is from 1x10 8-1x10 12 NPs/cm 2. Currently amended
The method of claim 1, wherein the multi-layer graphene has from 2 to 5 layers. Original
The method of claim 1, wherein the nanoparticle has a size i-s of from 2 nm to 50 nm. Currently amended
The method of claim 1, wherein the nanoparticles are silica coated metal nanoparticles. Original
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrough, and a size of pores of the plurality of pores is from 1 to 100 nm. Currently amended
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrou g h, and a size of pores of the plurality of pores is from 1 to 50 nm. Currently amended
The method of claim 1, wherein the method further includes a step of exposing the graphene-based material to ultraviolet light and oxygen prior to step b) and after step a). Previously presented
- 4. Canceled
Canceled
Canceled
The method of claim I, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Original
Canceled
A method for modifying a sheet of perforated graphene-based material, the method comprising the steps of: a) disposing a sheet of perforated graphene -based material on a porous substrate, the perforated graphene-based material having from I to 10 graphene layers and comprising a first set of pores extending through the sheet of graphene-based material and having a first pore size; b) exposing the sheet of perforated graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby modifying the sheet of perforated graphene-based material, wherein modifying the sheet of perforated graphene-based material comprises creating a second set of pores having a second pore size extending through the multiple graphene sheets, modifying the first pore size or combinations thereof. Withdrawn
The method of claim 13, wherein the perforated graphene-based material comprises multilayer graphene having from 2 to 5 layers. Withdrawn
The method of claim 13, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 13, wherein the fluence is from 1x 10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 13, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 13, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 13, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 13, wherein the nanoparticles are silica coated metal nanoparticles. Withdrawn
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene -based material on a porous substrate, the graphene based material having from 1 to 10 graphene layers; and b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising nanoparticles, the nanoparticles having energy of at least 2 keV per particle, thereby opening a plurality of pores extending through the multiple graphene sheets wherein the nanoparticles are collimated and provided at an incidence angle greater than 00 and less than or equal to 89 0 normal to the basal plane of the sheet of graphene-based material. Withdrawn
The method of claim 21, wherein the incidence angle is from 45 degrees to 70 degrees. Withdrawn
The method of claim 21, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 21, wherein the fluence is from 1x10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 21, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 21, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 21, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 21, wherein the nanoparticles are silica coated metal nanoparticles Withdrawn
-31.. Canceled
Canceled
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material on track etched polyimide, the graphene-based material comprising two single layer graphene layers independently stacked; b) exposing the sheet of graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby opening a plurality of pores extending through the sheet of graphene-based material. Withdrawn
Materials described outside the worked examples.
graphene-based material (multi-layer graphene)
core shell nanoparticles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 100–500000 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
An Integrated Constrained Gradient Descent (iCGD) Protocol to Correct Scan-Positional Errors for Electron Ptychography with High Accuracy and Precision
Imaging the electron charge density in monolayer MoS2 at the Ångstrom scale
Patent
Atlas literature
Patent
US 10,696,554Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
FIG. 4 B). [0039] FiG. 5 is a scanning electrion microscopy image of two independently stacked layers of single layer graphene on a track etched polyimide …
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 for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material, comprising at least 20 atomic percentage graphene, on a porous substrate, the graphene-based material comprising multi-layer graphene having from 2 to 10 graphene layers, wherein at least two of the graphene layers are independently stacked; b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising core shell nanoparticles or silica coated metal nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby perforating the sheet of graphene-based material; c) irradiating the graphene-based material with an ion beam prior to step b) and after step a) wherein ions of the ion beam have an ion energy from 50 eV to 10 keV and a fluence from 3 x 101 0 ions/cm 2 to 8 x 1011 ions/cm 2, wherein each nanoparticle comprises a plurality of atoms and an energy i -s from 0.05 to 50 eV per atom, and wherein a fluence is from 1x10 8-1x10 12 NPs/cm 2. Currently amended
The method of claim 1, wherein the multi-layer graphene has from 2 to 5 layers. Original
The method of claim 1, wherein the nanoparticle has a size i-s of from 2 nm to 50 nm. Currently amended
The method of claim 1, wherein the nanoparticles are silica coated metal nanoparticles. Original
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrough, and a size of pores of the plurality of pores is from 1 to 100 nm. Currently amended
The method of claim 1, wherein the perforating the sheet of graphene based material opens a plurality of pores extending therethrou g h, and a size of pores of the plurality of pores is from 1 to 50 nm. Currently amended
The method of claim 1, wherein the method further includes a step of exposing the graphene-based material to ultraviolet light and oxygen prior to step b) and after step a). Previously presented
- 4. Canceled
Canceled
Canceled
The method of claim I, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Original
Canceled
A method for modifying a sheet of perforated graphene-based material, the method comprising the steps of: a) disposing a sheet of perforated graphene -based material on a porous substrate, the perforated graphene-based material having from I to 10 graphene layers and comprising a first set of pores extending through the sheet of graphene-based material and having a first pore size; b) exposing the sheet of perforated graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby modifying the sheet of perforated graphene-based material, wherein modifying the sheet of perforated graphene-based material comprises creating a second set of pores having a second pore size extending through the multiple graphene sheets, modifying the first pore size or combinations thereof. Withdrawn
The method of claim 13, wherein the perforated graphene-based material comprises multilayer graphene having from 2 to 5 layers. Withdrawn
The method of claim 13, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 13, wherein the fluence is from 1x 10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 13, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 13, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 13, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 13, wherein the nanoparticles are silica coated metal nanoparticles. Withdrawn
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene -based material on a porous substrate, the graphene based material having from 1 to 10 graphene layers; and b) exposing the sheet of graphene-based material comprising multi-layer graphene to a particle beam comprising nanoparticles, the nanoparticles having energy of at least 2 keV per particle, thereby opening a plurality of pores extending through the multiple graphene sheets wherein the nanoparticles are collimated and provided at an incidence angle greater than 00 and less than or equal to 89 0 normal to the basal plane of the sheet of graphene-based material. Withdrawn
The method of claim 21, wherein the incidence angle is from 45 degrees to 70 degrees. Withdrawn
The method of claim 21, wherein each nanoparticle comprises a plurality of atoms and the energy is from 0.1 to 50 eV per atom. Withdrawn
The method of claim 21, wherein the fluence is from 1x10 8-1x10 12 NPs/cm 2. Withdrawn
The method of claim 21, wherein the nanoparticle size is from 2 nm to 50 nm. Withdrawn
The method of claim 21, wherein the nanoparticles are selected from the group consisting of metal nanoparticles, carbon nanoparticles, gas clusters and core shell nanoparticles. Withdrawn
The method of claim 21, wherein the nanoparticles comprise a metal selected from the group consisting of Al, Ag, Au, Ti, Cu and combinations thereof. Withdrawn
The method of claim 21, wherein the nanoparticles are silica coated metal nanoparticles Withdrawn
-31.. Canceled
Canceled
A method for perforating a sheet of graphene-based material, the method comprising the steps of: a) disposing a sheet of graphene-based material on track etched polyimide, the graphene-based material comprising two single layer graphene layers independently stacked; b) exposing the sheet of graphene-based material to a particle beam comprising nanoparticles, the nanoparticles having energy from 2 keV to 500 keV per nanoparticle, thereby opening a plurality of pores extending through the sheet of graphene-based material. Withdrawn
Materials described outside the worked examples.
graphene-based material (multi-layer graphene)
core shell nanoparticles
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 is a transmission electron microscopy image demonstrating perforation through two independently stacked layers of graphene by nanoparticles. Two layers …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 100–500000 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
An Integrated Constrained Gradient Descent (iCGD) Protocol to Correct Scan-Positional Errors for Electron Ptychography with High Accuracy and Precision
Imaging the electron charge density in monolayer MoS2 at the Ångstrom scale
silica coated metal nanoparticles
metal nanoparticles (Al, Ag, Au, Ti, Cu)
perforated graphene-based material
nanoparticles (metal, carbon, gas clusters, core shell)
track etched polyimide
graphene-based material
molybdenum sulfide
MoS₂
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
| — |
Thickness | 200–800 nm | — |
Thickness | 300–500 nm | — |
Duration | 2–8 hours | — |
Thickness | 150–300 nm | — |
— | 50–1000 eV | — |
Thickness | 0–70000000 nm | — |
Thickness | 1–100 nm | — |
Thickness | 0.3–10 nm | — |
Thickness | 0.3–5 nm | — |
Thickness | 0.3–3 nm | — |
Duration | 60–1200 seconds | — |
Thickness | 10–100 nm | — |
Pressure | 0–7 torr | — |
Pressure | 0.000001 torr | — |
Pressure | 0.0001 Torr | — |
Thickness | 10–12 nm | — |
Thickness | 7–10 nm | — |
Thickness | 10–15 nm | — |
Thickness | ≥ 1 µm | — |
Thickness | 2–50 nm | — |
— | 0.05–50 eV | — |
Thickness | 1–50 nm | — |
— | 0.1–50 eV | — |
Thickness | 1–25 nm | — |
Thickness | 2–25 nm | — |
Thickness | 2–10 nm | — |
Thickness | 3–30 nm | — |
Thickness | 10–50 nm | — |
Duration | 1–100 seconds | — |
Duration | 10–1000 seconds | — |
— | 100–1000 eV | — |
Temperature | 5 eV to 40k | — |
Thickness | 3–15 nm | — |
Thickness | 0.5–10 nm | — |
Thickness | 2–20 nm | — |
Thickness | 2–5 nm | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 10 seconds | — |
Thickness | ≤ 3 nm | — |
Thickness | ≤ 10 µm | — |
Pressure | ≤ 0.001 Torr | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 15 nm | — |
Thickness | ≥ 10 nm | — |
silica coated metal nanoparticles
metal nanoparticles (Al, Ag, Au, Ti, Cu)
perforated graphene-based material
nanoparticles (metal, carbon, gas clusters, core shell)
track etched polyimide
graphene-based material
molybdenum sulfide
MoS₂
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
| — |
Thickness | 200–800 nm | — |
Thickness | 300–500 nm | — |
Duration | 2–8 hours | — |
Thickness | 150–300 nm | — |
— | 50–1000 eV | — |
Thickness | 0–70000000 nm | — |
Thickness | 1–100 nm | — |
Thickness | 0.3–10 nm | — |
Thickness | 0.3–5 nm | — |
Thickness | 0.3–3 nm | — |
Duration | 60–1200 seconds | — |
Thickness | 10–100 nm | — |
Pressure | 0–7 torr | — |
Pressure | 0.000001 torr | — |
Pressure | 0.0001 Torr | — |
Thickness | 10–12 nm | — |
Thickness | 7–10 nm | — |
Thickness | 10–15 nm | — |
Thickness | ≥ 1 µm | — |
Thickness | 2–50 nm | — |
— | 0.05–50 eV | — |
Thickness | 1–50 nm | — |
— | 0.1–50 eV | — |
Thickness | 1–25 nm | — |
Thickness | 2–25 nm | — |
Thickness | 2–10 nm | — |
Thickness | 3–30 nm | — |
Thickness | 10–50 nm | — |
Duration | 1–100 seconds | — |
Duration | 10–1000 seconds | — |
— | 100–1000 eV | — |
Temperature | 5 eV to 40k | — |
Thickness | 3–15 nm | — |
Thickness | 0.5–10 nm | — |
Thickness | 2–20 nm | — |
Thickness | 2–5 nm | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 10 seconds | — |
Thickness | ≤ 3 nm | — |
Thickness | ≤ 10 µm | — |
Pressure | ≤ 0.001 Torr | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 15 nm | — |
Thickness | ≥ 10 nm | — |
silica coated metal nanoparticles
metal nanoparticles (Al, Ag, Au, Ti, Cu)
perforated graphene-based material
nanoparticles (metal, carbon, gas clusters, core shell)
track etched polyimide
graphene-based material
molybdenum sulfide
MoS₂
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
| — |
Thickness | 200–800 nm | — |
Thickness | 300–500 nm | — |
Duration | 2–8 hours | — |
Thickness | 150–300 nm | — |
— | 50–1000 eV | — |
Thickness | 0–70000000 nm | — |
Thickness | 1–100 nm | — |
Thickness | 0.3–10 nm | — |
Thickness | 0.3–5 nm | — |
Thickness | 0.3–3 nm | — |
Duration | 60–1200 seconds | — |
Thickness | 10–100 nm | — |
Pressure | 0–7 torr | — |
Pressure | 0.000001 torr | — |
Pressure | 0.0001 Torr | — |
Thickness | 10–12 nm | — |
Thickness | 7–10 nm | — |
Thickness | 10–15 nm | — |
Thickness | ≥ 1 µm | — |
Thickness | 2–50 nm | — |
— | 0.05–50 eV | — |
Thickness | 1–50 nm | — |
— | 0.1–50 eV | — |
Thickness | 1–25 nm | — |
Thickness | 2–25 nm | — |
Thickness | 2–10 nm | — |
Thickness | 3–30 nm | — |
Thickness | 10–50 nm | — |
Duration | 1–100 seconds | — |
Duration | 10–1000 seconds | — |
— | 100–1000 eV | — |
Temperature | 5 eV to 40k | — |
Thickness | 3–15 nm | — |
Thickness | 0.5–10 nm | — |
Thickness | 2–20 nm | — |
Thickness | 2–5 nm | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 10 seconds | — |
Thickness | ≤ 3 nm | — |
Thickness | ≤ 10 µm | — |
Pressure | ≤ 0.001 Torr | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 15 nm | — |
Thickness | ≥ 10 nm | — |
silica coated metal nanoparticles
metal nanoparticles (Al, Ag, Au, Ti, Cu)
perforated graphene-based material
nanoparticles (metal, carbon, gas clusters, core shell)
track etched polyimide
graphene-based material
molybdenum sulfide
MoS₂
FIG. 2 is a transmission electron microscopy image demonstrating perforation through bilayer graphene by nanoparticles. The CVD graphene was prepared then …
FIG. 3 is a transmission electron microscopy image of perforations through two stacked layers of graphene made by exposure to a particle beam comprising …
| — |
Thickness | 200–800 nm | — |
Thickness | 300–500 nm | — |
Duration | 2–8 hours | — |
Thickness | 150–300 nm | — |
— | 50–1000 eV | — |
Thickness | 0–70000000 nm | — |
Thickness | 1–100 nm | — |
Thickness | 0.3–10 nm | — |
Thickness | 0.3–5 nm | — |
Thickness | 0.3–3 nm | — |
Duration | 60–1200 seconds | — |
Thickness | 10–100 nm | — |
Pressure | 0–7 torr | — |
Pressure | 0.000001 torr | — |
Pressure | 0.0001 Torr | — |
Thickness | 10–12 nm | — |
Thickness | 7–10 nm | — |
Thickness | 10–15 nm | — |
Thickness | ≥ 1 µm | — |
Thickness | 2–50 nm | — |
— | 0.05–50 eV | — |
Thickness | 1–50 nm | — |
— | 0.1–50 eV | — |
Thickness | 1–25 nm | — |
Thickness | 2–25 nm | — |
Thickness | 2–10 nm | — |
Thickness | 3–30 nm | — |
Thickness | 10–50 nm | — |
Duration | 1–100 seconds | — |
Duration | 10–1000 seconds | — |
— | 100–1000 eV | — |
Temperature | 5 eV to 40k | — |
Thickness | 3–15 nm | — |
Thickness | 0.5–10 nm | — |
Thickness | 2–20 nm | — |
Thickness | 2–5 nm | — |
Thickness | ≤ 1 nm | — |
Duration | ≤ 10 seconds | — |
Thickness | ≤ 3 nm | — |
Thickness | ≤ 10 µm | — |
Pressure | ≤ 0.001 Torr | — |
Thickness | ≤ 5 nm | — |
Thickness | ≥ 15 nm | — |
Thickness | ≥ 10 nm | — |