Patent
US 8,835,686CONTROLLED ASSEMBLY OF CHARGED NANOPARTICLES USING FUNCTIONALIZED GRAPHENE NANOMESH
Ali Afzali-Ardakani
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 8,835,686Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating a negative trap, according to an embodiment of the present invention. By way of illustration,
FIG. 2 is a diagram illustrating a positive trap, according to an embodiment of the present invention. By way of illustration,
FIG. 3 is a diagram illustrating distribution of electronic charge in the vicinity of the nanopore edges for the case of a positive trap, according to an …
FIG. 4 is a diagram illustrating example nanoparticles, according to an embodiment of the present invention; 25
FIG. 5. Additionally, in accordance with an aspect of the invention, the binding energy per bond for a 1.1 nm platinum particle on graphene and on a GNM-NH₂ …
FIG. 6. Accordingly,
FIG. 7 is a flow diagram illustrating techniques for attracting charged nanoparticles using a graphene nanomesh, according to an embodiment of the present …
FIG. 8 is a diagram illustrating the chemistry flow of a positive trap formation, according to an embodiment of the present invention. By way of illustration, in
FIG. 9 is a diagram illustrating the chemistry flow of a negative trap, according to an embodiment of the present invention. 10 Detailed Description of …
FIG. 20 5 depicts the GNM-based system with the higher (that is, higher than in
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 attracting charged nanoparticles using a graphene nanomesh, comprising: creating a graphene nanomesh by generating multiple holes in graphene, wherein each of the multiple holes is of a size appropriate to a targeted charged nanoparticle; selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle; and electrostatically attracting the target charged nanoparticle to the oppositely charged ring to facilitate docking of the charged nanoparticle to the graphene nanomesh.
The method of claim 1, wherein the charged ring comprises a positively charged ring.
The method of claim 1, wherein the charged ring comprises a negatively charged ring.
The method of claim 1, further comprising: generating multiple rings in the graphene nanomesh, wherein the multiple rings include positively charged rings and negatively charged rings
The method of claim 1, wherein generating multiple holes leaves active carbon sites at edges of the multiple holes.
The method of claim 1, wherein generating multiple holes in graphene comprises generating multiple holes each of a size in a range of approximately 5-50 nanometers. 2 Attorney Docket No. YOR₉₂ 01 10677US 1 Confirmation No.: 1788
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes followed by a treatment with a base to form a ring of negative charge around a perimeter of each hole. original
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes with an acid to form a ring of positive charge around a perimeter of each hole.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with che m istry yielding a trap with an opposite charge to that of the targeted nanoparticle, wherein the charge is concentrated in an edge of the multiple holes to form docking positions for the targeted nanoparticle.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises controlling termination of one or more carbon dangling bonds.
canceled
A functionalized graphene nanomesh for attracting positively charged nanoparticles, comprising: a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted positively charged nanoparticle; and a negatively charged ring formed in each hole in the graphene nanomesh by selectively passivating the multiple holes followed by a treatment with a base.
The functionalized graphene nanomesh of claim 15, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 15, wherein the negatively charged rings form docking positions for the targeted positively charged nanoparticle.
A functionalized graphene nanomesh for attracting negatively charged nanoparticles, comprising: 4 Attorney Docket No. Y O R₉₂₀₁₁₀₆₇₇US 1 Confirmation No.: 1788 a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted negatively charged nanoparticle; and an amine functionalized graphene nanomesh rendered positively charged with treatment with an acid.
The functionalized graphene nanomesh of claim 18, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 18, wherein the positively charged rings form docking positions for the targeted negatively charged nanoparticle.
Layer stacks claimed or described, ordered top of device to substrate.
functionalized graphene nanomesh for nanoparticle docking
functionalized graphene nanomesh with negatively charged rings for attracting positively charged nanoparticles
amine functionalized graphene nanomesh for attracting negatively charged nanoparticles
Materials described outside the worked examples.
graphene nanomesh
charged nanoparticle
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–50 nm | — |
Patent
Atlas literature
Patent
US 8,835,686Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating a negative trap, according to an embodiment of the present invention. By way of illustration,
FIG. 2 is a diagram illustrating a positive trap, according to an embodiment of the present invention. By way of illustration,
FIG. 3 is a diagram illustrating distribution of electronic charge in the vicinity of the nanopore edges for the case of a positive trap, according to an …
FIG. 4 is a diagram illustrating example nanoparticles, according to an embodiment of the present invention; 25
FIG. 5. Additionally, in accordance with an aspect of the invention, the binding energy per bond for a 1.1 nm platinum particle on graphene and on a GNM-NH₂ …
FIG. 6. Accordingly,
FIG. 7 is a flow diagram illustrating techniques for attracting charged nanoparticles using a graphene nanomesh, according to an embodiment of the present …
FIG. 8 is a diagram illustrating the chemistry flow of a positive trap formation, according to an embodiment of the present invention. By way of illustration, in
FIG. 9 is a diagram illustrating the chemistry flow of a negative trap, according to an embodiment of the present invention. 10 Detailed Description of …
FIG. 20 5 depicts the GNM-based system with the higher (that is, higher than in
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 attracting charged nanoparticles using a graphene nanomesh, comprising: creating a graphene nanomesh by generating multiple holes in graphene, wherein each of the multiple holes is of a size appropriate to a targeted charged nanoparticle; selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle; and electrostatically attracting the target charged nanoparticle to the oppositely charged ring to facilitate docking of the charged nanoparticle to the graphene nanomesh.
The method of claim 1, wherein the charged ring comprises a positively charged ring.
The method of claim 1, wherein the charged ring comprises a negatively charged ring.
The method of claim 1, further comprising: generating multiple rings in the graphene nanomesh, wherein the multiple rings include positively charged rings and negatively charged rings
The method of claim 1, wherein generating multiple holes leaves active carbon sites at edges of the multiple holes.
The method of claim 1, wherein generating multiple holes in graphene comprises generating multiple holes each of a size in a range of approximately 5-50 nanometers. 2 Attorney Docket No. YOR₉₂ 01 10677US 1 Confirmation No.: 1788
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes followed by a treatment with a base to form a ring of negative charge around a perimeter of each hole. original
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes with an acid to form a ring of positive charge around a perimeter of each hole.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with che m istry yielding a trap with an opposite charge to that of the targeted nanoparticle, wherein the charge is concentrated in an edge of the multiple holes to form docking positions for the targeted nanoparticle.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises controlling termination of one or more carbon dangling bonds.
canceled
A functionalized graphene nanomesh for attracting positively charged nanoparticles, comprising: a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted positively charged nanoparticle; and a negatively charged ring formed in each hole in the graphene nanomesh by selectively passivating the multiple holes followed by a treatment with a base.
The functionalized graphene nanomesh of claim 15, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 15, wherein the negatively charged rings form docking positions for the targeted positively charged nanoparticle.
A functionalized graphene nanomesh for attracting negatively charged nanoparticles, comprising: 4 Attorney Docket No. Y O R₉₂₀₁₁₀₆₇₇US 1 Confirmation No.: 1788 a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted negatively charged nanoparticle; and an amine functionalized graphene nanomesh rendered positively charged with treatment with an acid.
The functionalized graphene nanomesh of claim 18, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 18, wherein the positively charged rings form docking positions for the targeted negatively charged nanoparticle.
Layer stacks claimed or described, ordered top of device to substrate.
functionalized graphene nanomesh for nanoparticle docking
functionalized graphene nanomesh with negatively charged rings for attracting positively charged nanoparticles
amine functionalized graphene nanomesh for attracting negatively charged nanoparticles
Materials described outside the worked examples.
graphene nanomesh
charged nanoparticle
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–50 nm | — |
Patent
Atlas literature
Patent
US 8,835,686Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating a negative trap, according to an embodiment of the present invention. By way of illustration,
FIG. 2 is a diagram illustrating a positive trap, according to an embodiment of the present invention. By way of illustration,
FIG. 3 is a diagram illustrating distribution of electronic charge in the vicinity of the nanopore edges for the case of a positive trap, according to an …
FIG. 4 is a diagram illustrating example nanoparticles, according to an embodiment of the present invention; 25
FIG. 5. Additionally, in accordance with an aspect of the invention, the binding energy per bond for a 1.1 nm platinum particle on graphene and on a GNM-NH₂ …
FIG. 6. Accordingly,
FIG. 7 is a flow diagram illustrating techniques for attracting charged nanoparticles using a graphene nanomesh, according to an embodiment of the present …
FIG. 8 is a diagram illustrating the chemistry flow of a positive trap formation, according to an embodiment of the present invention. By way of illustration, in
FIG. 9 is a diagram illustrating the chemistry flow of a negative trap, according to an embodiment of the present invention. 10 Detailed Description of …
FIG. 20 5 depicts the GNM-based system with the higher (that is, higher than in
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 attracting charged nanoparticles using a graphene nanomesh, comprising: creating a graphene nanomesh by generating multiple holes in graphene, wherein each of the multiple holes is of a size appropriate to a targeted charged nanoparticle; selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle; and electrostatically attracting the target charged nanoparticle to the oppositely charged ring to facilitate docking of the charged nanoparticle to the graphene nanomesh.
The method of claim 1, wherein the charged ring comprises a positively charged ring.
The method of claim 1, wherein the charged ring comprises a negatively charged ring.
The method of claim 1, further comprising: generating multiple rings in the graphene nanomesh, wherein the multiple rings include positively charged rings and negatively charged rings
The method of claim 1, wherein generating multiple holes leaves active carbon sites at edges of the multiple holes.
The method of claim 1, wherein generating multiple holes in graphene comprises generating multiple holes each of a size in a range of approximately 5-50 nanometers. 2 Attorney Docket No. YOR₉₂ 01 10677US 1 Confirmation No.: 1788
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes followed by a treatment with a base to form a ring of negative charge around a perimeter of each hole. original
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes with an acid to form a ring of positive charge around a perimeter of each hole.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with che m istry yielding a trap with an opposite charge to that of the targeted nanoparticle, wherein the charge is concentrated in an edge of the multiple holes to form docking positions for the targeted nanoparticle.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises controlling termination of one or more carbon dangling bonds.
canceled
A functionalized graphene nanomesh for attracting positively charged nanoparticles, comprising: a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted positively charged nanoparticle; and a negatively charged ring formed in each hole in the graphene nanomesh by selectively passivating the multiple holes followed by a treatment with a base.
The functionalized graphene nanomesh of claim 15, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 15, wherein the negatively charged rings form docking positions for the targeted positively charged nanoparticle.
A functionalized graphene nanomesh for attracting negatively charged nanoparticles, comprising: 4 Attorney Docket No. Y O R₉₂₀₁₁₀₆₇₇US 1 Confirmation No.: 1788 a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted negatively charged nanoparticle; and an amine functionalized graphene nanomesh rendered positively charged with treatment with an acid.
The functionalized graphene nanomesh of claim 18, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 18, wherein the positively charged rings form docking positions for the targeted negatively charged nanoparticle.
Layer stacks claimed or described, ordered top of device to substrate.
functionalized graphene nanomesh for nanoparticle docking
functionalized graphene nanomesh with negatively charged rings for attracting positively charged nanoparticles
amine functionalized graphene nanomesh for attracting negatively charged nanoparticles
Materials described outside the worked examples.
graphene nanomesh
charged nanoparticle
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–50 nm | — |
Patent
Atlas literature
Patent
US 8,835,686Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating a negative trap, according to an embodiment of the present invention. By way of illustration,
FIG. 2 is a diagram illustrating a positive trap, according to an embodiment of the present invention. By way of illustration,
FIG. 3 is a diagram illustrating distribution of electronic charge in the vicinity of the nanopore edges for the case of a positive trap, according to an …
FIG. 4 is a diagram illustrating example nanoparticles, according to an embodiment of the present invention; 25
FIG. 5. Additionally, in accordance with an aspect of the invention, the binding energy per bond for a 1.1 nm platinum particle on graphene and on a GNM-NH₂ …
FIG. 6. Accordingly,
FIG. 7 is a flow diagram illustrating techniques for attracting charged nanoparticles using a graphene nanomesh, according to an embodiment of the present …
FIG. 8 is a diagram illustrating the chemistry flow of a positive trap formation, according to an embodiment of the present invention. By way of illustration, in
FIG. 9 is a diagram illustrating the chemistry flow of a negative trap, according to an embodiment of the present invention. 10 Detailed Description of …
FIG. 20 5 depicts the GNM-based system with the higher (that is, higher than in
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 attracting charged nanoparticles using a graphene nanomesh, comprising: creating a graphene nanomesh by generating multiple holes in graphene, wherein each of the multiple holes is of a size appropriate to a targeted charged nanoparticle; selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle; and electrostatically attracting the target charged nanoparticle to the oppositely charged ring to facilitate docking of the charged nanoparticle to the graphene nanomesh.
The method of claim 1, wherein the charged ring comprises a positively charged ring.
The method of claim 1, wherein the charged ring comprises a negatively charged ring.
The method of claim 1, further comprising: generating multiple rings in the graphene nanomesh, wherein the multiple rings include positively charged rings and negatively charged rings
The method of claim 1, wherein generating multiple holes leaves active carbon sites at edges of the multiple holes.
The method of claim 1, wherein generating multiple holes in graphene comprises generating multiple holes each of a size in a range of approximately 5-50 nanometers. 2 Attorney Docket No. YOR₉₂ 01 10677US 1 Confirmation No.: 1788
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes followed by a treatment with a base to form a ring of negative charge around a perimeter of each hole. original
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises selectively passivating the multiple holes with an acid to form a ring of positive charge around a perimeter of each hole.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with che m istry yielding a trap with an opposite charge to that of the targeted nanoparticle, wherein the charge is concentrated in an edge of the multiple holes to form docking positions for the targeted nanoparticle.
The method of claim 1, wherein selectively passivating the multiple holes of the graphene nanomesh to form a charged ring in the graphene nanomesh by treating the graphene nanomesh with chemistry yielding a trap with an opposite charge to that of the targeted nanoparticle comprises controlling termination of one or more carbon dangling bonds.
canceled
A functionalized graphene nanomesh for attracting positively charged nanoparticles, comprising: a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted positively charged nanoparticle; and a negatively charged ring formed in each hole in the graphene nanomesh by selectively passivating the multiple holes followed by a treatment with a base.
The functionalized graphene nanomesh of claim 15, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 15, wherein the negatively charged rings form docking positions for the targeted positively charged nanoparticle.
A functionalized graphene nanomesh for attracting negatively charged nanoparticles, comprising: 4 Attorney Docket No. Y O R₉₂₀₁₁₀₆₇₇US 1 Confirmation No.: 1788 a graphene sheet with multiple holes generated thereon to form a graphene nanomesh, wherein each of the multiple holes is of a size appropriate to a targeted negatively charged nanoparticle; and an amine functionalized graphene nanomesh rendered positively charged with treatment with an acid.
The functionalized graphene nanomesh of claim 18, wherein each hole is of a size in a range of approximately 5-50 nanometers.
The functionalized graphene nanomesh of claim 18, wherein the positively charged rings form docking positions for the targeted negatively charged nanoparticle.
Layer stacks claimed or described, ordered top of device to substrate.
functionalized graphene nanomesh for nanoparticle docking
functionalized graphene nanomesh with negatively charged rings for attracting positively charged nanoparticles
amine functionalized graphene nanomesh for attracting negatively charged nanoparticles
Materials described outside the worked examples.
graphene nanomesh
charged nanoparticle
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–50 nm | — |
NH₂ group
NH₂
hydrogen halide (HX)
HX
alkyl halide
amine functionalized graphene nanomesh
NH₂ group
NH₂
hydrogen halide (HX)
HX
alkyl halide
amine functionalized graphene nanomesh
NH₂ group
NH₂
hydrogen halide (HX)
HX
alkyl halide
amine functionalized graphene nanomesh
NH₂ group
NH₂
hydrogen halide (HX)
HX
alkyl halide
amine functionalized graphene nanomesh