Patent
US 9,388,049METHOD OF PRODUCING GRAPHENE USING SURFACTANT
Hyoyoung LEE
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,388,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a photographic image showing a controlled sample of rGO (left) dispersed in water and an example of rGO (right) containing a binol salt produced in …
FIG. 2 is a photographic image showing results of a solubility test (1 mg/m L) for an example of rGO containing a binol salt as produced by sonication for 2 …
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 10 includes images showing (a) a contact angle (73 0) of rGO containing a binol salt produced in accordance with an example of a method producing …
FIG. 11 is a flow diagram illustrating an example of a method of preparing graphene. Throughout the drawings and the detailed description, unless otherwise …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing reduced graphene oxide, the method comprising: forming a graphene oxide-dispersed solution comprising graphene oxide and a surfactant that comprises at least two aromatic functional groups; reducing the graphene oxide-dispersed solution to obtain a layered structure of reduced graphene oxide comprising the at least two aromatic functional groups; and dispersing the layered structure of reduced graphene oxide in a solvent to produce a multilayered reduced graphene oxide.
The method of claim 1, wherein the at least two aromatic functional groups each comprise a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof.
The method of claim 1, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 1, wherein the reducing of the graphene oxide-dispersed solution is performed by adding a reducing agent to the graphene oxide-dispersed solution.
The method of claim 1, further comprising: after the dispersing of the layered structure of reduced graphene oxide in the solvent, washing and drying the layered structure of reduced graphene oxide by using an aqueous solvent, an organic solvent or a combination thereof.
A reduced graphene oxide produced by the method according to claim 1. withdrawn
A method of producing reduced graphene oxide, the method comprising: forming a reaction mixture comprising graphene oxide, a reducing agent and a surfactant comprising at least two aromatic functional groups in its molecular structure; reducing the graphene oxide dispersed in the reaction mixture to obtain reduced graphene oxide comprising the surfactant; removing the surfactant from the obtained reduced graphene oxide to obtain a multi-layered reduced graphene oxide.
The method of claim 9, wherein the surfactant comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof in its molecular structure.
The method of claim 9, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 9, wherein the reducing of the graphene oxide comprises adding a reducing agent to the reaction mixture and heating the reaction mixture to a temperature greater than 40 °C.
The method of claim 9, wherein the removing of the surfactant comprises dispersing a layered structure of reduced graphene oxide comprising the surfactant in an aqueous solvent, washing and drying the layered structure of reduced graphene oxide to remove the surfactant.
The method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A.
A multi-layered reduced graphene oxide produced according to the method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A. withdrawn
A reduced graphene oxide nanostructure comprising: a plurality of reduced graphene oxide sheets having an interlayer distance of 13 A or greater; and a surfactant layer disposed between the plurality of reduced graphene oxide sheets, the surfactant layer comprising an organic compound comprising an aromatic functional group and a polar functional group. withdrawn
The reduced graphene oxide nanostructure of claim 19, wherein the aromatic functional group comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof. 5 withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
reduced graphene oxide nanostructure
Materials described outside the worked examples.
graphene oxide
surfactant with aromatic functional groups
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average interlayer distance of layered rGO with surfactant (before surfactant removal) | 13–15 | layered reduced graphene oxide comprising surfactant |
average interlayer distance of multi-layered rGO (after surfactant removal) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,388,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a photographic image showing a controlled sample of rGO (left) dispersed in water and an example of rGO (right) containing a binol salt produced in …
FIG. 2 is a photographic image showing results of a solubility test (1 mg/m L) for an example of rGO containing a binol salt as produced by sonication for 2 …
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 10 includes images showing (a) a contact angle (73 0) of rGO containing a binol salt produced in accordance with an example of a method producing …
FIG. 11 is a flow diagram illustrating an example of a method of preparing graphene. Throughout the drawings and the detailed description, unless otherwise …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing reduced graphene oxide, the method comprising: forming a graphene oxide-dispersed solution comprising graphene oxide and a surfactant that comprises at least two aromatic functional groups; reducing the graphene oxide-dispersed solution to obtain a layered structure of reduced graphene oxide comprising the at least two aromatic functional groups; and dispersing the layered structure of reduced graphene oxide in a solvent to produce a multilayered reduced graphene oxide.
The method of claim 1, wherein the at least two aromatic functional groups each comprise a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof.
The method of claim 1, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 1, wherein the reducing of the graphene oxide-dispersed solution is performed by adding a reducing agent to the graphene oxide-dispersed solution.
The method of claim 1, further comprising: after the dispersing of the layered structure of reduced graphene oxide in the solvent, washing and drying the layered structure of reduced graphene oxide by using an aqueous solvent, an organic solvent or a combination thereof.
A reduced graphene oxide produced by the method according to claim 1. withdrawn
A method of producing reduced graphene oxide, the method comprising: forming a reaction mixture comprising graphene oxide, a reducing agent and a surfactant comprising at least two aromatic functional groups in its molecular structure; reducing the graphene oxide dispersed in the reaction mixture to obtain reduced graphene oxide comprising the surfactant; removing the surfactant from the obtained reduced graphene oxide to obtain a multi-layered reduced graphene oxide.
The method of claim 9, wherein the surfactant comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof in its molecular structure.
The method of claim 9, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 9, wherein the reducing of the graphene oxide comprises adding a reducing agent to the reaction mixture and heating the reaction mixture to a temperature greater than 40 °C.
The method of claim 9, wherein the removing of the surfactant comprises dispersing a layered structure of reduced graphene oxide comprising the surfactant in an aqueous solvent, washing and drying the layered structure of reduced graphene oxide to remove the surfactant.
The method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A.
A multi-layered reduced graphene oxide produced according to the method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A. withdrawn
A reduced graphene oxide nanostructure comprising: a plurality of reduced graphene oxide sheets having an interlayer distance of 13 A or greater; and a surfactant layer disposed between the plurality of reduced graphene oxide sheets, the surfactant layer comprising an organic compound comprising an aromatic functional group and a polar functional group. withdrawn
The reduced graphene oxide nanostructure of claim 19, wherein the aromatic functional group comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof. 5 withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
reduced graphene oxide nanostructure
Materials described outside the worked examples.
graphene oxide
surfactant with aromatic functional groups
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average interlayer distance of layered rGO with surfactant (before surfactant removal) | 13–15 | layered reduced graphene oxide comprising surfactant |
average interlayer distance of multi-layered rGO (after surfactant removal) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,388,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a photographic image showing a controlled sample of rGO (left) dispersed in water and an example of rGO (right) containing a binol salt produced in …
FIG. 2 is a photographic image showing results of a solubility test (1 mg/m L) for an example of rGO containing a binol salt as produced by sonication for 2 …
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 10 includes images showing (a) a contact angle (73 0) of rGO containing a binol salt produced in accordance with an example of a method producing …
FIG. 11 is a flow diagram illustrating an example of a method of preparing graphene. Throughout the drawings and the detailed description, unless otherwise …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing reduced graphene oxide, the method comprising: forming a graphene oxide-dispersed solution comprising graphene oxide and a surfactant that comprises at least two aromatic functional groups; reducing the graphene oxide-dispersed solution to obtain a layered structure of reduced graphene oxide comprising the at least two aromatic functional groups; and dispersing the layered structure of reduced graphene oxide in a solvent to produce a multilayered reduced graphene oxide.
The method of claim 1, wherein the at least two aromatic functional groups each comprise a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof.
The method of claim 1, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 1, wherein the reducing of the graphene oxide-dispersed solution is performed by adding a reducing agent to the graphene oxide-dispersed solution.
The method of claim 1, further comprising: after the dispersing of the layered structure of reduced graphene oxide in the solvent, washing and drying the layered structure of reduced graphene oxide by using an aqueous solvent, an organic solvent or a combination thereof.
A reduced graphene oxide produced by the method according to claim 1. withdrawn
A method of producing reduced graphene oxide, the method comprising: forming a reaction mixture comprising graphene oxide, a reducing agent and a surfactant comprising at least two aromatic functional groups in its molecular structure; reducing the graphene oxide dispersed in the reaction mixture to obtain reduced graphene oxide comprising the surfactant; removing the surfactant from the obtained reduced graphene oxide to obtain a multi-layered reduced graphene oxide.
The method of claim 9, wherein the surfactant comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof in its molecular structure.
The method of claim 9, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 9, wherein the reducing of the graphene oxide comprises adding a reducing agent to the reaction mixture and heating the reaction mixture to a temperature greater than 40 °C.
The method of claim 9, wherein the removing of the surfactant comprises dispersing a layered structure of reduced graphene oxide comprising the surfactant in an aqueous solvent, washing and drying the layered structure of reduced graphene oxide to remove the surfactant.
The method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A.
A multi-layered reduced graphene oxide produced according to the method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A. withdrawn
A reduced graphene oxide nanostructure comprising: a plurality of reduced graphene oxide sheets having an interlayer distance of 13 A or greater; and a surfactant layer disposed between the plurality of reduced graphene oxide sheets, the surfactant layer comprising an organic compound comprising an aromatic functional group and a polar functional group. withdrawn
The reduced graphene oxide nanostructure of claim 19, wherein the aromatic functional group comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof. 5 withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
reduced graphene oxide nanostructure
Materials described outside the worked examples.
graphene oxide
surfactant with aromatic functional groups
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average interlayer distance of layered rGO with surfactant (before surfactant removal) | 13–15 | layered reduced graphene oxide comprising surfactant |
average interlayer distance of multi-layered rGO (after surfactant removal) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,388,049Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a photographic image showing a controlled sample of rGO (left) dispersed in water and an example of rGO (right) containing a binol salt produced in …
FIG. 2 is a photographic image showing results of a solubility test (1 mg/m L) for an example of rGO containing a binol salt as produced by sonication for 2 …
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 10 includes images showing (a) a contact angle (73 0) of rGO containing a binol salt produced in accordance with an example of a method producing …
FIG. 11 is a flow diagram illustrating an example of a method of preparing graphene. Throughout the drawings and the detailed description, unless otherwise …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing reduced graphene oxide, the method comprising: forming a graphene oxide-dispersed solution comprising graphene oxide and a surfactant that comprises at least two aromatic functional groups; reducing the graphene oxide-dispersed solution to obtain a layered structure of reduced graphene oxide comprising the at least two aromatic functional groups; and dispersing the layered structure of reduced graphene oxide in a solvent to produce a multilayered reduced graphene oxide.
The method of claim 1, wherein the at least two aromatic functional groups each comprise a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof.
The method of claim 1, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 1, wherein the reducing of the graphene oxide-dispersed solution is performed by adding a reducing agent to the graphene oxide-dispersed solution.
The method of claim 1, further comprising: after the dispersing of the layered structure of reduced graphene oxide in the solvent, washing and drying the layered structure of reduced graphene oxide by using an aqueous solvent, an organic solvent or a combination thereof.
A reduced graphene oxide produced by the method according to claim 1. withdrawn
A method of producing reduced graphene oxide, the method comprising: forming a reaction mixture comprising graphene oxide, a reducing agent and a surfactant comprising at least two aromatic functional groups in its molecular structure; reducing the graphene oxide dispersed in the reaction mixture to obtain reduced graphene oxide comprising the surfactant; removing the surfactant from the obtained reduced graphene oxide to obtain a multi-layered reduced graphene oxide.
The method of claim 9, wherein the surfactant comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof in its molecular structure.
The method of claim 9, wherein the surfactant comprises a 1,1'-bi-2-naphthol, a binol salt or a binol derivative.
The method of claim 9, wherein the reducing of the graphene oxide comprises adding a reducing agent to the reaction mixture and heating the reaction mixture to a temperature greater than 40 °C.
The method of claim 9, wherein the removing of the surfactant comprises dispersing a layered structure of reduced graphene oxide comprising the surfactant in an aqueous solvent, washing and drying the layered structure of reduced graphene oxide to remove the surfactant.
The method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A.
A multi-layered reduced graphene oxide produced according to the method of claim 9, wherein the multi-layered reduced graphene oxide has a C/O ratio of 13 or greater and an average interlayer distance between 3 to 4 A. withdrawn
A reduced graphene oxide nanostructure comprising: a plurality of reduced graphene oxide sheets having an interlayer distance of 13 A or greater; and a surfactant layer disposed between the plurality of reduced graphene oxide sheets, the surfactant layer comprising an organic compound comprising an aromatic functional group and a polar functional group. withdrawn
The reduced graphene oxide nanostructure of claim 19, wherein the aromatic functional group comprises a member selected from the group consisting of a naphthyl group, an anthracenyl group, a pyrenyl group, a tetrahydropyrenyl group and combinations thereof. 5 withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
reduced graphene oxide nanostructure
Materials described outside the worked examples.
graphene oxide
surfactant with aromatic functional groups
reduced graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 3B is a C 1 s XPS spectrum of rGO containing a binol salt produced in accordance with an example of a method of producing graphene.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
average interlayer distance of layered rGO with surfactant (before surfactant removal) | 13–15 | layered reduced graphene oxide comprising surfactant |
average interlayer distance of multi-layered rGO (after surfactant removal) |
Related documents with shared materials, methods, properties, or citations.
1,1'-bi-2-naphthol (BINOL)
reducing agent
layered reduced graphene oxide comprising surfactant
multi-layered reduced graphene oxide
organic compound with aromatic and polar functional groups
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
multi-layered reduced graphene oxide |
C/O ratio of multi-layered reduced graphene oxide | ≥ 13 | multi-layered reduced graphene oxide |
interlayer distance of rGO nanostructure sheets with surfactant layer | ≥ 13 | layered reduced graphene oxide comprising surfactant |
— | 285.7–286 eV | — |
Thickness | 2.4–30 nm | — |
Duration | 15–20 minutes | — |
Duration | 20–60 minutes | — |
Temperature | ≥ 40 °C | — |
1,1'-bi-2-naphthol (BINOL)
reducing agent
layered reduced graphene oxide comprising surfactant
multi-layered reduced graphene oxide
organic compound with aromatic and polar functional groups
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
multi-layered reduced graphene oxide |
C/O ratio of multi-layered reduced graphene oxide | ≥ 13 | multi-layered reduced graphene oxide |
interlayer distance of rGO nanostructure sheets with surfactant layer | ≥ 13 | layered reduced graphene oxide comprising surfactant |
— | 285.7–286 eV | — |
Thickness | 2.4–30 nm | — |
Duration | 15–20 minutes | — |
Duration | 20–60 minutes | — |
Temperature | ≥ 40 °C | — |
1,1'-bi-2-naphthol (BINOL)
reducing agent
layered reduced graphene oxide comprising surfactant
multi-layered reduced graphene oxide
organic compound with aromatic and polar functional groups
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
multi-layered reduced graphene oxide |
C/O ratio of multi-layered reduced graphene oxide | ≥ 13 | multi-layered reduced graphene oxide |
interlayer distance of rGO nanostructure sheets with surfactant layer | ≥ 13 | layered reduced graphene oxide comprising surfactant |
— | 285.7–286 eV | — |
Thickness | 2.4–30 nm | — |
Duration | 15–20 minutes | — |
Duration | 20–60 minutes | — |
Temperature | ≥ 40 °C | — |
1,1'-bi-2-naphthol (BINOL)
reducing agent
layered reduced graphene oxide comprising surfactant
multi-layered reduced graphene oxide
organic compound with aromatic and polar functional groups
FIG. 4 is a high-resolution C 1 s XPS spectrum of a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 5A is a graph illustrating powder XRD patterns of rGO (dotted line) containing a binol 10 salt and rGO (solid line) in accordance with an example of a …
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 6 is a graph illustrating XRD patterns of GO in accordance with an example embodiment, rGO as a controlled sample, and graphite. 15
FIG. 7 is a graph illustrating TGA plots for GO (solid line) produced in accordance with an example of a method producing graphene, a binol salt (first dotted …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 8 is a graph illustrating a UV-vis spectrum of rGO (0.04 mg/m L) containing a binol salt 20 and a binol salt (0.025 mg/m L), which were produced in …
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
FIG. 9B is an AFM image of rGO (thickness: 1.2 nm) containing a binol salt produced in accordance with an example of a method of producing graphene.
multi-layered reduced graphene oxide |
C/O ratio of multi-layered reduced graphene oxide | ≥ 13 | multi-layered reduced graphene oxide |
interlayer distance of rGO nanostructure sheets with surfactant layer | ≥ 13 | layered reduced graphene oxide comprising surfactant |
— | 285.7–286 eV | — |
Thickness | 2.4–30 nm | — |
Duration | 15–20 minutes | — |
Duration | 20–60 minutes | — |
Temperature | ≥ 40 °C | — |