Patent
US 9,527,744METHOD FOR MANUFACTURING REDUCED GRAPHENE OXIDE USING SOLID HYDRAZINE DERIVATIVE
Nam Hwi HUR
US
Copyright © 2026 Matter42. All rights reserved.
Patent
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US 9,527,744Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 3 shows an IR (infra-red spectroscopy) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a …
FIG. 4. [0084] Results of Elemental Analysis: SVG 14438000.08-18-2015.IEZWEOWYPXXIFW1.SPEC.8.svg 0.13 3.37 Black and white [0086] 2) Reduced graphene oxide …
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 7 shows TGA data of graphene oxide, reduced graphene oxide, and graphite in accordance with an example of the present disclosure. [0026]
FIG. 8 shows an I/V (current/voltage) curve of reduced graphene oxide in accordance with an example of the present disclosure. [0027]
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
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 preparing a reduced graphene oxide, comprising: reducing a graphene oxide using, as a reducing agent, a solid hydrazine derivative compound represented by the following Chemical Formula II or Chemical Formula III that is generated from a reaction between a hydrazine represented by the following Chemical Formula I or its derivative with carbon dioxide: [Chemical Formula I] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.1.svg 1.03 1.06 Black and white [Chemical Formula II] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.2.svg 1.1 1.44 Black and white [Chemical Formula III] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.3.svg 1.03 1.92 Black and white wherein in Chemical Formulas I, 11 and III, each of R 1 and R 2 is independently hydrogen; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic 27 hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to 30 carbons, an aromatic cyclic group of 6 to 30 carbons, and an aromatic heterocyclic group of 6 to 30 carbons; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, and an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P, or As.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed without using a solvent.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed by reacting the solid hydrazine derivative compound and the graphene oxide in a slurry state in the presence of a solvent including an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to carbons, an aromatic cyclic group of 6 to 30 carbons, an aromatic heterocyclic group of 6 to carbons, an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, 0, S, Se, N, P or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an alcohol of C 1 -C 12, and an ether of C 2 -C 1, or a mixed solvent thereof.
The method for preparing reduced graphene oxide of Claim 1, wherein a weight ratio of the solid hydrazine derivative with respect to the graphene oxide is 1: 0.1 to 5.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed in a pressured-vessel using a gas having a pressure of from 0.1 atm to 500 atm.
Materials described outside the worked examples.
graphene oxide
solid hydrazine derivative compound (Chemical Formula II)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.1–500 atm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
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US 9,527,744Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 3 shows an IR (infra-red spectroscopy) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a …
FIG. 4. [0084] Results of Elemental Analysis: SVG 14438000.08-18-2015.IEZWEOWYPXXIFW1.SPEC.8.svg 0.13 3.37 Black and white [0086] 2) Reduced graphene oxide …
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 7 shows TGA data of graphene oxide, reduced graphene oxide, and graphite in accordance with an example of the present disclosure. [0026]
FIG. 8 shows an I/V (current/voltage) curve of reduced graphene oxide in accordance with an example of the present disclosure. [0027]
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
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 preparing a reduced graphene oxide, comprising: reducing a graphene oxide using, as a reducing agent, a solid hydrazine derivative compound represented by the following Chemical Formula II or Chemical Formula III that is generated from a reaction between a hydrazine represented by the following Chemical Formula I or its derivative with carbon dioxide: [Chemical Formula I] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.1.svg 1.03 1.06 Black and white [Chemical Formula II] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.2.svg 1.1 1.44 Black and white [Chemical Formula III] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.3.svg 1.03 1.92 Black and white wherein in Chemical Formulas I, 11 and III, each of R 1 and R 2 is independently hydrogen; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic 27 hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to 30 carbons, an aromatic cyclic group of 6 to 30 carbons, and an aromatic heterocyclic group of 6 to 30 carbons; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, and an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P, or As.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed without using a solvent.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed by reacting the solid hydrazine derivative compound and the graphene oxide in a slurry state in the presence of a solvent including an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to carbons, an aromatic cyclic group of 6 to 30 carbons, an aromatic heterocyclic group of 6 to carbons, an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, 0, S, Se, N, P or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an alcohol of C 1 -C 12, and an ether of C 2 -C 1, or a mixed solvent thereof.
The method for preparing reduced graphene oxide of Claim 1, wherein a weight ratio of the solid hydrazine derivative with respect to the graphene oxide is 1: 0.1 to 5.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed in a pressured-vessel using a gas having a pressure of from 0.1 atm to 500 atm.
Materials described outside the worked examples.
graphene oxide
solid hydrazine derivative compound (Chemical Formula II)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.1–500 atm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,527,744Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 3 shows an IR (infra-red spectroscopy) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a …
FIG. 4. [0084] Results of Elemental Analysis: SVG 14438000.08-18-2015.IEZWEOWYPXXIFW1.SPEC.8.svg 0.13 3.37 Black and white [0086] 2) Reduced graphene oxide …
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 7 shows TGA data of graphene oxide, reduced graphene oxide, and graphite in accordance with an example of the present disclosure. [0026]
FIG. 8 shows an I/V (current/voltage) curve of reduced graphene oxide in accordance with an example of the present disclosure. [0027]
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
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 preparing a reduced graphene oxide, comprising: reducing a graphene oxide using, as a reducing agent, a solid hydrazine derivative compound represented by the following Chemical Formula II or Chemical Formula III that is generated from a reaction between a hydrazine represented by the following Chemical Formula I or its derivative with carbon dioxide: [Chemical Formula I] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.1.svg 1.03 1.06 Black and white [Chemical Formula II] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.2.svg 1.1 1.44 Black and white [Chemical Formula III] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.3.svg 1.03 1.92 Black and white wherein in Chemical Formulas I, 11 and III, each of R 1 and R 2 is independently hydrogen; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic 27 hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to 30 carbons, an aromatic cyclic group of 6 to 30 carbons, and an aromatic heterocyclic group of 6 to 30 carbons; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, and an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P, or As.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed without using a solvent.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed by reacting the solid hydrazine derivative compound and the graphene oxide in a slurry state in the presence of a solvent including an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to carbons, an aromatic cyclic group of 6 to 30 carbons, an aromatic heterocyclic group of 6 to carbons, an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, 0, S, Se, N, P or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an alcohol of C 1 -C 12, and an ether of C 2 -C 1, or a mixed solvent thereof.
The method for preparing reduced graphene oxide of Claim 1, wherein a weight ratio of the solid hydrazine derivative with respect to the graphene oxide is 1: 0.1 to 5.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed in a pressured-vessel using a gas having a pressure of from 0.1 atm to 500 atm.
Materials described outside the worked examples.
graphene oxide
solid hydrazine derivative compound (Chemical Formula II)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.1–500 atm | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,527,744Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 3 shows an IR (infra-red spectroscopy) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a …
FIG. 4. [0084] Results of Elemental Analysis: SVG 14438000.08-18-2015.IEZWEOWYPXXIFW1.SPEC.8.svg 0.13 3.37 Black and white [0086] 2) Reduced graphene oxide …
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 7 shows TGA data of graphene oxide, reduced graphene oxide, and graphite in accordance with an example of the present disclosure. [0026]
FIG. 8 shows an I/V (current/voltage) curve of reduced graphene oxide in accordance with an example of the present disclosure. [0027]
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
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 preparing a reduced graphene oxide, comprising: reducing a graphene oxide using, as a reducing agent, a solid hydrazine derivative compound represented by the following Chemical Formula II or Chemical Formula III that is generated from a reaction between a hydrazine represented by the following Chemical Formula I or its derivative with carbon dioxide: [Chemical Formula I] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.1.svg 1.03 1.06 Black and white [Chemical Formula II] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.2.svg 1.1 1.44 Black and white [Chemical Formula III] SVG 14438000.08-18-2015.IDHL₈GMBPXXIFW3.CLM.3.svg 1.03 1.92 Black and white wherein in Chemical Formulas I, 11 and III, each of R 1 and R 2 is independently hydrogen; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic 27 hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to 30 carbons, an aromatic cyclic group of 6 to 30 carbons, and an aromatic heterocyclic group of 6 to 30 carbons; or, a member selected from the group consisting of an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P, or As, and an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P, or As.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed without using a solvent.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed by reacting the solid hydrazine derivative compound and the graphene oxide in a slurry state in the presence of a solvent including an aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic hydrocarbon group of 1 to 30 carbons, a substitutable aliphatic cyclic group of 3 to 30 carbons, an aliphatic heterocyclic group of 3 to carbons, an aromatic cyclic group of 6 to 30 carbons, an aromatic heterocyclic group of 6 to carbons, an aliphatic hydrocarbon group of 1 to 30 carbons including at least one of Si, 0, S, Se, N, P or As, an aliphatic cyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aliphatic heterocyclic group of 3 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an aromatic heterocyclic group of 6 to 30 carbons including at least one of Si, O, S, Se, N, P or As, an alcohol of C 1 -C 12, and an ether of C 2 -C 1, or a mixed solvent thereof.
The method for preparing reduced graphene oxide of Claim 1, wherein a weight ratio of the solid hydrazine derivative with respect to the graphene oxide is 1: 0.1 to 5.
The method for preparing reduced graphene oxide of Claim 1, wherein the reducing the graphene oxide is performed in a pressured-vessel using a gas having a pressure of from 0.1 atm to 500 atm.
Materials described outside the worked examples.
graphene oxide
solid hydrazine derivative compound (Chemical Formula II)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1B shows an XRD (X-ray diffraction) spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0020]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Pressure | 0.1–500 atm | — |
Related documents with shared materials, methods, properties, or citations.
solid hydrazine derivative compound (Chemical Formula III)
reduced graphene oxide
hydrazine (Chemical Formula I)
NH₂NH₂
carbon dioxide
CO₂
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
solid hydrazine derivative compound (Chemical Formula III)
reduced graphene oxide
hydrazine (Chemical Formula I)
NH₂NH₂
carbon dioxide
CO₂
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
solid hydrazine derivative compound (Chemical Formula III)
reduced graphene oxide
hydrazine (Chemical Formula I)
NH₂NH₂
carbon dioxide
CO₂
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …
solid hydrazine derivative compound (Chemical Formula III)
reduced graphene oxide
hydrazine (Chemical Formula I)
NH₂NH₂
carbon dioxide
CO₂
FIG. 2 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0021]
FIG. 5 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0024]
FIG. 6 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 9 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0028]
FIG. 10 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0029]
FIG. 11 shows a Raman spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0030]
FIG. 12 shows an IR spectrum of reduced graphene oxide in accordance with an example of the present disclosure. Herein, a peak at a wave number of around 2300 …
FIG. 13 shows an XRD spectrum of reduced graphene oxide in accordance with an example of the present disclosure. [0032]
FIG. 14E shows an XRD spectrum of reduced graphene oxide prepared using 2-(2- hydroxyethyl)hydrazinium carboxylate in accordance with an example of the present …