Patent
US 10,106,417METHOD OF MANUFACTURING GRAPHENE USING DOPED CARBON MATERIALS
Sang Ouk KIM
US
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US 10,106,417Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating an unzipping phenomenon of multi-walled carbon nanotube doped with nitrogen according to an exemplary embodiment of the …
FIG. 2 is a diagram illustrating each step of the unzipping phenomenon of the multi- walled carbon nanotube doped with nitrogen according to the exemplary …
FIG. 3 is a diagram illustrating, in a structural formula, the unzipping phenomenon of the multi-walled carbon nanotube doped with nitrogen according to the …
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 12 is a diagram illustrating impedance phase angles depending on a frequency of the capacitor manufactured according to the exemplary embodiment of the …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
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 manufacturing graphene comprising: i) depositin g a metal catalyst on a substrate; ii) after step i), g rowin g! doped carbon materials on the metal catalyst; iii) after step ii), etchin g the substrate with an etchant to separate the doped carbon materials; iv) after step iii), transferrin g the doped carbon materials to an electrode and then heat-treatin g the electrode to attach the doped carbon materials to the electrode; and v) after step iv), puttin g the electrode, to which the doped carbon materials are attached, in an electrolyte includin g an oxidizer and applyin g a volta g e to the electrode to perform an oxidation reaction, wherein the g raphene has an ed g e formed with carbonyl and satisfies the followin g Formulas 2 to 5 i n C l s spectrum obtained by an X-ra y photoelectron spectroscopy (XPS): [Formula 21 0.01 X₂/X₁ 0.15 Docket No. PLS₁₆₃₃₇ [Formula 31 0.01 X₃/X i 0.2 [Formula 41 0.01 X₄/X i 0.1 [Formula 51 0.5 X₃/X₂ 1, 000 wherein X 1 represents a peak area of carbon-carbon double bondin g, X₂ represents a peak area of carbon-oxy g en sin g le bondin g, X₃ represents a peak area of carbon-oxy g en double bondin g, and X₄ represents a peak area of a carboxyl. Currently amended
The method of claim 1 [[5]], wherein the oxidizer is at least any one or two selected from sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts thereof, and an aqueous solution thereof. Currently amended
The method of claim 1 [[5]], wherein the voltage ranges from 0.01 to 5.0 V. Currently amended
The method of claim 1 [[2]], wherein the method further includes: Docket No. PLS₁₆₃₃₇ [[c]] vi) applying a physical external stimulus to the oxidized carbon materials after step v). Currently amended
The method of claim 1, wherein the doped carbon materials are doped with a hetero atom of at least any one selected from nitrogen, phosphorus, arsenic, antimony, bismuth, boron, aluminum, gallium, indium, and thallium. Currently amended
The method of claim 1, wherein the doped carbon materials are at least any one or two selected from single-walled carbon nanotube, double-walled carbon nanotube, triple-walled carbon nanotube, multi-walled carbon nanotube, and superfine carbon nanotube. Original
The method of claim 1, wherein the substrate is made of silicon or silicon dioxide. Docket No. PLS₁₆₃₃₇ New
2-5. Canceled
Canceled
Canceled
12-13. Canceled
Canceled
A graphene manufactured by unzipping doped carbon materials by an external stimulus and having an edge formed with carbonyl. Withdrawn
The graphene of claim 19, wherein the graphene satisfies the following Formulas 2 to 5 in C 1 s spectrum obtained by an X-ray photoelectron spectroscopy (XPS). [Formula 2] 0.01 X 2/X 1 0.15 [Formula 3] 0.01 X 3/X 1 0.2 [Formula 4] 0.01 X 4/X 1 0.1 [Formula 5] 0.5 X 3/X 2 1,000 (In the above Formulas 2 to 5, X 1 represents a peak area of carbon-carbon double bonding, X 2 represents a peak area of carbon-oxygen single bonding, X 3 represents a peak area of carbon-oxygen double bonding, and X 4 represents a peak area of a carboxyl.) Withdrawn
Materials described outside the worked examples.
graphene with carbonyl edge
doped carbon materials
carbon nanotube (single-walled, double-walled, triple-walled, multi-walled, superfine)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
X2/X1 (C-O single bond/C=C) in C1s XPS | 0.01–0.15 | graphene with carbonyl edge |
X3/X1 (C=O/C=C) in C1s XPS | 0.01–0.2 |
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US 10,106,417Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating an unzipping phenomenon of multi-walled carbon nanotube doped with nitrogen according to an exemplary embodiment of the …
FIG. 2 is a diagram illustrating each step of the unzipping phenomenon of the multi- walled carbon nanotube doped with nitrogen according to the exemplary …
FIG. 3 is a diagram illustrating, in a structural formula, the unzipping phenomenon of the multi-walled carbon nanotube doped with nitrogen according to the …
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 12 is a diagram illustrating impedance phase angles depending on a frequency of the capacitor manufactured according to the exemplary embodiment of the …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
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 manufacturing graphene comprising: i) depositin g a metal catalyst on a substrate; ii) after step i), g rowin g! doped carbon materials on the metal catalyst; iii) after step ii), etchin g the substrate with an etchant to separate the doped carbon materials; iv) after step iii), transferrin g the doped carbon materials to an electrode and then heat-treatin g the electrode to attach the doped carbon materials to the electrode; and v) after step iv), puttin g the electrode, to which the doped carbon materials are attached, in an electrolyte includin g an oxidizer and applyin g a volta g e to the electrode to perform an oxidation reaction, wherein the g raphene has an ed g e formed with carbonyl and satisfies the followin g Formulas 2 to 5 i n C l s spectrum obtained by an X-ra y photoelectron spectroscopy (XPS): [Formula 21 0.01 X₂/X₁ 0.15 Docket No. PLS₁₆₃₃₇ [Formula 31 0.01 X₃/X i 0.2 [Formula 41 0.01 X₄/X i 0.1 [Formula 51 0.5 X₃/X₂ 1, 000 wherein X 1 represents a peak area of carbon-carbon double bondin g, X₂ represents a peak area of carbon-oxy g en sin g le bondin g, X₃ represents a peak area of carbon-oxy g en double bondin g, and X₄ represents a peak area of a carboxyl. Currently amended
The method of claim 1 [[5]], wherein the oxidizer is at least any one or two selected from sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts thereof, and an aqueous solution thereof. Currently amended
The method of claim 1 [[5]], wherein the voltage ranges from 0.01 to 5.0 V. Currently amended
The method of claim 1 [[2]], wherein the method further includes: Docket No. PLS₁₆₃₃₇ [[c]] vi) applying a physical external stimulus to the oxidized carbon materials after step v). Currently amended
The method of claim 1, wherein the doped carbon materials are doped with a hetero atom of at least any one selected from nitrogen, phosphorus, arsenic, antimony, bismuth, boron, aluminum, gallium, indium, and thallium. Currently amended
The method of claim 1, wherein the doped carbon materials are at least any one or two selected from single-walled carbon nanotube, double-walled carbon nanotube, triple-walled carbon nanotube, multi-walled carbon nanotube, and superfine carbon nanotube. Original
The method of claim 1, wherein the substrate is made of silicon or silicon dioxide. Docket No. PLS₁₆₃₃₇ New
2-5. Canceled
Canceled
Canceled
12-13. Canceled
Canceled
A graphene manufactured by unzipping doped carbon materials by an external stimulus and having an edge formed with carbonyl. Withdrawn
The graphene of claim 19, wherein the graphene satisfies the following Formulas 2 to 5 in C 1 s spectrum obtained by an X-ray photoelectron spectroscopy (XPS). [Formula 2] 0.01 X 2/X 1 0.15 [Formula 3] 0.01 X 3/X 1 0.2 [Formula 4] 0.01 X 4/X 1 0.1 [Formula 5] 0.5 X 3/X 2 1,000 (In the above Formulas 2 to 5, X 1 represents a peak area of carbon-carbon double bonding, X 2 represents a peak area of carbon-oxygen single bonding, X 3 represents a peak area of carbon-oxygen double bonding, and X 4 represents a peak area of a carboxyl.) Withdrawn
Materials described outside the worked examples.
graphene with carbonyl edge
doped carbon materials
carbon nanotube (single-walled, double-walled, triple-walled, multi-walled, superfine)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
X2/X1 (C-O single bond/C=C) in C1s XPS | 0.01–0.15 | graphene with carbonyl edge |
X3/X1 (C=O/C=C) in C1s XPS | 0.01–0.2 |
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Patent
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US 10,106,417Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating an unzipping phenomenon of multi-walled carbon nanotube doped with nitrogen according to an exemplary embodiment of the …
FIG. 2 is a diagram illustrating each step of the unzipping phenomenon of the multi- walled carbon nanotube doped with nitrogen according to the exemplary …
FIG. 3 is a diagram illustrating, in a structural formula, the unzipping phenomenon of the multi-walled carbon nanotube doped with nitrogen according to the …
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 12 is a diagram illustrating impedance phase angles depending on a frequency of the capacitor manufactured according to the exemplary embodiment of the …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
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 manufacturing graphene comprising: i) depositin g a metal catalyst on a substrate; ii) after step i), g rowin g! doped carbon materials on the metal catalyst; iii) after step ii), etchin g the substrate with an etchant to separate the doped carbon materials; iv) after step iii), transferrin g the doped carbon materials to an electrode and then heat-treatin g the electrode to attach the doped carbon materials to the electrode; and v) after step iv), puttin g the electrode, to which the doped carbon materials are attached, in an electrolyte includin g an oxidizer and applyin g a volta g e to the electrode to perform an oxidation reaction, wherein the g raphene has an ed g e formed with carbonyl and satisfies the followin g Formulas 2 to 5 i n C l s spectrum obtained by an X-ra y photoelectron spectroscopy (XPS): [Formula 21 0.01 X₂/X₁ 0.15 Docket No. PLS₁₆₃₃₇ [Formula 31 0.01 X₃/X i 0.2 [Formula 41 0.01 X₄/X i 0.1 [Formula 51 0.5 X₃/X₂ 1, 000 wherein X 1 represents a peak area of carbon-carbon double bondin g, X₂ represents a peak area of carbon-oxy g en sin g le bondin g, X₃ represents a peak area of carbon-oxy g en double bondin g, and X₄ represents a peak area of a carboxyl. Currently amended
The method of claim 1 [[5]], wherein the oxidizer is at least any one or two selected from sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts thereof, and an aqueous solution thereof. Currently amended
The method of claim 1 [[5]], wherein the voltage ranges from 0.01 to 5.0 V. Currently amended
The method of claim 1 [[2]], wherein the method further includes: Docket No. PLS₁₆₃₃₇ [[c]] vi) applying a physical external stimulus to the oxidized carbon materials after step v). Currently amended
The method of claim 1, wherein the doped carbon materials are doped with a hetero atom of at least any one selected from nitrogen, phosphorus, arsenic, antimony, bismuth, boron, aluminum, gallium, indium, and thallium. Currently amended
The method of claim 1, wherein the doped carbon materials are at least any one or two selected from single-walled carbon nanotube, double-walled carbon nanotube, triple-walled carbon nanotube, multi-walled carbon nanotube, and superfine carbon nanotube. Original
The method of claim 1, wherein the substrate is made of silicon or silicon dioxide. Docket No. PLS₁₆₃₃₇ New
2-5. Canceled
Canceled
Canceled
12-13. Canceled
Canceled
A graphene manufactured by unzipping doped carbon materials by an external stimulus and having an edge formed with carbonyl. Withdrawn
The graphene of claim 19, wherein the graphene satisfies the following Formulas 2 to 5 in C 1 s spectrum obtained by an X-ray photoelectron spectroscopy (XPS). [Formula 2] 0.01 X 2/X 1 0.15 [Formula 3] 0.01 X 3/X 1 0.2 [Formula 4] 0.01 X 4/X 1 0.1 [Formula 5] 0.5 X 3/X 2 1,000 (In the above Formulas 2 to 5, X 1 represents a peak area of carbon-carbon double bonding, X 2 represents a peak area of carbon-oxygen single bonding, X 3 represents a peak area of carbon-oxygen double bonding, and X 4 represents a peak area of a carboxyl.) Withdrawn
Materials described outside the worked examples.
graphene with carbonyl edge
doped carbon materials
carbon nanotube (single-walled, double-walled, triple-walled, multi-walled, superfine)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
X2/X1 (C-O single bond/C=C) in C1s XPS | 0.01–0.15 | graphene with carbonyl edge |
X3/X1 (C=O/C=C) in C1s XPS | 0.01–0.2 |
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US 10,106,417Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram illustrating an unzipping phenomenon of multi-walled carbon nanotube doped with nitrogen according to an exemplary embodiment of the …
FIG. 2 is a diagram illustrating each step of the unzipping phenomenon of the multi- walled carbon nanotube doped with nitrogen according to the exemplary …
FIG. 3 is a diagram illustrating, in a structural formula, the unzipping phenomenon of the multi-walled carbon nanotube doped with nitrogen according to the …
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 12 is a diagram illustrating impedance phase angles depending on a frequency of the capacitor manufactured according to the exemplary embodiment of the …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
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 manufacturing graphene comprising: i) depositin g a metal catalyst on a substrate; ii) after step i), g rowin g! doped carbon materials on the metal catalyst; iii) after step ii), etchin g the substrate with an etchant to separate the doped carbon materials; iv) after step iii), transferrin g the doped carbon materials to an electrode and then heat-treatin g the electrode to attach the doped carbon materials to the electrode; and v) after step iv), puttin g the electrode, to which the doped carbon materials are attached, in an electrolyte includin g an oxidizer and applyin g a volta g e to the electrode to perform an oxidation reaction, wherein the g raphene has an ed g e formed with carbonyl and satisfies the followin g Formulas 2 to 5 i n C l s spectrum obtained by an X-ra y photoelectron spectroscopy (XPS): [Formula 21 0.01 X₂/X₁ 0.15 Docket No. PLS₁₆₃₃₇ [Formula 31 0.01 X₃/X i 0.2 [Formula 41 0.01 X₄/X i 0.1 [Formula 51 0.5 X₃/X₂ 1, 000 wherein X 1 represents a peak area of carbon-carbon double bondin g, X₂ represents a peak area of carbon-oxy g en sin g le bondin g, X₃ represents a peak area of carbon-oxy g en double bondin g, and X₄ represents a peak area of a carboxyl. Currently amended
The method of claim 1 [[5]], wherein the oxidizer is at least any one or two selected from sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts thereof, and an aqueous solution thereof. Currently amended
The method of claim 1 [[5]], wherein the voltage ranges from 0.01 to 5.0 V. Currently amended
The method of claim 1 [[2]], wherein the method further includes: Docket No. PLS₁₆₃₃₇ [[c]] vi) applying a physical external stimulus to the oxidized carbon materials after step v). Currently amended
The method of claim 1, wherein the doped carbon materials are doped with a hetero atom of at least any one selected from nitrogen, phosphorus, arsenic, antimony, bismuth, boron, aluminum, gallium, indium, and thallium. Currently amended
The method of claim 1, wherein the doped carbon materials are at least any one or two selected from single-walled carbon nanotube, double-walled carbon nanotube, triple-walled carbon nanotube, multi-walled carbon nanotube, and superfine carbon nanotube. Original
The method of claim 1, wherein the substrate is made of silicon or silicon dioxide. Docket No. PLS₁₆₃₃₇ New
2-5. Canceled
Canceled
Canceled
12-13. Canceled
Canceled
A graphene manufactured by unzipping doped carbon materials by an external stimulus and having an edge formed with carbonyl. Withdrawn
The graphene of claim 19, wherein the graphene satisfies the following Formulas 2 to 5 in C 1 s spectrum obtained by an X-ray photoelectron spectroscopy (XPS). [Formula 2] 0.01 X 2/X 1 0.15 [Formula 3] 0.01 X 3/X 1 0.2 [Formula 4] 0.01 X 4/X 1 0.1 [Formula 5] 0.5 X 3/X 2 1,000 (In the above Formulas 2 to 5, X 1 represents a peak area of carbon-carbon double bonding, X 2 represents a peak area of carbon-oxygen single bonding, X 3 represents a peak area of carbon-oxygen double bonding, and X 4 represents a peak area of a carboxyl.) Withdrawn
Materials described outside the worked examples.
graphene with carbonyl edge
doped carbon materials
carbon nanotube (single-walled, double-walled, triple-walled, multi-walled, superfine)
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 4A and 4B are diagrams illustrating spectrum measured by X-ray photoelectron spectroscopy before and after the unzipping phenomenon of the multi-walled …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
X2/X1 (C-O single bond/C=C) in C1s XPS | 0.01–0.15 | graphene with carbonyl edge |
X3/X1 (C=O/C=C) in C1s XPS | 0.01–0.2 |
Related documents with shared materials, methods, properties, or citations.
oxidizer (sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts or aqueous solutions thereof)
sulfuric acid or sulfuric acid solution
H₂SO₄
silicon or silicon dioxide substrate
metal catalyst
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
X4/X1 (carboxyl/C=C) in C1s XPS | 0.01–0.1 | graphene with carbonyl edge |
X3/X2 (C=O/C-O single bond) in C1s XPS | 0.5–1000 | graphene with carbonyl edge |
— | 10–50 W | — |
— | 5–50 W | — |
Duration | 600–21600 s | — |
Duration | 30–180 minutes | — |
Duration | 1800–86400 s | — |
Duration | 1–6 hours | — |
Duration | 60–21600 s | — |
Duration | 1–60 minutes | — |
Temperature | 40–70 °C | — |
Duration | 1–24 hours | — |
Voltage | 0.01–5 V | — |
Voltage | 0.5–1 V | — |
Temperature | 550–650 °C | — |
Duration | ≤ 48 hours | — |
— | ≥ 10 W | — |
— | ≥ 5 W | — |
oxidizer (sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts or aqueous solutions thereof)
sulfuric acid or sulfuric acid solution
H₂SO₄
silicon or silicon dioxide substrate
metal catalyst
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
X4/X1 (carboxyl/C=C) in C1s XPS | 0.01–0.1 | graphene with carbonyl edge |
X3/X2 (C=O/C-O single bond) in C1s XPS | 0.5–1000 | graphene with carbonyl edge |
— | 10–50 W | — |
— | 5–50 W | — |
Duration | 600–21600 s | — |
Duration | 30–180 minutes | — |
Duration | 1800–86400 s | — |
Duration | 1–6 hours | — |
Duration | 60–21600 s | — |
Duration | 1–60 minutes | — |
Temperature | 40–70 °C | — |
Duration | 1–24 hours | — |
Voltage | 0.01–5 V | — |
Voltage | 0.5–1 V | — |
Temperature | 550–650 °C | — |
Duration | ≤ 48 hours | — |
— | ≥ 10 W | — |
— | ≥ 5 W | — |
oxidizer (sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts or aqueous solutions thereof)
sulfuric acid or sulfuric acid solution
H₂SO₄
silicon or silicon dioxide substrate
metal catalyst
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
X4/X1 (carboxyl/C=C) in C1s XPS | 0.01–0.1 | graphene with carbonyl edge |
X3/X2 (C=O/C-O single bond) in C1s XPS | 0.5–1000 | graphene with carbonyl edge |
— | 10–50 W | — |
— | 5–50 W | — |
Duration | 600–21600 s | — |
Duration | 30–180 minutes | — |
Duration | 1800–86400 s | — |
Duration | 1–6 hours | — |
Duration | 60–21600 s | — |
Duration | 1–60 minutes | — |
Temperature | 40–70 °C | — |
Duration | 1–24 hours | — |
Voltage | 0.01–5 V | — |
Voltage | 0.5–1 V | — |
Temperature | 550–650 °C | — |
Duration | ≤ 48 hours | — |
— | ≥ 10 W | — |
— | ≥ 5 W | — |
oxidizer (sulfuric acid, nitric acid, phosphoric acid, hydrochloric acid, hydrofluoric acid, salts or aqueous solutions thereof)
sulfuric acid or sulfuric acid solution
H₂SO₄
silicon or silicon dioxide substrate
metal catalyst
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 5 is a diagram illustrating an XPS graph of the nitrogen-doped carbon nanotube (NCNT) and the graphene after unzipping according to the exemplary …
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 6 is a diagram illustrating an XPS graph of multi-walled carbon nanotube (M WCNT) after oxidation according to Comparative Example. [0046]
FIG. 7B illustrates a concentration of nitrogen and a content of an oxygen functional group having a pyridine form of the multi-walled carbon nanotube doped …
FIG. 8 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a nitrogen doping quantity of the multi-walled carbon nanotube …
FIG. 9 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the multi-walled carbon nanotube …
FIG. 10 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a voltage applying quantity of the typical multi-walled carbon …
FIG. 11 is a graph illustrating cyclic voltammetry (CV) depending on scan rates of a capacitor manufactured according to an exemplary embodiment of the present …
FIG. 13 is a diagram illustrating, by the TEM, how much the unzipping phenomenon over sonication time of the multi-walled carbon nanotube doped with nitrogen …
FIG. 14 is a diagram illustrating, by the TEM, how much the unzipping phenomenon depending on a sonication output of the multi-walled carbon nanotube doped …
X4/X1 (carboxyl/C=C) in C1s XPS | 0.01–0.1 | graphene with carbonyl edge |
X3/X2 (C=O/C-O single bond) in C1s XPS | 0.5–1000 | graphene with carbonyl edge |
— | 10–50 W | — |
— | 5–50 W | — |
Duration | 600–21600 s | — |
Duration | 30–180 minutes | — |
Duration | 1800–86400 s | — |
Duration | 1–6 hours | — |
Duration | 60–21600 s | — |
Duration | 1–60 minutes | — |
Temperature | 40–70 °C | — |
Duration | 1–24 hours | — |
Voltage | 0.01–5 V | — |
Voltage | 0.5–1 V | — |
Temperature | 550–650 °C | — |
Duration | ≤ 48 hours | — |
— | ≥ 10 W | — |
— | ≥ 5 W | — |