Patent
US 11,306,000GRAPHENE-BASED COMPOUND, PREPARATION METHOD THEREOF, AND SINGLE-PHASE COMPOSITION FOR PREPARING GRAPHENE-BASED COMPOUND AND GRAPHENE QUANTUM DOT
O Ok PARK
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,306,000Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an image obtained by observing each single phase of a composition for preparing a graphene-based compound according to an embodiment of the present …
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 4 B [[(b)]] shows results of the graphene-based compound having an average particle diameter of 70 nm. [0061]
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 6 B [[(b)]] shows results of the SUBSTITUTE SPECIFICATION-CLEAN graphene-based compound having an average particle diameter of 70 nm. [0063]
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 8 D shows the average particle size in a range of 10-70 nm. [0065]
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
FIG. 11 is an image of a transparent and colorless single phase of a composition for preparing a graphene- based compound according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A single-phase composition for preparing a graphene-based compound comprising: hydrocarbyl amine, a hydroxyl group-containing carbon source, an acid, and a C 6-C 20 hydrocarbyl alcohol-based solvent, wherein the single-phase composition includes the h y drox y l group-containing carbon source and the hydrocarbyl amine in a molar ratio of 1:1 to 1:20. Currently amended
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the hydroxyl group-containing carbon source includes a saccharide-based compound. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the acid includes an organic acid. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the pH of the composition ranges from 4 to 7. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the graphene-based compound includes a graphene quantum dot. Original
Canceled
A method for preparing a graphene-based compound comprising: (a) preparing a reaction mixture including hydrocarbyl amine, a hydroxyl group- containing carbon source, an acid, and a hydrocarbyl alcohol-based solvent, (b) heating the reaction mixture, wherein the reaction mixture of step (a) includes the hydroxyl group-containing carbon source and the h y drocarb y l amine in a molar ratio of 1:1 to 1:20. Currently amended
The method of claim 8, wherein a reaction temperature in the (b) heating ranges from 60 to 300 0 C. Original
The method of claim 8, further comprising: mixing a reaction product obtained after the (b) heating with a (C₁-C₃) alcohol-based solvent. Previously presented
The method of claim 8, further comprising: cooling the reaction product obtained after the (b) heating to a melting point or less of the hydrocarbyl amine. Original
The method of claim 8, wherein the reaction mixture of the (a) preparing has a single phase. Original
Canceled
- 24. Canceled
Canceled
Materials described outside the worked examples.
single-phase composition for preparing a graphene-based compound
hydrocarbyl amine
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum emission wavelength showing maximum PL curve at 300K | 420–480 nm | graphene quantum dot |
FWHM of PL emission spectrum at 300K | ≤ 100 nm |
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BIOCOMPATIBLE GRAPHENE QUANTUM DOTS FOR DRUG DELIVERY AND BIOIMAGING APPLICATIONS
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
Patent
Atlas literature
Patent
US 11,306,000Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an image obtained by observing each single phase of a composition for preparing a graphene-based compound according to an embodiment of the present …
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 4 B [[(b)]] shows results of the graphene-based compound having an average particle diameter of 70 nm. [0061]
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 6 B [[(b)]] shows results of the SUBSTITUTE SPECIFICATION-CLEAN graphene-based compound having an average particle diameter of 70 nm. [0063]
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 8 D shows the average particle size in a range of 10-70 nm. [0065]
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
FIG. 11 is an image of a transparent and colorless single phase of a composition for preparing a graphene- based compound according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A single-phase composition for preparing a graphene-based compound comprising: hydrocarbyl amine, a hydroxyl group-containing carbon source, an acid, and a C 6-C 20 hydrocarbyl alcohol-based solvent, wherein the single-phase composition includes the h y drox y l group-containing carbon source and the hydrocarbyl amine in a molar ratio of 1:1 to 1:20. Currently amended
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the hydroxyl group-containing carbon source includes a saccharide-based compound. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the acid includes an organic acid. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the pH of the composition ranges from 4 to 7. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the graphene-based compound includes a graphene quantum dot. Original
Canceled
A method for preparing a graphene-based compound comprising: (a) preparing a reaction mixture including hydrocarbyl amine, a hydroxyl group- containing carbon source, an acid, and a hydrocarbyl alcohol-based solvent, (b) heating the reaction mixture, wherein the reaction mixture of step (a) includes the hydroxyl group-containing carbon source and the h y drocarb y l amine in a molar ratio of 1:1 to 1:20. Currently amended
The method of claim 8, wherein a reaction temperature in the (b) heating ranges from 60 to 300 0 C. Original
The method of claim 8, further comprising: mixing a reaction product obtained after the (b) heating with a (C₁-C₃) alcohol-based solvent. Previously presented
The method of claim 8, further comprising: cooling the reaction product obtained after the (b) heating to a melting point or less of the hydrocarbyl amine. Original
The method of claim 8, wherein the reaction mixture of the (a) preparing has a single phase. Original
Canceled
- 24. Canceled
Canceled
Materials described outside the worked examples.
single-phase composition for preparing a graphene-based compound
hydrocarbyl amine
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum emission wavelength showing maximum PL curve at 300K | 420–480 nm | graphene quantum dot |
FWHM of PL emission spectrum at 300K | ≤ 100 nm |
Related documents with shared materials, methods, properties, or citations.
BIOCOMPATIBLE GRAPHENE QUANTUM DOTS FOR DRUG DELIVERY AND BIOIMAGING APPLICATIONS
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
Patent
Atlas literature
Patent
US 11,306,000Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an image obtained by observing each single phase of a composition for preparing a graphene-based compound according to an embodiment of the present …
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 4 B [[(b)]] shows results of the graphene-based compound having an average particle diameter of 70 nm. [0061]
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 6 B [[(b)]] shows results of the SUBSTITUTE SPECIFICATION-CLEAN graphene-based compound having an average particle diameter of 70 nm. [0063]
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 8 D shows the average particle size in a range of 10-70 nm. [0065]
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
FIG. 11 is an image of a transparent and colorless single phase of a composition for preparing a graphene- based compound according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A single-phase composition for preparing a graphene-based compound comprising: hydrocarbyl amine, a hydroxyl group-containing carbon source, an acid, and a C 6-C 20 hydrocarbyl alcohol-based solvent, wherein the single-phase composition includes the h y drox y l group-containing carbon source and the hydrocarbyl amine in a molar ratio of 1:1 to 1:20. Currently amended
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the hydroxyl group-containing carbon source includes a saccharide-based compound. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the acid includes an organic acid. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the pH of the composition ranges from 4 to 7. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the graphene-based compound includes a graphene quantum dot. Original
Canceled
A method for preparing a graphene-based compound comprising: (a) preparing a reaction mixture including hydrocarbyl amine, a hydroxyl group- containing carbon source, an acid, and a hydrocarbyl alcohol-based solvent, (b) heating the reaction mixture, wherein the reaction mixture of step (a) includes the hydroxyl group-containing carbon source and the h y drocarb y l amine in a molar ratio of 1:1 to 1:20. Currently amended
The method of claim 8, wherein a reaction temperature in the (b) heating ranges from 60 to 300 0 C. Original
The method of claim 8, further comprising: mixing a reaction product obtained after the (b) heating with a (C₁-C₃) alcohol-based solvent. Previously presented
The method of claim 8, further comprising: cooling the reaction product obtained after the (b) heating to a melting point or less of the hydrocarbyl amine. Original
The method of claim 8, wherein the reaction mixture of the (a) preparing has a single phase. Original
Canceled
- 24. Canceled
Canceled
Materials described outside the worked examples.
single-phase composition for preparing a graphene-based compound
hydrocarbyl amine
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum emission wavelength showing maximum PL curve at 300K | 420–480 nm | graphene quantum dot |
FWHM of PL emission spectrum at 300K | ≤ 100 nm |
Related documents with shared materials, methods, properties, or citations.
BIOCOMPATIBLE GRAPHENE QUANTUM DOTS FOR DRUG DELIVERY AND BIOIMAGING APPLICATIONS
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
Patent
Atlas literature
Patent
US 11,306,000Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an image obtained by observing each single phase of a composition for preparing a graphene-based compound according to an embodiment of the present …
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 4 B [[(b)]] shows results of the graphene-based compound having an average particle diameter of 70 nm. [0061]
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 6 B [[(b)]] shows results of the SUBSTITUTE SPECIFICATION-CLEAN graphene-based compound having an average particle diameter of 70 nm. [0063]
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 8 D shows the average particle size in a range of 10-70 nm. [0065]
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
FIG. 11 is an image of a transparent and colorless single phase of a composition for preparing a graphene- based compound according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A single-phase composition for preparing a graphene-based compound comprising: hydrocarbyl amine, a hydroxyl group-containing carbon source, an acid, and a C 6-C 20 hydrocarbyl alcohol-based solvent, wherein the single-phase composition includes the h y drox y l group-containing carbon source and the hydrocarbyl amine in a molar ratio of 1:1 to 1:20. Currently amended
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the hydroxyl group-containing carbon source includes a saccharide-based compound. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the acid includes an organic acid. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the pH of the composition ranges from 4 to 7. Original
The single-phase composition for preparing a graphene-based compound of claim 1, wherein the graphene-based compound includes a graphene quantum dot. Original
Canceled
A method for preparing a graphene-based compound comprising: (a) preparing a reaction mixture including hydrocarbyl amine, a hydroxyl group- containing carbon source, an acid, and a hydrocarbyl alcohol-based solvent, (b) heating the reaction mixture, wherein the reaction mixture of step (a) includes the hydroxyl group-containing carbon source and the h y drocarb y l amine in a molar ratio of 1:1 to 1:20. Currently amended
The method of claim 8, wherein a reaction temperature in the (b) heating ranges from 60 to 300 0 C. Original
The method of claim 8, further comprising: mixing a reaction product obtained after the (b) heating with a (C₁-C₃) alcohol-based solvent. Previously presented
The method of claim 8, further comprising: cooling the reaction product obtained after the (b) heating to a melting point or less of the hydrocarbyl amine. Original
The method of claim 8, wherein the reaction mixture of the (a) preparing has a single phase. Original
Canceled
- 24. Canceled
Canceled
Materials described outside the worked examples.
single-phase composition for preparing a graphene-based compound
hydrocarbyl amine
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
maximum emission wavelength showing maximum PL curve at 300K | 420–480 nm | graphene quantum dot |
FWHM of PL emission spectrum at 300K | ≤ 100 nm |
Related documents with shared materials, methods, properties, or citations.
BIOCOMPATIBLE GRAPHENE QUANTUM DOTS FOR DRUG DELIVERY AND BIOIMAGING APPLICATIONS
PHOTOELECTRONIC DEVICE USING HYBRID STRUCTURE OF SILICA NANO PARTICLES - GRAPHENE QUANTUM DOTS AND METHOD OF MANUFACTURING THE SAME
acid
hydrocarbyl alcohol-based solvent
C₆-C₂₀ hydrocarbyl alcohol-based solvent
saccharide-based compound
monosaccharide compound
organic acid
graphene quantum dot
(C₁-C₃) alcohol-based solvent
hydroxyl group-containing carbon source
graphene-based compound
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
maximum luminescence characteristic wavelength at 300K on methanol solvent | 380–480 nm | graphene quantum dot |
Duration | 1800–36000 s | — |
Duration | 1800–18000 s | — |
Thickness | 2–500 nm | — |
Thickness | 450–800 nm | — |
Thickness | 1300–1400 cm | — |
Thickness | 1550–1650 cm | — |
Thickness | 350–390 nm | — |
Thickness | 350–370 nm | — |
Thickness | 40–850 cm | — |
Thickness | 1560–1760 cm | — |
Thickness | 3200–3600 cm | — |
Thickness | 420–450 nm | — |
acid
hydrocarbyl alcohol-based solvent
C₆-C₂₀ hydrocarbyl alcohol-based solvent
saccharide-based compound
monosaccharide compound
organic acid
graphene quantum dot
(C₁-C₃) alcohol-based solvent
hydroxyl group-containing carbon source
graphene-based compound
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
maximum luminescence characteristic wavelength at 300K on methanol solvent | 380–480 nm | graphene quantum dot |
Duration | 1800–36000 s | — |
Duration | 1800–18000 s | — |
Thickness | 2–500 nm | — |
Thickness | 450–800 nm | — |
Thickness | 1300–1400 cm | — |
Thickness | 1550–1650 cm | — |
Thickness | 350–390 nm | — |
Thickness | 350–370 nm | — |
Thickness | 40–850 cm | — |
Thickness | 1560–1760 cm | — |
Thickness | 3200–3600 cm | — |
Thickness | 420–450 nm | — |
acid
hydrocarbyl alcohol-based solvent
C₆-C₂₀ hydrocarbyl alcohol-based solvent
saccharide-based compound
monosaccharide compound
organic acid
graphene quantum dot
(C₁-C₃) alcohol-based solvent
hydroxyl group-containing carbon source
graphene-based compound
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
maximum luminescence characteristic wavelength at 300K on methanol solvent | 380–480 nm | graphene quantum dot |
Duration | 1800–36000 s | — |
Duration | 1800–18000 s | — |
Thickness | 2–500 nm | — |
Thickness | 450–800 nm | — |
Thickness | 1300–1400 cm | — |
Thickness | 1550–1650 cm | — |
Thickness | 350–390 nm | — |
Thickness | 350–370 nm | — |
Thickness | 40–850 cm | — |
Thickness | 1560–1760 cm | — |
Thickness | 3200–3600 cm | — |
Thickness | 420–450 nm | — |
acid
hydrocarbyl alcohol-based solvent
C₆-C₂₀ hydrocarbyl alcohol-based solvent
saccharide-based compound
monosaccharide compound
organic acid
graphene quantum dot
(C₁-C₃) alcohol-based solvent
hydroxyl group-containing carbon source
graphene-based compound
FIG. 2 B is a graph showing a standard deviation with respect to a particle diameter distribution of the graphene-based compound. [0059] FIG s. 3 A-3D [[is]] …
FIG. 3, when the reaction temperature of 150 * C in Example 1 was changed to 140, 135, 130 and 120 * C, and then the graphene-based compounds prepared in …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 5 shows results of Raman spectroscopy of a graphene-based compound having an average particle diameter of 5 nm or 70 nm according to an embodiment of the …
FIG. 7 is an image showing luminescence characteristics observed after UV irradiation of the graphene-based compound according to an embodiment of the present …
FIG. 9 shows FT-IR analysis results according to an average particle diameter of the graphene-based compound according to an embodiment of the present …
FIG. 10 shows UV-Vis-Transmittance results of the graphene-based compound according to an embodiment of the present invention. [0067]
maximum luminescence characteristic wavelength at 300K on methanol solvent | 380–480 nm | graphene quantum dot |
Duration | 1800–36000 s | — |
Duration | 1800–18000 s | — |
Thickness | 2–500 nm | — |
Thickness | 450–800 nm | — |
Thickness | 1300–1400 cm | — |
Thickness | 1550–1650 cm | — |
Thickness | 350–390 nm | — |
Thickness | 350–370 nm | — |
Thickness | 40–850 cm | — |
Thickness | 1560–1760 cm | — |
Thickness | 3200–3600 cm | — |
Thickness | 420–450 nm | — |