Patent
Atlas literature
Patent
US 12,570,530 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a block diagram of an exemplary process for preparation of an embodiment of the alkali metal-intercalated hBN material.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
FIG. 3B.
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 6 shows preparation of dispersions of fully exfoli- ated reduced/negatively charged 2=dimensional hBN sheets in THF. Schematic (a) is an illustration of …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 14 shows exfoliation and dispersion of hBN 30 nanosheets. Panel (a) is a schematic representation of the exfoliation and dispersion of K-intercalated hBN …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 17 shows mixed dimensional 0D/2D heterostruc- tures based on Pt nanoparticles and Pt atoms anchored on hBN nanosheets (Pt(Np)/hBN). Panel (a) shows a …
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 dispersion of exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride (hBN) sheet in a polar aprotic organic solvent, the method comprising performing the following steps within an inert environment: (i) providing an alkali metal-intercalated hBN, the alkali metal-intercalated hBN comprising hBN with an alkali metal intercalated between the hBN layers, wherein the alkali metal is potassium; (ii) adding an organic polar aprotic solvent (A) or a mixture (A') of polar aprotic solvents under anhydrous inert atmosphere to the alkali metal-intercalated hBN; and B₂ (111) agitating the mixture formed by (i) and (ii) until a dispersion of reduced/negatively charged exfoliated 2-dimensional hBN sheet is formed.
The method of claim 1, wherein agitation occurs for an amount of time.
The method of claim 1, wherein agitation occurs longer than 0 minutes.
The method of claim 1, wherein the organic aprotic solvent is tetrahydrofuran (THF).
The method of claim 1, wherein agitation involves mechanical stirring, magnetic stirring, and/or agitation with-out stirring.
The method according to claim 1, further comprising centrifugation.
The method according to claim 1, wherein step (iii) is performed in the absence of sonication.
The method of claim 1, wherein the organic aprotic solvent (A) has a dielectric constant between 25 and 200.
The method of claim 1, further comprising: depositing the dispersion on a substrate.
The method of claim 1, further comprising: depositing the dispersion on a substrate via stamping, spin coating, printing, spray coating, or electroplating to form a film, a membrane, or a coating. ∗ ∗ ∗ ∗ ∗
Materials described outside the worked examples.
hexagonal boron nitride
hBN
potassium-intercalated hexagonal boron nitride
K-hBN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
— | 0.2–0.5 eV | — |
Duration |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 6
Cited non-patent literature · 7
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,570,530 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a block diagram of an exemplary process for preparation of an embodiment of the alkali metal-intercalated hBN material.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
FIG. 3B.
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 6 shows preparation of dispersions of fully exfoli- ated reduced/negatively charged 2=dimensional hBN sheets in THF. Schematic (a) is an illustration of …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 14 shows exfoliation and dispersion of hBN 30 nanosheets. Panel (a) is a schematic representation of the exfoliation and dispersion of K-intercalated hBN …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 17 shows mixed dimensional 0D/2D heterostruc- tures based on Pt nanoparticles and Pt atoms anchored on hBN nanosheets (Pt(Np)/hBN). Panel (a) shows a …
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 dispersion of exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride (hBN) sheet in a polar aprotic organic solvent, the method comprising performing the following steps within an inert environment: (i) providing an alkali metal-intercalated hBN, the alkali metal-intercalated hBN comprising hBN with an alkali metal intercalated between the hBN layers, wherein the alkali metal is potassium; (ii) adding an organic polar aprotic solvent (A) or a mixture (A') of polar aprotic solvents under anhydrous inert atmosphere to the alkali metal-intercalated hBN; and B₂ (111) agitating the mixture formed by (i) and (ii) until a dispersion of reduced/negatively charged exfoliated 2-dimensional hBN sheet is formed.
The method of claim 1, wherein agitation occurs for an amount of time.
The method of claim 1, wherein agitation occurs longer than 0 minutes.
The method of claim 1, wherein the organic aprotic solvent is tetrahydrofuran (THF).
The method of claim 1, wherein agitation involves mechanical stirring, magnetic stirring, and/or agitation with-out stirring.
The method according to claim 1, further comprising centrifugation.
The method according to claim 1, wherein step (iii) is performed in the absence of sonication.
The method of claim 1, wherein the organic aprotic solvent (A) has a dielectric constant between 25 and 200.
The method of claim 1, further comprising: depositing the dispersion on a substrate.
The method of claim 1, further comprising: depositing the dispersion on a substrate via stamping, spin coating, printing, spray coating, or electroplating to form a film, a membrane, or a coating. ∗ ∗ ∗ ∗ ∗
Materials described outside the worked examples.
hexagonal boron nitride
hBN
potassium-intercalated hexagonal boron nitride
K-hBN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
— | 0.2–0.5 eV | — |
Duration |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 6
Cited non-patent literature · 7
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,570,530 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a block diagram of an exemplary process for preparation of an embodiment of the alkali metal-intercalated hBN material.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
FIG. 3B.
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 6 shows preparation of dispersions of fully exfoli- ated reduced/negatively charged 2=dimensional hBN sheets in THF. Schematic (a) is an illustration of …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 14 shows exfoliation and dispersion of hBN 30 nanosheets. Panel (a) is a schematic representation of the exfoliation and dispersion of K-intercalated hBN …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 17 shows mixed dimensional 0D/2D heterostruc- tures based on Pt nanoparticles and Pt atoms anchored on hBN nanosheets (Pt(Np)/hBN). Panel (a) shows a …
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 dispersion of exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride (hBN) sheet in a polar aprotic organic solvent, the method comprising performing the following steps within an inert environment: (i) providing an alkali metal-intercalated hBN, the alkali metal-intercalated hBN comprising hBN with an alkali metal intercalated between the hBN layers, wherein the alkali metal is potassium; (ii) adding an organic polar aprotic solvent (A) or a mixture (A') of polar aprotic solvents under anhydrous inert atmosphere to the alkali metal-intercalated hBN; and B₂ (111) agitating the mixture formed by (i) and (ii) until a dispersion of reduced/negatively charged exfoliated 2-dimensional hBN sheet is formed.
The method of claim 1, wherein agitation occurs for an amount of time.
The method of claim 1, wherein agitation occurs longer than 0 minutes.
The method of claim 1, wherein the organic aprotic solvent is tetrahydrofuran (THF).
The method of claim 1, wherein agitation involves mechanical stirring, magnetic stirring, and/or agitation with-out stirring.
The method according to claim 1, further comprising centrifugation.
The method according to claim 1, wherein step (iii) is performed in the absence of sonication.
The method of claim 1, wherein the organic aprotic solvent (A) has a dielectric constant between 25 and 200.
The method of claim 1, further comprising: depositing the dispersion on a substrate.
The method of claim 1, further comprising: depositing the dispersion on a substrate via stamping, spin coating, printing, spray coating, or electroplating to form a film, a membrane, or a coating. ∗ ∗ ∗ ∗ ∗
Materials described outside the worked examples.
hexagonal boron nitride
hBN
potassium-intercalated hexagonal boron nitride
K-hBN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
— | 0.2–0.5 eV | — |
Duration |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 6
Cited non-patent literature · 7
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 12,570,530 B2Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1B is a block diagram of an exemplary process for preparation of an embodiment of the alkali metal-intercalated hBN material.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
FIG. 3B.
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 6 shows preparation of dispersions of fully exfoli- ated reduced/negatively charged 2=dimensional hBN sheets in THF. Schematic (a) is an illustration of …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 14 shows exfoliation and dispersion of hBN 30 nanosheets. Panel (a) is a schematic representation of the exfoliation and dispersion of K-intercalated hBN …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 17 shows mixed dimensional 0D/2D heterostruc- tures based on Pt nanoparticles and Pt atoms anchored on hBN nanosheets (Pt(Np)/hBN). Panel (a) shows a …
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 dispersion of exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride (hBN) sheet in a polar aprotic organic solvent, the method comprising performing the following steps within an inert environment: (i) providing an alkali metal-intercalated hBN, the alkali metal-intercalated hBN comprising hBN with an alkali metal intercalated between the hBN layers, wherein the alkali metal is potassium; (ii) adding an organic polar aprotic solvent (A) or a mixture (A') of polar aprotic solvents under anhydrous inert atmosphere to the alkali metal-intercalated hBN; and B₂ (111) agitating the mixture formed by (i) and (ii) until a dispersion of reduced/negatively charged exfoliated 2-dimensional hBN sheet is formed.
The method of claim 1, wherein agitation occurs for an amount of time.
The method of claim 1, wherein agitation occurs longer than 0 minutes.
The method of claim 1, wherein the organic aprotic solvent is tetrahydrofuran (THF).
The method of claim 1, wherein agitation involves mechanical stirring, magnetic stirring, and/or agitation with-out stirring.
The method according to claim 1, further comprising centrifugation.
The method according to claim 1, wherein step (iii) is performed in the absence of sonication.
The method of claim 1, wherein the organic aprotic solvent (A) has a dielectric constant between 25 and 200.
The method of claim 1, further comprising: depositing the dispersion on a substrate.
The method of claim 1, further comprising: depositing the dispersion on a substrate via stamping, spin coating, printing, spray coating, or electroplating to form a film, a membrane, or a coating. ∗ ∗ ∗ ∗ ∗
Materials described outside the worked examples.
hexagonal boron nitride
hBN
potassium-intercalated hexagonal boron nitride
K-hBN
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2B is a photograph of hBN powder, K metal, and the K-intercalated hBN material with a K-intercalated hBN material based electrical device tested using a …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
— | 0.2–0.5 eV | — |
Duration |
Patents and literature cited by this patent (applicant and examiner references).
Cited patents · 6
Cited non-patent literature · 7
Related documents with shared materials, methods, properties, or citations.
exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride dispersion
tetrahydrofuran
THF
2-dimensional hBN-supported metal and/or metal oxide nanoparticle composites
polar aprotic organic solvent
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
durability of the Pt nanoparticles on the hBN nanosheet surface, showing largely unchanged performance after a thousand cycles. The superior performance of this Pt(Np)/hBN nanocomposite catalyst may be ascribed to the robust anchoring of Pt nanoclusters and na
| — |
Thickness | 0.5–4 nm | — |
Temperature | 350–450 °C | — |
Thickness | 3–6 nm | — |
Thickness | 200–500 nm | — |
Thickness | 190–400 nm | — |
Duration | ≤ 1 hour | — |
Thickness | ≤ 1.5 nm | — |
Thickness | ≤ 0.5 nm | — |
— | ≤ 5 eV | — |
Thickness | ≥ 10 µm | — |
— | 0.1–4.99 eV | — |
Thickness | 0.5–10 nm | — |
— | 5–6 eV | — |
Duration | ≥ 0 minutes | — |
— | 0.2–4.99 eV | — |
Temperature | 22–202 °C | — |
Thickness | 0.01–5 µm | — |
Thickness | ≥ 10 nm | — |
exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride dispersion
tetrahydrofuran
THF
2-dimensional hBN-supported metal and/or metal oxide nanoparticle composites
polar aprotic organic solvent
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
durability of the Pt nanoparticles on the hBN nanosheet surface, showing largely unchanged performance after a thousand cycles. The superior performance of this Pt(Np)/hBN nanocomposite catalyst may be ascribed to the robust anchoring of Pt nanoclusters and na
| — |
Thickness | 0.5–4 nm | — |
Temperature | 350–450 °C | — |
Thickness | 3–6 nm | — |
Thickness | 200–500 nm | — |
Thickness | 190–400 nm | — |
Duration | ≤ 1 hour | — |
Thickness | ≤ 1.5 nm | — |
Thickness | ≤ 0.5 nm | — |
— | ≤ 5 eV | — |
Thickness | ≥ 10 µm | — |
— | 0.1–4.99 eV | — |
Thickness | 0.5–10 nm | — |
— | 5–6 eV | — |
Duration | ≥ 0 minutes | — |
— | 0.2–4.99 eV | — |
Temperature | 22–202 °C | — |
Thickness | 0.01–5 µm | — |
Thickness | ≥ 10 nm | — |
exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride dispersion
tetrahydrofuran
THF
2-dimensional hBN-supported metal and/or metal oxide nanoparticle composites
polar aprotic organic solvent
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
durability of the Pt nanoparticles on the hBN nanosheet surface, showing largely unchanged performance after a thousand cycles. The superior performance of this Pt(Np)/hBN nanocomposite catalyst may be ascribed to the robust anchoring of Pt nanoclusters and na
| — |
Thickness | 0.5–4 nm | — |
Temperature | 350–450 °C | — |
Thickness | 3–6 nm | — |
Thickness | 200–500 nm | — |
Thickness | 190–400 nm | — |
Duration | ≤ 1 hour | — |
Thickness | ≤ 1.5 nm | — |
Thickness | ≤ 0.5 nm | — |
— | ≤ 5 eV | — |
Thickness | ≥ 10 µm | — |
— | 0.1–4.99 eV | — |
Thickness | 0.5–10 nm | — |
— | 5–6 eV | — |
Duration | ≥ 0 minutes | — |
— | 0.2–4.99 eV | — |
Temperature | 22–202 °C | — |
Thickness | 0.01–5 µm | — |
Thickness | ≥ 10 nm | — |
exfoliated reduced/negatively charged 2-dimensional hexagonal boron nitride dispersion
tetrahydrofuran
THF
2-dimensional hBN-supported metal and/or metal oxide nanoparticle composites
polar aprotic organic solvent
FIG. 4A is chemical composition of K-intercalated hBN showing XPS survey measurements of hBN and K-interca- lated hBN.
FIG. 5B shows temperature dependent two-probe electrical resistance measurements for K-intercalated hBN at different magnetic fields. There is superconductivity …
FIG. 7B is UV-vis absorption spectrum of a dilute dispersion of 2-dimensional hBN sheets in water, showing an absorption peak at 202.5 nm, the exact wavelength …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 8A is a characterization of deposits from dispersions of 2-dimensional hBN in water (deposits were made by dip coating and drop casting) showing …
FIG. 9B is FTIR spectra of functionalized 2-dimensional hBN showing new alkyl vibration peaks indicating functionalization with hexyl groups. The mass loss in …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 10E is XRD of 2-dimensional hBN-supported platinum metal nanoparticle heterostructure showing peaks 26.6°, 39.9°, 45.5° and 67.5° that can be attributed …
FIG. 11C is HR-STEM/EDX element map of 2-dimensional hBN-supported platinum NP composite, the nitrogen edge is depicted in blue, whereas the platinum edge is …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 12A is electrochemical performance of 2-dimen- sional hBN-supported Pt NP composite catalyst in the hydrogen evolution reaction compared to commercial …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 13F shows formation energies for mono- and bilayers of K for √3×√3 or 2×2 supercells with vdW-DF and DFT-D₃ corrections. Full (hollow) markers 25 …
FIG. 15 shows spectroscopic signatures of exfoliated hBN nanosheets. Panel (a) UV-vis absorption spectrum shows an absorption peak at 202.5 nm (6.1 eV), the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
FIG. 16 shows morphology of the hBN nanosheets depos- its from the aqueous dispersions of hBN. Panel (a) shows a topographic image on mica by AFM showing the …
durability of the Pt nanoparticles on the hBN nanosheet surface, showing largely unchanged performance after a thousand cycles. The superior performance of this Pt(Np)/hBN nanocomposite catalyst may be ascribed to the robust anchoring of Pt nanoclusters and na
| — |
Thickness | 0.5–4 nm | — |
Temperature | 350–450 °C | — |
Thickness | 3–6 nm | — |
Thickness | 200–500 nm | — |
Thickness | 190–400 nm | — |
Duration | ≤ 1 hour | — |
Thickness | ≤ 1.5 nm | — |
Thickness | ≤ 0.5 nm | — |
— | ≤ 5 eV | — |
Thickness | ≥ 10 µm | — |
— | 0.1–4.99 eV | — |
Thickness | 0.5–10 nm | — |
— | 5–6 eV | — |
Duration | ≥ 0 minutes | — |
— | 0.2–4.99 eV | — |
Temperature | 22–202 °C | — |
Thickness | 0.01–5 µm | — |
Thickness | ≥ 10 nm | — |
