Patent
US 11,525,189METHOD OF MANUFACTURING MOS₂ HAVING 1T CRYSTAL STRUCTURE
Young Chang JOO
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,525,189Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 3A, 3B and 3 C show graphs illustrating amounts of generated MoS2, M oO2, Mo 2C, and Mo C in a three-component phase diagram of CO-C O 2-MoS₂ at 800 0C …
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIG. 5, peaks corresponding to the 1 T crystal structure were observed after CO gas annealing. Thus, it was confirmed that MoS₂ having the 2H crystal structure …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
FIG. 11, unlike the results of CO gas annealing, the products had a considerably low 1 T structure ratio. According to quantitative analysis results by …
FIGS. 12A and 12B show graphs illustrating hydrogen-generating catalytic characteristics of MoS₂/C nanofibers according to experimental examples of the present …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing molybdenum disulfide (M o S 2) having a i T crystal structure, the method comprising: performing phase transition from a 2 H crystal structure of MoS₂ to the i T crystal structure by reacting MoS₂ having the 2 H crystal structure with CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas and C O 2 gas. Original
The method of claim 1, wherein the MoS₂ is in the form of at least one of bulk, powder, film, wire, and fiber. Original
A method of manufacturing MoS₂ having a i T crystal structure, the method comprising: forming a MoS₂-carbon composite by reacting an MoS₂ precursor-organic material composite with CO gas, wherein at least one portion of M o S₂ included in the M o S₂-carbon composite has the i T crystal structure. Original
The method of claim 7, wherein the MoS₂ precursor-organic material composite is in the form of fiber. Original
The method of claim 7, wherein the M o S₂ precursor-organic material composite is prepared by electrospinning. Original
The method of claim 7, wherein M o S₂ included in the M o S₂-carbon composite has a single-layered or a multi-layered structure. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas CO 2 gas. Original
-16. Canceled
Canceled
Materials described outside the worked examples.
MoS₂ (2H crystal structure)
MoS₂
carbon monoxide gas
CO
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Equilibrium S-vacancy concentration under typical conditions | 17 % | MoS₂-δ |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,525,189Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 3A, 3B and 3 C show graphs illustrating amounts of generated MoS2, M oO2, Mo 2C, and Mo C in a three-component phase diagram of CO-C O 2-MoS₂ at 800 0C …
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIG. 5, peaks corresponding to the 1 T crystal structure were observed after CO gas annealing. Thus, it was confirmed that MoS₂ having the 2H crystal structure …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
FIG. 11, unlike the results of CO gas annealing, the products had a considerably low 1 T structure ratio. According to quantitative analysis results by …
FIGS. 12A and 12B show graphs illustrating hydrogen-generating catalytic characteristics of MoS₂/C nanofibers according to experimental examples of the present …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing molybdenum disulfide (M o S 2) having a i T crystal structure, the method comprising: performing phase transition from a 2 H crystal structure of MoS₂ to the i T crystal structure by reacting MoS₂ having the 2 H crystal structure with CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas and C O 2 gas. Original
The method of claim 1, wherein the MoS₂ is in the form of at least one of bulk, powder, film, wire, and fiber. Original
A method of manufacturing MoS₂ having a i T crystal structure, the method comprising: forming a MoS₂-carbon composite by reacting an MoS₂ precursor-organic material composite with CO gas, wherein at least one portion of M o S₂ included in the M o S₂-carbon composite has the i T crystal structure. Original
The method of claim 7, wherein the MoS₂ precursor-organic material composite is in the form of fiber. Original
The method of claim 7, wherein the M o S₂ precursor-organic material composite is prepared by electrospinning. Original
The method of claim 7, wherein M o S₂ included in the M o S₂-carbon composite has a single-layered or a multi-layered structure. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas CO 2 gas. Original
-16. Canceled
Canceled
Materials described outside the worked examples.
MoS₂ (2H crystal structure)
MoS₂
carbon monoxide gas
CO
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Equilibrium S-vacancy concentration under typical conditions | 17 % | MoS₂-δ |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,525,189Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 3A, 3B and 3 C show graphs illustrating amounts of generated MoS2, M oO2, Mo 2C, and Mo C in a three-component phase diagram of CO-C O 2-MoS₂ at 800 0C …
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIG. 5, peaks corresponding to the 1 T crystal structure were observed after CO gas annealing. Thus, it was confirmed that MoS₂ having the 2H crystal structure …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
FIG. 11, unlike the results of CO gas annealing, the products had a considerably low 1 T structure ratio. According to quantitative analysis results by …
FIGS. 12A and 12B show graphs illustrating hydrogen-generating catalytic characteristics of MoS₂/C nanofibers according to experimental examples of the present …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing molybdenum disulfide (M o S 2) having a i T crystal structure, the method comprising: performing phase transition from a 2 H crystal structure of MoS₂ to the i T crystal structure by reacting MoS₂ having the 2 H crystal structure with CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas and C O 2 gas. Original
The method of claim 1, wherein the MoS₂ is in the form of at least one of bulk, powder, film, wire, and fiber. Original
A method of manufacturing MoS₂ having a i T crystal structure, the method comprising: forming a MoS₂-carbon composite by reacting an MoS₂ precursor-organic material composite with CO gas, wherein at least one portion of M o S₂ included in the M o S₂-carbon composite has the i T crystal structure. Original
The method of claim 7, wherein the MoS₂ precursor-organic material composite is in the form of fiber. Original
The method of claim 7, wherein the M o S₂ precursor-organic material composite is prepared by electrospinning. Original
The method of claim 7, wherein M o S₂ included in the M o S₂-carbon composite has a single-layered or a multi-layered structure. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas CO 2 gas. Original
-16. Canceled
Canceled
Materials described outside the worked examples.
MoS₂ (2H crystal structure)
MoS₂
carbon monoxide gas
CO
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Equilibrium S-vacancy concentration under typical conditions | 17 % | MoS₂-δ |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,525,189Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 3A, 3B and 3 C show graphs illustrating amounts of generated MoS2, M oO2, Mo 2C, and Mo C in a three-component phase diagram of CO-C O 2-MoS₂ at 800 0C …
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIG. 5, peaks corresponding to the 1 T crystal structure were observed after CO gas annealing. Thus, it was confirmed that MoS₂ having the 2H crystal structure …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
FIG. 11, unlike the results of CO gas annealing, the products had a considerably low 1 T structure ratio. According to quantitative analysis results by …
FIGS. 12A and 12B show graphs illustrating hydrogen-generating catalytic characteristics of MoS₂/C nanofibers according to experimental examples of the present …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of manufacturing molybdenum disulfide (M o S 2) having a i T crystal structure, the method comprising: performing phase transition from a 2 H crystal structure of MoS₂ to the i T crystal structure by reacting MoS₂ having the 2 H crystal structure with CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas. Original
The method of claim 1, wherein the performing of phase transition comprises annealing the MoS₂ having the 2 H crystal structure in an atmosphere including CO gas and C O 2 gas. Original
The method of claim 1, wherein the MoS₂ is in the form of at least one of bulk, powder, film, wire, and fiber. Original
A method of manufacturing MoS₂ having a i T crystal structure, the method comprising: forming a MoS₂-carbon composite by reacting an MoS₂ precursor-organic material composite with CO gas, wherein at least one portion of M o S₂ included in the M o S₂-carbon composite has the i T crystal structure. Original
The method of claim 7, wherein the MoS₂ precursor-organic material composite is in the form of fiber. Original
The method of claim 7, wherein the M o S₂ precursor-organic material composite is prepared by electrospinning. Original
The method of claim 7, wherein M o S₂ included in the M o S₂-carbon composite has a single-layered or a multi-layered structure. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas. Original
The method of claim 7, wherein the forming of the MoS₂ -carbon composite comprises annealing the MoS₂ precursor- organic material composite in an atmosphere including CO gas CO 2 gas. Original
-16. Canceled
Canceled
Materials described outside the worked examples.
MoS₂ (2H crystal structure)
MoS₂
carbon monoxide gas
CO
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1 A, 1 B and 1 C show graphs illustrating free energy of formation of S- vacancies formed in MoS₂ via reaction with CO gas and calculated according to …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Equilibrium S-vacancy concentration under typical conditions | 17 % | MoS₂-δ |
Related documents with shared materials, methods, properties, or citations.
carbon dioxide gas
CO₂
MoS₂ precursor-organic material composite
MoS₂-carbon composite
MoS₂ with S-vacancies
MoS₂-δ
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
| -1 eV |
MoS₂-δ |
Duration | 1–5 hours | — |
Voltage | 0–0.6 V | — |
Pressure | 0.00001 atm | — |
Pressure | 10–25 atm | — |
Thickness | ≤ 7 nm | — |
carbon dioxide gas
CO₂
MoS₂ precursor-organic material composite
MoS₂-carbon composite
MoS₂ with S-vacancies
MoS₂-δ
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
| -1 eV |
MoS₂-δ |
Duration | 1–5 hours | — |
Voltage | 0–0.6 V | — |
Pressure | 0.00001 atm | — |
Pressure | 10–25 atm | — |
Thickness | ≤ 7 nm | — |
carbon dioxide gas
CO₂
MoS₂ precursor-organic material composite
MoS₂-carbon composite
MoS₂ with S-vacancies
MoS₂-δ
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
| -1 eV |
MoS₂-δ |
Duration | 1–5 hours | — |
Voltage | 0–0.6 V | — |
Pressure | 0.00001 atm | — |
Pressure | 10–25 atm | — |
Thickness | ≤ 7 nm | — |
carbon dioxide gas
CO₂
MoS₂ precursor-organic material composite
MoS₂-carbon composite
MoS₂ with S-vacancies
MoS₂-δ
FIG. 2 is a graph illustrating equilibrium oxygen partial pressures according to CO:CO 2 flow ratio; [0029]
FIGS. 4A, 4B and 5 A and 5 B are graphs showing X-ray photoelectron spectroscopy (XPS) results to measure formation of a 1 T structure in MoS₂ powder and a …
FIGS. 6A, 6B and 6 C show high- resolution transmission electron microscope images obtained to identify formation of 1 T of MoS₂ powder; [0032]
FIG. 7 shows graphs illustrating XPS measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; [0033]
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIG. 8 is a graph illustrating Raman spectrum measurement results of MoS₂/C nanofibers manufactured according to experimental examples of the present invention; …
FIGS. 9A and 9B show graphs illustrating extended X-ray absorption fine structure (EXAFS) measurement results of Mo in the MoS₂/C nanofibers according to …
FIGS. 10 A, 10 B, 10 C, 1O D, 1 0 E and 1O F show transmission electron microscope images of microstructures of MoS₂/C nanofibers according to experimental …
| -1 eV |
MoS₂-δ |
Duration | 1–5 hours | — |
Voltage | 0–0.6 V | — |
Pressure | 0.00001 atm | — |
Pressure | 10–25 atm | — |
Thickness | ≤ 7 nm | — |