Patent
US 9,133,034Chelating Agent Modified Graphene Oxides, Methods of Preparation and Use
Shifeng HOU
US
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Patent
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Patent
US 9,133,034Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Park, Sungjin and Ruoff, Rodney s., 2009, "Chemical methods for the production of graphenes," Nature Nanotechnology, 4(4): 217-24. 30 2. Sharma, S., Ganguly, A., Papakonstantinou, P., Miao, X.P., Li, M.X., Hutchison, J.L., Delichatsios, M., Ukleja, S., 2010, "Rapid Microwave Synthesis of C O Tolerant Reduced Graphene Oxide-Supported Platinum Electrocatalysts for Page 33 of 41 Oxidation of Methanol," Journal of Physical Chemistry C, 114: 19459-19466.
5. The chelating agent modified graphene oxide of claim 1, wherein said linking moiety is -O-Si(-OR)2(- CH₂)m -; wherein R' is H, or C l -C₁₂ alkyl, m=1-12.
Page 38 of 41 15. A method of using chelating agent modified graphene oxide of claim 1 to produce metal catalysts, comprising the steps of: (i) solubilizing or dispersing said chelating agent 5 modified graphene oxide in aqueous or organic solvent; (ii) adding to the solution or suspension in step (i) a salt of the metal selected from the group of salts of Ni, Co, Fe, Pt, Ru, Au, Cr, Cu, Mg, Mn, Mo, Rh, 10 Si, Ta, Ti, W, U, V, Zr, or Li to form a metal complex; and (iii) precipitating metal complex of said chelating agent modified graphene oxide from step (ii) to produce micro particles or nano particles of said 15 metal nanoparticles for use as catalyst.
Liu, J.M., Meng, H., Li, J.I., Liao, S.J., and Bu, J.H., 2007, "Preparation of high performance Pt/CNT catalysts 5 stabilized by ethylenediaminetetraacetic acid disodium salt," Fuel Cell 7: 402-407.
Madadrang, C.J., Kim, H.Y., Gao, G., Wang, N., Zhu, J., Feng, H., Gorring, M., Kasner, M.L., and Hou, S., 2012, "Adsorption Behavior of EDTA-Graphene Oxide for Pb (II) 10 Removal, " ACS Appl. Mater. Interfaces, 4(3): 1186-1193. Claims What is claimed is:
Materials described outside the worked examples.
chelating agent modified graphene oxide
G(A-B)x
metal nanoparticles
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–1000000 nm | — |
Thickness | 0.385–5 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,133,034Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Park, Sungjin and Ruoff, Rodney s., 2009, "Chemical methods for the production of graphenes," Nature Nanotechnology, 4(4): 217-24. 30 2. Sharma, S., Ganguly, A., Papakonstantinou, P., Miao, X.P., Li, M.X., Hutchison, J.L., Delichatsios, M., Ukleja, S., 2010, "Rapid Microwave Synthesis of C O Tolerant Reduced Graphene Oxide-Supported Platinum Electrocatalysts for Page 33 of 41 Oxidation of Methanol," Journal of Physical Chemistry C, 114: 19459-19466.
5. The chelating agent modified graphene oxide of claim 1, wherein said linking moiety is -O-Si(-OR)2(- CH₂)m -; wherein R' is H, or C l -C₁₂ alkyl, m=1-12.
Page 38 of 41 15. A method of using chelating agent modified graphene oxide of claim 1 to produce metal catalysts, comprising the steps of: (i) solubilizing or dispersing said chelating agent 5 modified graphene oxide in aqueous or organic solvent; (ii) adding to the solution or suspension in step (i) a salt of the metal selected from the group of salts of Ni, Co, Fe, Pt, Ru, Au, Cr, Cu, Mg, Mn, Mo, Rh, 10 Si, Ta, Ti, W, U, V, Zr, or Li to form a metal complex; and (iii) precipitating metal complex of said chelating agent modified graphene oxide from step (ii) to produce micro particles or nano particles of said 15 metal nanoparticles for use as catalyst.
Liu, J.M., Meng, H., Li, J.I., Liao, S.J., and Bu, J.H., 2007, "Preparation of high performance Pt/CNT catalysts 5 stabilized by ethylenediaminetetraacetic acid disodium salt," Fuel Cell 7: 402-407.
Madadrang, C.J., Kim, H.Y., Gao, G., Wang, N., Zhu, J., Feng, H., Gorring, M., Kasner, M.L., and Hou, S., 2012, "Adsorption Behavior of EDTA-Graphene Oxide for Pb (II) 10 Removal, " ACS Appl. Mater. Interfaces, 4(3): 1186-1193. Claims What is claimed is:
Materials described outside the worked examples.
chelating agent modified graphene oxide
G(A-B)x
metal nanoparticles
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–1000000 nm | — |
Thickness | 0.385–5 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,133,034Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Park, Sungjin and Ruoff, Rodney s., 2009, "Chemical methods for the production of graphenes," Nature Nanotechnology, 4(4): 217-24. 30 2. Sharma, S., Ganguly, A., Papakonstantinou, P., Miao, X.P., Li, M.X., Hutchison, J.L., Delichatsios, M., Ukleja, S., 2010, "Rapid Microwave Synthesis of C O Tolerant Reduced Graphene Oxide-Supported Platinum Electrocatalysts for Page 33 of 41 Oxidation of Methanol," Journal of Physical Chemistry C, 114: 19459-19466.
5. The chelating agent modified graphene oxide of claim 1, wherein said linking moiety is -O-Si(-OR)2(- CH₂)m -; wherein R' is H, or C l -C₁₂ alkyl, m=1-12.
Page 38 of 41 15. A method of using chelating agent modified graphene oxide of claim 1 to produce metal catalysts, comprising the steps of: (i) solubilizing or dispersing said chelating agent 5 modified graphene oxide in aqueous or organic solvent; (ii) adding to the solution or suspension in step (i) a salt of the metal selected from the group of salts of Ni, Co, Fe, Pt, Ru, Au, Cr, Cu, Mg, Mn, Mo, Rh, 10 Si, Ta, Ti, W, U, V, Zr, or Li to form a metal complex; and (iii) precipitating metal complex of said chelating agent modified graphene oxide from step (ii) to produce micro particles or nano particles of said 15 metal nanoparticles for use as catalyst.
Liu, J.M., Meng, H., Li, J.I., Liao, S.J., and Bu, J.H., 2007, "Preparation of high performance Pt/CNT catalysts 5 stabilized by ethylenediaminetetraacetic acid disodium salt," Fuel Cell 7: 402-407.
Madadrang, C.J., Kim, H.Y., Gao, G., Wang, N., Zhu, J., Feng, H., Gorring, M., Kasner, M.L., and Hou, S., 2012, "Adsorption Behavior of EDTA-Graphene Oxide for Pb (II) 10 Removal, " ACS Appl. Mater. Interfaces, 4(3): 1186-1193. Claims What is claimed is:
Materials described outside the worked examples.
chelating agent modified graphene oxide
G(A-B)x
metal nanoparticles
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–1000000 nm | — |
Thickness | 0.385–5 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,133,034Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Park, Sungjin and Ruoff, Rodney s., 2009, "Chemical methods for the production of graphenes," Nature Nanotechnology, 4(4): 217-24. 30 2. Sharma, S., Ganguly, A., Papakonstantinou, P., Miao, X.P., Li, M.X., Hutchison, J.L., Delichatsios, M., Ukleja, S., 2010, "Rapid Microwave Synthesis of C O Tolerant Reduced Graphene Oxide-Supported Platinum Electrocatalysts for Page 33 of 41 Oxidation of Methanol," Journal of Physical Chemistry C, 114: 19459-19466.
5. The chelating agent modified graphene oxide of claim 1, wherein said linking moiety is -O-Si(-OR)2(- CH₂)m -; wherein R' is H, or C l -C₁₂ alkyl, m=1-12.
Page 38 of 41 15. A method of using chelating agent modified graphene oxide of claim 1 to produce metal catalysts, comprising the steps of: (i) solubilizing or dispersing said chelating agent 5 modified graphene oxide in aqueous or organic solvent; (ii) adding to the solution or suspension in step (i) a salt of the metal selected from the group of salts of Ni, Co, Fe, Pt, Ru, Au, Cr, Cu, Mg, Mn, Mo, Rh, 10 Si, Ta, Ti, W, U, V, Zr, or Li to form a metal complex; and (iii) precipitating metal complex of said chelating agent modified graphene oxide from step (ii) to produce micro particles or nano particles of said 15 metal nanoparticles for use as catalyst.
Liu, J.M., Meng, H., Li, J.I., Liao, S.J., and Bu, J.H., 2007, "Preparation of high performance Pt/CNT catalysts 5 stabilized by ethylenediaminetetraacetic acid disodium salt," Fuel Cell 7: 402-407.
Madadrang, C.J., Kim, H.Y., Gao, G., Wang, N., Zhu, J., Feng, H., Gorring, M., Kasner, M.L., and Hou, S., 2012, "Adsorption Behavior of EDTA-Graphene Oxide for Pb (II) 10 Removal, " ACS Appl. Mater. Interfaces, 4(3): 1186-1193. Claims What is claimed is:
Materials described outside the worked examples.
chelating agent modified graphene oxide
G(A-B)x
metal nanoparticles
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 10–1000000 nm | — |
Thickness | 0.385–5 nm |
Related documents with shared materials, methods, properties, or citations.
graphene oxide
reduced graphene oxide
EDTA (ethylene diamine triacetate/ethylene diamine triacetic acid)
| — |
Thickness | 0.1–1000000 nm | — |
Thickness | 0.1–100000 nm | — |
Duration | 1800–86400 s | — |
Thickness | 500–4000 cm | — |
Voltage | 0.2–1.2 V | — |
Thickness | 10–10000000 nm | — |
Thickness | 200–600 nm | — |
Duration | 1–64 hours | — |
graphene oxide
reduced graphene oxide
EDTA (ethylene diamine triacetate/ethylene diamine triacetic acid)
| — |
Thickness | 0.1–1000000 nm | — |
Thickness | 0.1–100000 nm | — |
Duration | 1800–86400 s | — |
Thickness | 500–4000 cm | — |
Voltage | 0.2–1.2 V | — |
Thickness | 10–10000000 nm | — |
Thickness | 200–600 nm | — |
Duration | 1–64 hours | — |
graphene oxide
reduced graphene oxide
EDTA (ethylene diamine triacetate/ethylene diamine triacetic acid)
| — |
Thickness | 0.1–1000000 nm | — |
Thickness | 0.1–100000 nm | — |
Duration | 1800–86400 s | — |
Thickness | 500–4000 cm | — |
Voltage | 0.2–1.2 V | — |
Thickness | 10–10000000 nm | — |
Thickness | 200–600 nm | — |
Duration | 1–64 hours | — |
graphene oxide
reduced graphene oxide
EDTA (ethylene diamine triacetate/ethylene diamine triacetic acid)
| — |
Thickness | 0.1–1000000 nm | — |
Thickness | 0.1–100000 nm | — |
Duration | 1800–86400 s | — |
Thickness | 500–4000 cm | — |
Voltage | 0.2–1.2 V | — |
Thickness | 10–10000000 nm | — |
Thickness | 200–600 nm | — |
Duration | 1–64 hours | — |