Patent
US 9,950,931Title: CROSS- LINKED GRAPHENE NETWORKS
GALLASTEGUI, Ainara Garcia, SHAFFER, Milo, ALYOUBI, Abdulrahman O, ASIRI, Abdullah M
12 September 2013·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,950,931Claims 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 producing an aerogel or xeroge l compri s ing graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing graphene, graphene oxide or a mixture thereof in a sol v ent compatible therewith; b) cros s- linking said graphene, graphene oxide or a mixture thereof by use of a coupling agent via functional groups pr esent on the graphene and/or the graphene oxide, or with a link ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a cova l entl y cross-linked gel network, w herein said coupling agent is selected from the group consisting of N,N '- dicyclohexylcarbodiimide (DCC), NN' -diisopropy l carbodii m ide (DIC), e thy l -(N'.N'- din ethyla n ino)propyl c arbodiimide hydrochloride (EDC), 4- (N,N -dimethylam ino) pyridine (DMAP), (benzotriazol- I- yl oxy)tris(di m ethylamino)phosphonium hex afl uorophosphate (13P), (be n zotriazo l- I y loxy)tripyrro l idinophos p honiu m hexafluorophosphate, bromotripyrrolidinophosphonium hexafluorophosphate, 0- (benzotriazo l-i-yl)-N,N,N', N'-tetra mn eth yl uroni um hexaf l uorophosphate (HBT U), 0- (benzotriaz oi-l- yl)- N,N,N ',N'- tetramethyluronium tetrafluoroborate (TB TU), 0--(7- azaben zotriazol-1-yl) -N,N, N',N' -tetra methyi uroni um hexafl u orophosph ate (H ATU), 0 -(6- chlorobenzotriazo l-l-yl)- N,N,N ',N'- tetrameth yl uroni um hexafluorophosphate (I-ICTU), 0- (3,4-Dihydro -4 -oxo -1,2,3-benzotriazine -3-yl)-N N,N',N' t etram ethy lur o niu m tetrafluoroborate (T DB TU), 3-(diethy l phosp h oryl oxv)-1,2,3 benzotriazin-4(3 -lI)-one (D EPBT) and carbony l dilmidazo le (CDI), and mixtures thereof; and c) removing said solvent to produce a cross-linked aerogel or xerogel with a solvent content of les s t han 10 %. Previously presented
The method according to claim 1, wherein said cross-linking is carried out directly on th e graphene pristine surface with a molecule selected from the group consisting of b is(diazonium) salts and multifunctional molecules suitable for 1,3-dipolar cycloadditions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molec ule. Original
(P r eviously presented) The method according to claim 1, further comprising th e step of capping residual functional groups on the graphenes prior to the removal of the solvent. Previously presented
The method accordin g to claim 1, wherein said removal of solvent is carried out by solvent exchange with at least one sol vent having lower surface tension than the solvent used in step (a). Previously presented
2 1. An aerogel or xeroge l obtainable by a method according to claim 1. Withdrawn
2- 10. Canceled
Canceled
13-14. Canceled
Canceled
The method according to c laim 1, wherein said solvent is selected from the group consis ti ng of di m eth yl for m amide, ben z ene, dich l oromethane, ch lorobenzene, dich l orobenzene, chloroform, toluene, xylene. dioxane, dimethylsu l foxide, tetrahydrofur a n, a mide solvents and mixtures thereof. Previously presented
18-20. Canceled
Canceled
22. Canceled
2 3. An aer o gel having a density of fr om 1 to 3000 mg/cm 3, comprising a network of graphenes. Withdrawn
Canceled
26-31. Canceled
Canceled
(Withdra w n) A method of heating a graphene or graphene oxide aerogel or x e rog el comprising the steps of: a) providing a graphene aerogel or xerogel, or a grap hene oxide aerogel, xerogel or g e l; and b) applying an electrical current thereto. Withdrawn
A gas or liquid heating dev ic e comprising an a e rogel, xerogel obtainable by a method according to claim 32. Withdrawn
33-38. Canceled
Canceled
40-4 1. Canceled
Canceled
(P reviously presented) A m ethod of producing an aerogel or xeroge l compr ising graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing grap hene, graphene oxide or a mixture thereof in a solvent compatible therewith; b) cross-linking said graphene, graphene oxide or a mixture thereof via functional groups present o n the graphene and/or the graphene oxide, or with a li nk ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a covalent ly cross-linked gel network, wherein said cr o ss-linkin g is carried out directly on the graphene pristine surface with a molecule selected from the group consisting of bis(diazonium) salts and multifunctional molecules suitable for 1,3- dipolar cycloaddi t ions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molecule; a nd c) removing said solvent to produce a cross-linked aerogel or xero gel with a solven t content of les s than 10 %. Previously presented
(P reviously presented) The method according to claim 42, wherein said cross-linking is achieved by using a coupling agent or by a dehydration step. Previously presented
(P reviously presented) The method according t o claim 42, further comprising t he s t ep of capping residual functional groups on the graphenes prior to the removal of th e solvent. Previously presented
(P reviously presented) The method according to claim 42, wherein said solvent is selected from the group c onsisting of dimethyl for m amide, benzene, dich l oromethane, chl orobenzene, dich l orobenzene, chloroform, toluene, x yl ene, dioxane, dimet h ylsu l foxide, tetrahydrofuran, amide solvents and mixtures thereof. Previously presented
(P reviously presented) The method according to claim 42, wherein said removal of solvent is carried out by solvent exchange with at least one solvent having lo w er surface tension than the solvent used in step (a). Previously presented
(P reviously presented) The method according to claim 4 7, wherein said solvent exchange is carried out using acetone, followed by C₃-C io hydrocarbon, siloxane or fluorinated C₃- C1m hydrocarbon. Previously presented
49-50. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
cross-linked graphene aerogel or xerogel
graphene aerogel with density 1 to 3000 mg/cm3
Materials described outside the worked examples.
graphene
graphene oxide
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 1–3000 mg/cm3 | graphene |
Duration | 1–12 hours |
Patent
Atlas literature
Patent
US 9,950,931Claims 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 producing an aerogel or xeroge l compri s ing graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing graphene, graphene oxide or a mixture thereof in a sol v ent compatible therewith; b) cros s- linking said graphene, graphene oxide or a mixture thereof by use of a coupling agent via functional groups pr esent on the graphene and/or the graphene oxide, or with a link ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a cova l entl y cross-linked gel network, w herein said coupling agent is selected from the group consisting of N,N '- dicyclohexylcarbodiimide (DCC), NN' -diisopropy l carbodii m ide (DIC), e thy l -(N'.N'- din ethyla n ino)propyl c arbodiimide hydrochloride (EDC), 4- (N,N -dimethylam ino) pyridine (DMAP), (benzotriazol- I- yl oxy)tris(di m ethylamino)phosphonium hex afl uorophosphate (13P), (be n zotriazo l- I y loxy)tripyrro l idinophos p honiu m hexafluorophosphate, bromotripyrrolidinophosphonium hexafluorophosphate, 0- (benzotriazo l-i-yl)-N,N,N', N'-tetra mn eth yl uroni um hexaf l uorophosphate (HBT U), 0- (benzotriaz oi-l- yl)- N,N,N ',N'- tetramethyluronium tetrafluoroborate (TB TU), 0--(7- azaben zotriazol-1-yl) -N,N, N',N' -tetra methyi uroni um hexafl u orophosph ate (H ATU), 0 -(6- chlorobenzotriazo l-l-yl)- N,N,N ',N'- tetrameth yl uroni um hexafluorophosphate (I-ICTU), 0- (3,4-Dihydro -4 -oxo -1,2,3-benzotriazine -3-yl)-N N,N',N' t etram ethy lur o niu m tetrafluoroborate (T DB TU), 3-(diethy l phosp h oryl oxv)-1,2,3 benzotriazin-4(3 -lI)-one (D EPBT) and carbony l dilmidazo le (CDI), and mixtures thereof; and c) removing said solvent to produce a cross-linked aerogel or xerogel with a solvent content of les s t han 10 %. Previously presented
The method according to claim 1, wherein said cross-linking is carried out directly on th e graphene pristine surface with a molecule selected from the group consisting of b is(diazonium) salts and multifunctional molecules suitable for 1,3-dipolar cycloadditions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molec ule. Original
(P r eviously presented) The method according to claim 1, further comprising th e step of capping residual functional groups on the graphenes prior to the removal of the solvent. Previously presented
The method accordin g to claim 1, wherein said removal of solvent is carried out by solvent exchange with at least one sol vent having lower surface tension than the solvent used in step (a). Previously presented
2 1. An aerogel or xeroge l obtainable by a method according to claim 1. Withdrawn
2- 10. Canceled
Canceled
13-14. Canceled
Canceled
The method according to c laim 1, wherein said solvent is selected from the group consis ti ng of di m eth yl for m amide, ben z ene, dich l oromethane, ch lorobenzene, dich l orobenzene, chloroform, toluene, xylene. dioxane, dimethylsu l foxide, tetrahydrofur a n, a mide solvents and mixtures thereof. Previously presented
18-20. Canceled
Canceled
22. Canceled
2 3. An aer o gel having a density of fr om 1 to 3000 mg/cm 3, comprising a network of graphenes. Withdrawn
Canceled
26-31. Canceled
Canceled
(Withdra w n) A method of heating a graphene or graphene oxide aerogel or x e rog el comprising the steps of: a) providing a graphene aerogel or xerogel, or a grap hene oxide aerogel, xerogel or g e l; and b) applying an electrical current thereto. Withdrawn
A gas or liquid heating dev ic e comprising an a e rogel, xerogel obtainable by a method according to claim 32. Withdrawn
33-38. Canceled
Canceled
40-4 1. Canceled
Canceled
(P reviously presented) A m ethod of producing an aerogel or xeroge l compr ising graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing grap hene, graphene oxide or a mixture thereof in a solvent compatible therewith; b) cross-linking said graphene, graphene oxide or a mixture thereof via functional groups present o n the graphene and/or the graphene oxide, or with a li nk ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a covalent ly cross-linked gel network, wherein said cr o ss-linkin g is carried out directly on the graphene pristine surface with a molecule selected from the group consisting of bis(diazonium) salts and multifunctional molecules suitable for 1,3- dipolar cycloaddi t ions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molecule; a nd c) removing said solvent to produce a cross-linked aerogel or xero gel with a solven t content of les s than 10 %. Previously presented
(P reviously presented) The method according to claim 42, wherein said cross-linking is achieved by using a coupling agent or by a dehydration step. Previously presented
(P reviously presented) The method according t o claim 42, further comprising t he s t ep of capping residual functional groups on the graphenes prior to the removal of th e solvent. Previously presented
(P reviously presented) The method according to claim 42, wherein said solvent is selected from the group c onsisting of dimethyl for m amide, benzene, dich l oromethane, chl orobenzene, dich l orobenzene, chloroform, toluene, x yl ene, dioxane, dimet h ylsu l foxide, tetrahydrofuran, amide solvents and mixtures thereof. Previously presented
(P reviously presented) The method according to claim 42, wherein said removal of solvent is carried out by solvent exchange with at least one solvent having lo w er surface tension than the solvent used in step (a). Previously presented
(P reviously presented) The method according to claim 4 7, wherein said solvent exchange is carried out using acetone, followed by C₃-C io hydrocarbon, siloxane or fluorinated C₃- C1m hydrocarbon. Previously presented
49-50. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
cross-linked graphene aerogel or xerogel
graphene aerogel with density 1 to 3000 mg/cm3
Materials described outside the worked examples.
graphene
graphene oxide
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 1–3000 mg/cm3 | graphene |
Duration | 1–12 hours |
Patent
Atlas literature
Patent
US 9,950,931Claims 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 producing an aerogel or xeroge l compri s ing graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing graphene, graphene oxide or a mixture thereof in a sol v ent compatible therewith; b) cros s- linking said graphene, graphene oxide or a mixture thereof by use of a coupling agent via functional groups pr esent on the graphene and/or the graphene oxide, or with a link ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a cova l entl y cross-linked gel network, w herein said coupling agent is selected from the group consisting of N,N '- dicyclohexylcarbodiimide (DCC), NN' -diisopropy l carbodii m ide (DIC), e thy l -(N'.N'- din ethyla n ino)propyl c arbodiimide hydrochloride (EDC), 4- (N,N -dimethylam ino) pyridine (DMAP), (benzotriazol- I- yl oxy)tris(di m ethylamino)phosphonium hex afl uorophosphate (13P), (be n zotriazo l- I y loxy)tripyrro l idinophos p honiu m hexafluorophosphate, bromotripyrrolidinophosphonium hexafluorophosphate, 0- (benzotriazo l-i-yl)-N,N,N', N'-tetra mn eth yl uroni um hexaf l uorophosphate (HBT U), 0- (benzotriaz oi-l- yl)- N,N,N ',N'- tetramethyluronium tetrafluoroborate (TB TU), 0--(7- azaben zotriazol-1-yl) -N,N, N',N' -tetra methyi uroni um hexafl u orophosph ate (H ATU), 0 -(6- chlorobenzotriazo l-l-yl)- N,N,N ',N'- tetrameth yl uroni um hexafluorophosphate (I-ICTU), 0- (3,4-Dihydro -4 -oxo -1,2,3-benzotriazine -3-yl)-N N,N',N' t etram ethy lur o niu m tetrafluoroborate (T DB TU), 3-(diethy l phosp h oryl oxv)-1,2,3 benzotriazin-4(3 -lI)-one (D EPBT) and carbony l dilmidazo le (CDI), and mixtures thereof; and c) removing said solvent to produce a cross-linked aerogel or xerogel with a solvent content of les s t han 10 %. Previously presented
The method according to claim 1, wherein said cross-linking is carried out directly on th e graphene pristine surface with a molecule selected from the group consisting of b is(diazonium) salts and multifunctional molecules suitable for 1,3-dipolar cycloadditions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molec ule. Original
(P r eviously presented) The method according to claim 1, further comprising th e step of capping residual functional groups on the graphenes prior to the removal of the solvent. Previously presented
The method accordin g to claim 1, wherein said removal of solvent is carried out by solvent exchange with at least one sol vent having lower surface tension than the solvent used in step (a). Previously presented
2 1. An aerogel or xeroge l obtainable by a method according to claim 1. Withdrawn
2- 10. Canceled
Canceled
13-14. Canceled
Canceled
The method according to c laim 1, wherein said solvent is selected from the group consis ti ng of di m eth yl for m amide, ben z ene, dich l oromethane, ch lorobenzene, dich l orobenzene, chloroform, toluene, xylene. dioxane, dimethylsu l foxide, tetrahydrofur a n, a mide solvents and mixtures thereof. Previously presented
18-20. Canceled
Canceled
22. Canceled
2 3. An aer o gel having a density of fr om 1 to 3000 mg/cm 3, comprising a network of graphenes. Withdrawn
Canceled
26-31. Canceled
Canceled
(Withdra w n) A method of heating a graphene or graphene oxide aerogel or x e rog el comprising the steps of: a) providing a graphene aerogel or xerogel, or a grap hene oxide aerogel, xerogel or g e l; and b) applying an electrical current thereto. Withdrawn
A gas or liquid heating dev ic e comprising an a e rogel, xerogel obtainable by a method according to claim 32. Withdrawn
33-38. Canceled
Canceled
40-4 1. Canceled
Canceled
(P reviously presented) A m ethod of producing an aerogel or xeroge l compr ising graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing grap hene, graphene oxide or a mixture thereof in a solvent compatible therewith; b) cross-linking said graphene, graphene oxide or a mixture thereof via functional groups present o n the graphene and/or the graphene oxide, or with a li nk ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a covalent ly cross-linked gel network, wherein said cr o ss-linkin g is carried out directly on the graphene pristine surface with a molecule selected from the group consisting of bis(diazonium) salts and multifunctional molecules suitable for 1,3- dipolar cycloaddi t ions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molecule; a nd c) removing said solvent to produce a cross-linked aerogel or xero gel with a solven t content of les s than 10 %. Previously presented
(P reviously presented) The method according to claim 42, wherein said cross-linking is achieved by using a coupling agent or by a dehydration step. Previously presented
(P reviously presented) The method according t o claim 42, further comprising t he s t ep of capping residual functional groups on the graphenes prior to the removal of th e solvent. Previously presented
(P reviously presented) The method according to claim 42, wherein said solvent is selected from the group c onsisting of dimethyl for m amide, benzene, dich l oromethane, chl orobenzene, dich l orobenzene, chloroform, toluene, x yl ene, dioxane, dimet h ylsu l foxide, tetrahydrofuran, amide solvents and mixtures thereof. Previously presented
(P reviously presented) The method according to claim 42, wherein said removal of solvent is carried out by solvent exchange with at least one solvent having lo w er surface tension than the solvent used in step (a). Previously presented
(P reviously presented) The method according to claim 4 7, wherein said solvent exchange is carried out using acetone, followed by C₃-C io hydrocarbon, siloxane or fluorinated C₃- C1m hydrocarbon. Previously presented
49-50. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
cross-linked graphene aerogel or xerogel
graphene aerogel with density 1 to 3000 mg/cm3
Materials described outside the worked examples.
graphene
graphene oxide
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 1–3000 mg/cm3 | graphene |
Duration | 1–12 hours |
Patent
Atlas literature
Patent
US 9,950,931Claims 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 producing an aerogel or xeroge l compri s ing graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing graphene, graphene oxide or a mixture thereof in a sol v ent compatible therewith; b) cros s- linking said graphene, graphene oxide or a mixture thereof by use of a coupling agent via functional groups pr esent on the graphene and/or the graphene oxide, or with a link ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a cova l entl y cross-linked gel network, w herein said coupling agent is selected from the group consisting of N,N '- dicyclohexylcarbodiimide (DCC), NN' -diisopropy l carbodii m ide (DIC), e thy l -(N'.N'- din ethyla n ino)propyl c arbodiimide hydrochloride (EDC), 4- (N,N -dimethylam ino) pyridine (DMAP), (benzotriazol- I- yl oxy)tris(di m ethylamino)phosphonium hex afl uorophosphate (13P), (be n zotriazo l- I y loxy)tripyrro l idinophos p honiu m hexafluorophosphate, bromotripyrrolidinophosphonium hexafluorophosphate, 0- (benzotriazo l-i-yl)-N,N,N', N'-tetra mn eth yl uroni um hexaf l uorophosphate (HBT U), 0- (benzotriaz oi-l- yl)- N,N,N ',N'- tetramethyluronium tetrafluoroborate (TB TU), 0--(7- azaben zotriazol-1-yl) -N,N, N',N' -tetra methyi uroni um hexafl u orophosph ate (H ATU), 0 -(6- chlorobenzotriazo l-l-yl)- N,N,N ',N'- tetrameth yl uroni um hexafluorophosphate (I-ICTU), 0- (3,4-Dihydro -4 -oxo -1,2,3-benzotriazine -3-yl)-N N,N',N' t etram ethy lur o niu m tetrafluoroborate (T DB TU), 3-(diethy l phosp h oryl oxv)-1,2,3 benzotriazin-4(3 -lI)-one (D EPBT) and carbony l dilmidazo le (CDI), and mixtures thereof; and c) removing said solvent to produce a cross-linked aerogel or xerogel with a solvent content of les s t han 10 %. Previously presented
The method according to claim 1, wherein said cross-linking is carried out directly on th e graphene pristine surface with a molecule selected from the group consisting of b is(diazonium) salts and multifunctional molecules suitable for 1,3-dipolar cycloadditions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molec ule. Original
(P r eviously presented) The method according to claim 1, further comprising th e step of capping residual functional groups on the graphenes prior to the removal of the solvent. Previously presented
The method accordin g to claim 1, wherein said removal of solvent is carried out by solvent exchange with at least one sol vent having lower surface tension than the solvent used in step (a). Previously presented
2 1. An aerogel or xeroge l obtainable by a method according to claim 1. Withdrawn
2- 10. Canceled
Canceled
13-14. Canceled
Canceled
The method according to c laim 1, wherein said solvent is selected from the group consis ti ng of di m eth yl for m amide, ben z ene, dich l oromethane, ch lorobenzene, dich l orobenzene, chloroform, toluene, xylene. dioxane, dimethylsu l foxide, tetrahydrofur a n, a mide solvents and mixtures thereof. Previously presented
18-20. Canceled
Canceled
22. Canceled
2 3. An aer o gel having a density of fr om 1 to 3000 mg/cm 3, comprising a network of graphenes. Withdrawn
Canceled
26-31. Canceled
Canceled
(Withdra w n) A method of heating a graphene or graphene oxide aerogel or x e rog el comprising the steps of: a) providing a graphene aerogel or xerogel, or a grap hene oxide aerogel, xerogel or g e l; and b) applying an electrical current thereto. Withdrawn
A gas or liquid heating dev ic e comprising an a e rogel, xerogel obtainable by a method according to claim 32. Withdrawn
33-38. Canceled
Canceled
40-4 1. Canceled
Canceled
(P reviously presented) A m ethod of producing an aerogel or xeroge l compr ising graphene, graphene oxide or a mixture thereof, comprising the steps of: a) dispersing grap hene, graphene oxide or a mixture thereof in a solvent compatible therewith; b) cross-linking said graphene, graphene oxide or a mixture thereof via functional groups present o n the graphene and/or the graphene oxide, or with a li nk ing molecule comprising at least two functional sites capable of reacting with the surface of said graphene and/or graphene oxide, to form a covalent ly cross-linked gel network, wherein said cr o ss-linkin g is carried out directly on the graphene pristine surface with a molecule selected from the group consisting of bis(diazonium) salts and multifunctional molecules suitable for 1,3- dipolar cycloaddi t ions or Bingel condensations, or by the reduction of the graphenes followed by the reaction of the graphenes with an electrophilic cross-linking molecule; a nd c) removing said solvent to produce a cross-linked aerogel or xero gel with a solven t content of les s than 10 %. Previously presented
(P reviously presented) The method according to claim 42, wherein said cross-linking is achieved by using a coupling agent or by a dehydration step. Previously presented
(P reviously presented) The method according t o claim 42, further comprising t he s t ep of capping residual functional groups on the graphenes prior to the removal of th e solvent. Previously presented
(P reviously presented) The method according to claim 42, wherein said solvent is selected from the group c onsisting of dimethyl for m amide, benzene, dich l oromethane, chl orobenzene, dich l orobenzene, chloroform, toluene, x yl ene, dioxane, dimet h ylsu l foxide, tetrahydrofuran, amide solvents and mixtures thereof. Previously presented
(P reviously presented) The method according to claim 42, wherein said removal of solvent is carried out by solvent exchange with at least one solvent having lo w er surface tension than the solvent used in step (a). Previously presented
(P reviously presented) The method according to claim 4 7, wherein said solvent exchange is carried out using acetone, followed by C₃-C io hydrocarbon, siloxane or fluorinated C₃- C1m hydrocarbon. Previously presented
49-50. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
cross-linked graphene aerogel or xerogel
graphene aerogel with density 1 to 3000 mg/cm3
Materials described outside the worked examples.
graphene
graphene oxide
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 1–3000 mg/cm3 | graphene |
Duration | 1–12 hours |
mixture of graphene and graphene oxide
| — |
Voltage | 0.5–150 V | — |
Voltage | 5–100 V | — |
Voltage | 10–30 V | — |
Voltage | 0.001–20 V | — |
Voltage | 0.005–10 V | — |
Voltage | 0.1–1 V | — |
Thickness | 0.1–50 cm | — |
Thickness | 1–20 cm | — |
Thickness | 2–10 cm | — |
Temperature | 373–1273 K | — |
Temperature | 473–773 K | — |
Temperature | 373–823 K | — |
Temperature | 423–773 K | — |
Temperature | 473–723 K | — |
Temperature | 100–1000 °C | — |
Temperature | 200–600 °C | — |
Temperature | 300–400 °C | — |
Temperature | 15–60 °C | — |
Temperature | 20–30 °C | — |
Duration | 0.1–50 hours | — |
Thickness | 0.001–100 mm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 200 nm | — |
Temperature | ≥ 120 °C | — |
Temperature | ≥ 150 °C | — |
Temperature | ≥ 130 °C | — |
Temperature | ≥ 500 °C | — |
mixture of graphene and graphene oxide
| — |
Voltage | 0.5–150 V | — |
Voltage | 5–100 V | — |
Voltage | 10–30 V | — |
Voltage | 0.001–20 V | — |
Voltage | 0.005–10 V | — |
Voltage | 0.1–1 V | — |
Thickness | 0.1–50 cm | — |
Thickness | 1–20 cm | — |
Thickness | 2–10 cm | — |
Temperature | 373–1273 K | — |
Temperature | 473–773 K | — |
Temperature | 373–823 K | — |
Temperature | 423–773 K | — |
Temperature | 473–723 K | — |
Temperature | 100–1000 °C | — |
Temperature | 200–600 °C | — |
Temperature | 300–400 °C | — |
Temperature | 15–60 °C | — |
Temperature | 20–30 °C | — |
Duration | 0.1–50 hours | — |
Thickness | 0.001–100 mm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 200 nm | — |
Temperature | ≥ 120 °C | — |
Temperature | ≥ 150 °C | — |
Temperature | ≥ 130 °C | — |
Temperature | ≥ 500 °C | — |
mixture of graphene and graphene oxide
| — |
Voltage | 0.5–150 V | — |
Voltage | 5–100 V | — |
Voltage | 10–30 V | — |
Voltage | 0.001–20 V | — |
Voltage | 0.005–10 V | — |
Voltage | 0.1–1 V | — |
Thickness | 0.1–50 cm | — |
Thickness | 1–20 cm | — |
Thickness | 2–10 cm | — |
Temperature | 373–1273 K | — |
Temperature | 473–773 K | — |
Temperature | 373–823 K | — |
Temperature | 423–773 K | — |
Temperature | 473–723 K | — |
Temperature | 100–1000 °C | — |
Temperature | 200–600 °C | — |
Temperature | 300–400 °C | — |
Temperature | 15–60 °C | — |
Temperature | 20–30 °C | — |
Duration | 0.1–50 hours | — |
Thickness | 0.001–100 mm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 200 nm | — |
Temperature | ≥ 120 °C | — |
Temperature | ≥ 150 °C | — |
Temperature | ≥ 130 °C | — |
Temperature | ≥ 500 °C | — |
mixture of graphene and graphene oxide
| — |
Voltage | 0.5–150 V | — |
Voltage | 5–100 V | — |
Voltage | 10–30 V | — |
Voltage | 0.001–20 V | — |
Voltage | 0.005–10 V | — |
Voltage | 0.1–1 V | — |
Thickness | 0.1–50 cm | — |
Thickness | 1–20 cm | — |
Thickness | 2–10 cm | — |
Temperature | 373–1273 K | — |
Temperature | 473–773 K | — |
Temperature | 373–823 K | — |
Temperature | 423–773 K | — |
Temperature | 473–723 K | — |
Temperature | 100–1000 °C | — |
Temperature | 200–600 °C | — |
Temperature | 300–400 °C | — |
Temperature | 15–60 °C | — |
Temperature | 20–30 °C | — |
Duration | 0.1–50 hours | — |
Thickness | 0.001–100 mm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 200 nm | — |
Temperature | ≥ 120 °C | — |
Temperature | ≥ 150 °C | — |
Temperature | ≥ 130 °C | — |
Temperature | ≥ 500 °C | — |