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US 2014/0154770 A1Published application
Chemically Modified Graphene
AssigneeRutgers, The State University of New Jersey
InventorsMichele Vittadello, Kamil Woronowicz, Manish Chhowalla, Paul G. Falkowski
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Abstract
This disclosure relates to graphene derivatives, as well as related devices including graphene derivatives and methods of using graphene derivatives.
Claims58
A material, comprising:
- a graphene derivative comprising a graphene core and a first pendant group, the first pendant group comprising a metal ion, a nanoparticle, a sulfonate group, an amine group, a quaternary ammonium group, or a chelating group.
A material, comprising:
- a graphene derivative comprising a graphene core and a protein covalently bonded to the graphene core.
A method of preparing graphene oxide, comprising:
- reacting graphite sequentially with an oxidizing acid and an oxidant to form an oxidized graphene;
- washing the oxidized graphene with an aqueous solvent;
- and
- treating the oxidized graphene with a solution containing an intercalant to form graphene oxide.
1 more element
A device for producing hydrogen, comprising:
- a graphene derivative suspended in an aqueous solution, the graphene derivative comprising a graphene core, a first pendant group, and a second pendant group,
- wherein
- the first pendant group comprises a first linking group attached to the graphene core and a photocathode nanoparticle;
- and
- the second pendant group comprises a second linking group attached to the graphene core and a photoanode nanoparticle.
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A device for producing hydrogen, comprising:
- first and second transport layers;
- a first graphene layer comprising a first graphene derivative, the first transport layer between the first graphene layer and the second transport layer;
- and
- a second graphene layer comprising a second graphene derivative, the second transport layer between the first transport layer and the second graphene layer;
- wherein
- the first graphene derivative comprises a first graphene core and a first pendant group, the first pendant group comprising a first linking group covalently bonded to the first graphene core, a first metal ion coordinated with the first linking group, and a first His-tagged protein binding to the first metal ion;
- the second graphene derivative comprises a second graphene core and a second pendant group, the second pendant group comprising a second linking group covalently bonded to the second graphene core, a second metal ion coordinated with the second linking group, and a second His-tagged protein binding to the second metal ion;
- each of the first and second linking group comprises a nitrilotriacetic acid moiety;
- each of the first and second metal ions is Ni2+;
- the first His-tagged protein comprises a His-tagged photosystem I core complex;
- and
- the second His-tagged protein comprises a His-tagged photosystem II core complex.
9 more elements
Dependencies are inferred from the claim text.