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US 9,315,387 B2Granted
Graphene base and method of preparing the same
AssigneeSamsung Electronics Co., Ltd.
InventorsHyeon-jin Shin, Won-mook Choi, Jae-young Choi, Seon-mi Yoon
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Abstract
A graphene base, including: graphene; and a substrate, wherein the graphene is formed directly on at least one surface of the substrate, and at least about 90 percent of an area of the surface of the substrate does not have a graphene wrinkle.
Claims9
A graphene base, comprising:
- a substrate;
- a graphitization catalyst layer disposed on the substrate;
- and
- graphene disposed between the substrate and the graphitization catalyst layer,
- wherein the graphene is formed directly on the at least one surface of the substrate, and at least about 90 percent of an area of the graphene does not have a wrinkle,
- wherein the substrate comprises a glass, gallium nitride, a plastic, polyethylene terephthalate, polyester sulfone, polyethylene napthalate, silica, silicon/silica or a combination thereof,
- wherein the graphitization catalyst layer comprises at least one selected from the group consisting of nickel, cobalt, iron, platinum, gold, aluminum, chromium, copper, magnesium, manganese, molybdenum, rhodium, silicon, thallium, titanium, tungsten, uranium, vanadium, zirconium, ruthenium, and iridium, and
- wherein a length of at least one side of the graphene is equal to or greater than 1 millimeter.
5 more elements
The graphene base of 1, wherein a thickness of the graphitization catalyst layer is about 1 nanometer to about 1 micrometer.
An electrical device, comprising:
- a graphene base, the graphene base comprising
- a substrate;
- a graphitization catalyst layer disposed on the substrate;
- and
- graphene disposed between the substrate and the graphitization catalyst layer;
- wherein the graphene is formed directly on the at least one surface of the substrate, and at least about 90 percent of an area of the graphene does not have a wrinkle,
- wherein the substrate comprises a glass, gallium nitride, a plastic, polyethylene terephthalate, polyester sulfone, polyethylene napthalate, silica, silicon/silica or a combination thereof,
- wherein the graphitization catalyst layer comprises at least one selected from the group consisting of nickel, cobalt, iron, platinum, gold, aluminum, chromium, copper, magnesium, manganese, molybdenum, rhodium, silicon, thallium, titanium, tungsten, uranium, vanadium, zirconium, ruthenium, and iridium, and
- wherein a length of at least one side of the graphene is equal to or greater than 1 millimeter.
6 more elements
Dependencies are inferred from the claim text.