A method for producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of a catalytic metal on a substrate, the catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature in a high-temperature region where a high affinity between the catalytic metal and the substrate is achieved; (c) lowering the temperature of the catalytic metal from the heating temperature to a low -temperature region where a misfit dislocation is introduced between the substrate and the catalytic metal, and lowering the temperature of the catalytic metal so as to satisfy at l east one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is in an intermediate-temperature region having a temperature lower than the heating temperature and higher than the low-temperature, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the intermediate-temperature region is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is a temperature equal to or lower than the upper in it of the low-temperature region.

The method for producing a catalytic metal layer wherein in the step (d), the catalytic metal is crystallized with the temperature maintained at a temperature of (the upper limit of the low-temperature region-150) C or higher.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.7.232.897.1258.989.svg 0.307 3.42 Chemistry Black and white wherein each of the steps (b) to (d) is performed at atmospheric pressure in a hydrogen atmosphere, at atmospheric pressure in an inert atmosphere, or in a vacuum atmosphere.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.12.229.1411.1257.1503.svg 0.307 3.427 Chemistry Black and white wherein the catalytic metal is nickel, the substrate is a sapphire substrate, in the step (b), the temperature of the catalytic metal is raised to the heating temperature in a region having a temperature of 900 ° C or higher and 1400 ° C or lower, the region serving as the high-temperature region, and in the step (c), the temperature of the catalytic metal is lowered from the heating temperature to a temperature of (the heating temperature-100) ° C or lower serving as the upper limit of the low-tempera tu re region, and the temperature of the catalytic metal is lowered so as to satisfy at least one of the first requirement in which the temperature of the catalytic metal is lowered at the rate of temperature decrease while the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C, the region serving as the intermediate-temperature region, and the second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes. Page 3 of 9

A method f or producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of nickel on a sapphire substrate, the nickel serving as a catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature of 900 ° C or higher and 1400 ° C or lower; (c) lowering the temperature of the catalytic metal from the heating temperature to a temperature of (the heating temperature-100) ° C or lower, and lowering the temperature of the catalytic metal so as to satisfy at least one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is lower than the heating temperature and higher than (the heating temperature-100) ° C, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is (the heating temperature-100) ° C or lower.

The method for producing a catalytic metal lay er wherein in the step (a), the film composed of the catalytic metal is formed so as to have a shape capable of being drawn in one strok e.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.6.238.806.1264.898.svg 0.307 3.42 Chemistry Black and white wherein in the step (a), the film composed of the catalytic metal is form e d in such a manner that a portion of the film of th e catalytic metal is juxtaposed to another portion of the film of the catalytic metal via a part free from the catalytic metal.

A method for producing a graphene material, comprising the steps of: (e) growing graphene by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate, the catalytic metal layer being formed by the SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.14.237.1599.2088.1785.svg 0.62 6.17 Graph Black and white (f) separating the graphene serving as a graphene material from the catalytic metal layer.

A method for producing a graphene material, comprising a step of: (e) forming a graphene material by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate to grow graphene, the catalytic metal SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535447.5.229.657.2086.842.svg 0.617 6.19 Graph Black and white wherein in the step (a), the film composed of the catalytic metal is formed so as to have a desired shape, and in the step (e), the graphene m aterial having the desired shape is formed.

A method for producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of a catalytic metal on a substrate, the catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature in a high-temperature region where a high affinity between the catalytic metal and the substrate is achieved; (c) lowering the temperature of the catalytic metal from the heating temperature to a low -temperature region where a misfit dislocation is introduced between the substrate and the catalytic metal, and lowering the temperature of the catalytic metal so as to satisfy at l east one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is in an intermediate-temperature region having a temperature lower than the heating temperature and higher than the low-temperature, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the intermediate-temperature region is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is a temperature equal to or lower than the upper in it of the low-temperature region.

The method for producing a catalytic metal layer wherein in the step (d), the catalytic metal is crystallized with the temperature maintained at a temperature of (the upper limit of the low-temperature region-150) C or higher.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.7.232.897.1258.989.svg 0.307 3.42 Chemistry Black and white wherein each of the steps (b) to (d) is performed at atmospheric pressure in a hydrogen atmosphere, at atmospheric pressure in an inert atmosphere, or in a vacuum atmosphere.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.12.229.1411.1257.1503.svg 0.307 3.427 Chemistry Black and white wherein the catalytic metal is nickel, the substrate is a sapphire substrate, in the step (b), the temperature of the catalytic metal is raised to the heating temperature in a region having a temperature of 900 ° C or higher and 1400 ° C or lower, the region serving as the high-temperature region, and in the step (c), the temperature of the catalytic metal is lowered from the heating temperature to a temperature of (the heating temperature-100) ° C or lower serving as the upper limit of the low-tempera tu re region, and the temperature of the catalytic metal is lowered so as to satisfy at least one of the first requirement in which the temperature of the catalytic metal is lowered at the rate of temperature decrease while the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C, the region serving as the intermediate-temperature region, and the second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes. Page 3 of 9

A method f or producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of nickel on a sapphire substrate, the nickel serving as a catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature of 900 ° C or higher and 1400 ° C or lower; (c) lowering the temperature of the catalytic metal from the heating temperature to a temperature of (the heating temperature-100) ° C or lower, and lowering the temperature of the catalytic metal so as to satisfy at least one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is lower than the heating temperature and higher than (the heating temperature-100) ° C, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is (the heating temperature-100) ° C or lower.

The method for producing a catalytic metal lay er wherein in the step (a), the film composed of the catalytic metal is formed so as to have a shape capable of being drawn in one strok e.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.6.238.806.1264.898.svg 0.307 3.42 Chemistry Black and white wherein in the step (a), the film composed of the catalytic metal is form e d in such a manner that a portion of the film of th e catalytic metal is juxtaposed to another portion of the film of the catalytic metal via a part free from the catalytic metal.

A method for producing a graphene material, comprising the steps of: (e) growing graphene by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate, the catalytic metal layer being formed by the SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.14.237.1599.2088.1785.svg 0.62 6.17 Graph Black and white (f) separating the graphene serving as a graphene material from the catalytic metal layer.

A method for producing a graphene material, comprising a step of: (e) forming a graphene material by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate to grow graphene, the catalytic metal SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535447.5.229.657.2086.842.svg 0.617 6.19 Graph Black and white wherein in the step (a), the film composed of the catalytic metal is formed so as to have a desired shape, and in the step (e), the graphene m aterial having the desired shape is formed.

A method for producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of a catalytic metal on a substrate, the catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature in a high-temperature region where a high affinity between the catalytic metal and the substrate is achieved; (c) lowering the temperature of the catalytic metal from the heating temperature to a low -temperature region where a misfit dislocation is introduced between the substrate and the catalytic metal, and lowering the temperature of the catalytic metal so as to satisfy at l east one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is in an intermediate-temperature region having a temperature lower than the heating temperature and higher than the low-temperature, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the intermediate-temperature region is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is a temperature equal to or lower than the upper in it of the low-temperature region.

The method for producing a catalytic metal layer wherein in the step (d), the catalytic metal is crystallized with the temperature maintained at a temperature of (the upper limit of the low-temperature region-150) C or higher.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.7.232.897.1258.989.svg 0.307 3.42 Chemistry Black and white wherein each of the steps (b) to (d) is performed at atmospheric pressure in a hydrogen atmosphere, at atmospheric pressure in an inert atmosphere, or in a vacuum atmosphere.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.12.229.1411.1257.1503.svg 0.307 3.427 Chemistry Black and white wherein the catalytic metal is nickel, the substrate is a sapphire substrate, in the step (b), the temperature of the catalytic metal is raised to the heating temperature in a region having a temperature of 900 ° C or higher and 1400 ° C or lower, the region serving as the high-temperature region, and in the step (c), the temperature of the catalytic metal is lowered from the heating temperature to a temperature of (the heating temperature-100) ° C or lower serving as the upper limit of the low-tempera tu re region, and the temperature of the catalytic metal is lowered so as to satisfy at least one of the first requirement in which the temperature of the catalytic metal is lowered at the rate of temperature decrease while the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C, the region serving as the intermediate-temperature region, and the second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes. Page 3 of 9

A method f or producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of nickel on a sapphire substrate, the nickel serving as a catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature of 900 ° C or higher and 1400 ° C or lower; (c) lowering the temperature of the catalytic metal from the heating temperature to a temperature of (the heating temperature-100) ° C or lower, and lowering the temperature of the catalytic metal so as to satisfy at least one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is lower than the heating temperature and higher than (the heating temperature-100) ° C, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is (the heating temperature-100) ° C or lower.

The method for producing a catalytic metal lay er wherein in the step (a), the film composed of the catalytic metal is formed so as to have a shape capable of being drawn in one strok e.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.6.238.806.1264.898.svg 0.307 3.42 Chemistry Black and white wherein in the step (a), the film composed of the catalytic metal is form e d in such a manner that a portion of the film of th e catalytic metal is juxtaposed to another portion of the film of the catalytic metal via a part free from the catalytic metal.

A method for producing a graphene material, comprising the steps of: (e) growing graphene by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate, the catalytic metal layer being formed by the SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.14.237.1599.2088.1785.svg 0.62 6.17 Graph Black and white (f) separating the graphene serving as a graphene material from the catalytic metal layer.

A method for producing a graphene material, comprising a step of: (e) forming a graphene material by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate to grow graphene, the catalytic metal SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535447.5.229.657.2086.842.svg 0.617 6.19 Graph Black and white wherein in the step (a), the film composed of the catalytic metal is formed so as to have a desired shape, and in the step (e), the graphene m aterial having the desired shape is formed.

A method for producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of a catalytic metal on a substrate, the catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature in a high-temperature region where a high affinity between the catalytic metal and the substrate is achieved; (c) lowering the temperature of the catalytic metal from the heating temperature to a low -temperature region where a misfit dislocation is introduced between the substrate and the catalytic metal, and lowering the temperature of the catalytic metal so as to satisfy at l east one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is in an intermediate-temperature region having a temperature lower than the heating temperature and higher than the low-temperature, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the intermediate-temperature region is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is a temperature equal to or lower than the upper in it of the low-temperature region.

The method for producing a catalytic metal layer wherein in the step (d), the catalytic metal is crystallized with the temperature maintained at a temperature of (the upper limit of the low-temperature region-150) C or higher.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.7.232.897.1258.989.svg 0.307 3.42 Chemistry Black and white wherein each of the steps (b) to (d) is performed at atmospheric pressure in a hydrogen atmosphere, at atmospheric pressure in an inert atmosphere, or in a vacuum atmosphere.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535444.12.229.1411.1257.1503.svg 0.307 3.427 Chemistry Black and white wherein the catalytic metal is nickel, the substrate is a sapphire substrate, in the step (b), the temperature of the catalytic metal is raised to the heating temperature in a region having a temperature of 900 ° C or higher and 1400 ° C or lower, the region serving as the high-temperature region, and in the step (c), the temperature of the catalytic metal is lowered from the heating temperature to a temperature of (the heating temperature-100) ° C or lower serving as the upper limit of the low-tempera tu re region, and the temperature of the catalytic metal is lowered so as to satisfy at least one of the first requirement in which the temperature of the catalytic metal is lowered at the rate of temperature decrease while the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C, the region serving as the intermediate-temperature region, and the second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in the region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes. Page 3 of 9

A method f or producing a catalytic metal layer, comprising the steps of: (a) forming a film composed of nickel on a sapphire substrate, the nickel serving as a catalytic metal having the function of promoting graphenization; (b) raising the temperature of the catalytic metal to a heating temperature of 900 ° C or higher and 1400 ° C or lower; (c) lowering the temperature of the catalytic metal from the heating temperature to a temperature of (the heating temperature-100) ° C or lower, and lowering the temperature of the catalytic metal so as to satisfy at least one of a first requirement in which the temperature of the catalytic metal is lowered at a rate of temperature decrease of 2 ° C/min or more while the temperature of the catalytic metal is lower than the heating temperature and higher than (the heating temperature-100) ° C, and a second requirement in which the temperature of the catalytic metal is lowered in such a manner that the length of time that the temperature of the catalytic metal is in a region having a temperature lower than the heating temperature and higher than (the heating temperature-100) ° C is within 50 minutes; and (d) crystallizing the catalytic metal into a catalytic metal layer while the temperature of the catalytic metal is (the heating temperature-100) ° C or lower.

The method for producing a catalytic metal lay er wherein in the step (a), the film composed of the catalytic metal is formed so as to have a shape capable of being drawn in one strok e.

The method for producing a catalytic metal layer SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.6.238.806.1264.898.svg 0.307 3.42 Chemistry Black and white wherein in the step (a), the film composed of the catalytic metal is form e d in such a manner that a portion of the film of th e catalytic metal is juxtaposed to another portion of the film of the catalytic metal via a part free from the catalytic metal.

A method for producing a graphene material, comprising the steps of: (e) growing graphene by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate, the catalytic metal layer being formed by the SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535446.14.237.1599.2088.1785.svg 0.62 6.17 Graph Black and white (f) separating the graphene serving as a graphene material from the catalytic metal layer.

A method for producing a graphene material, comprising a step of: (e) forming a graphene material by supplying a carbon source to a surface of the catalytic metal layer formed on the substrate to grow graphene, the catalytic metal SVG 14468663.08-26-2014.HZDC₂MHOPXXIFW3.CLM₂5535447.5.229.657.2086.842.svg 0.617 6.19 Graph Black and white wherein in the step (a), the film composed of the catalytic metal is formed so as to have a desired shape, and in the step (e), the graphene m aterial having the desired shape is formed.