Abstract: The present disclosure relates to a pharmaceutical composition for preventing or treating neurodegenerative diseases, the pharmaceutical composition including a graphene nanostructure as an active ingredient.

Abstract: The present specification provides a functional contact lens including: a lens substrate having a spherically curved surface so as to be worn on an eyeball; and a functional layer provided on at least one surface of the lens substrate and including a graphene sheet, and a method for manufacturing the same.

Abstract: The present disclosure provides a method for manufacturing a flexible device having a pattern of a two-dimensional material formed thereon includes: a step of forming a two-dimensional material layer on a substrate; a step of forming a pattern of the two-dimensional material; a step of coating a flexible substrate solution on the patterned two-dimensional material layer and curing the same; and a step of removing the substrate.

Abstract: The present invention relates to a transferring method of graphene using a self-adhesive film.

Abstract: A graphene roll-to-roll coating apparatus and a graphene roll-to-roll coating method are provided on the basis of a continuous process.

Abstract: The present invention relates to a method for producing graphene on a face-centered cubic metal catalyst having a plane oriented in one direction, and more particularly to a method of producing graphene on a metal catalyst having the (100) or (111) crystal structure and a method of producing graphene using a catalyst metal foil having a single orientation, obtained by electroplating a metal catalyst by a pulse wave current and annealing the metal catalyst. The invention also relates to a method of producing graphene using a metal catalyst, and more particularly to a method of producing graphene, comprising the steps of: alloying a metal catalyst with an alloying element; forming step structures on the metal catalyst substrate in an atmosphere of a gas having a molecular weight of carbon; and supplying hydrocarbon and hydrogen gases to the substrate. On unidirectionally oriented metal catalyst prepared according to the present invention, graphene can be grown uniformly and epitaxially.

Abstract: A graphene sheet and a method of manufacturing the graphene sheet are provided. The method includes: growing a graphene sheet on a graphene growth support by applying carbon sources and heat to the graphene growth support, the graphene growth support including a carbonization catalyst; and forming at least one ripple on the graphene sheet by cooling at least one of the graphene growth support and the graphene sheet, wherein the graphene growth support and the graphene sheet have different thermal expansion coefficients.

Abstract: Disclosed is an apparatus and method of manufacturing a graphene film, wherein the apparatus includes a wrinkle flattening device configured to flatten wrinkles in a lamination structure including a base substrate and a graphene film laminated on the base substrate; and a first lamination apparatus configured to laminate a first substrate on the graphene film, wherein the wrinkle flattening device applies a vacuum to the base substrate when the wrinkle flattening device is in contact with the base substrate.

Abstract: A method for shielding electromagnetic waves by using grapheme formed on inside or outside a device having an electromagnetic wave generating source and/or by using graphene formed on a substrate, an electromagnetic shielding material and film including the graphene, and an electronic or electric device including the electromagnetic wave shielding film.

Abstract: The present disclosure relates to a pharmaceutical composition for preventing or treating neurodegenerative diseases, the pharmaceutical composition including a graphene nanostructure as an active ingredient.

Abstract: A method of fabricating multi-layered graphene includes disposing a first graphene layer on a carrier; disposing at least one second graphene layer on the first graphene layer to form a graphene sheet disposed on the carrier; and transferring the graphene sheet disposed on the carrier onto a substrate, wherein each of the graphene layers which constitute the graphene sheet has at least one damaged region, and the at least one damaged region of each of the graphene layers contacts at least one of non-damaged regions of a graphene layer or graphene layers, of the graphene layers, contacting the each of the graphene layers.

Abstract: A graphene roll-to-roll coating apparatus and a graphene roll-to-roll coating method are provided on the basis of a continuous process.

Abstract: A method for chemical modification of graphene includes dry etching graphene to provide an etched graphene; and introducing a functional group at an edge of the etched graphene. Also disclosed is graphene, including an etched edge portion, the etched portion including a functional group.

Abstract: A patterning method of a graphene, including a step of forming a graphene layer on a polymer substrate; and a step of forming a nanopattern in the graphene layer by hot embossing imprinting. The step of forming a nanopattern in the graphene layer by hot embossing imprinting includes contacting a hot mold, in which a nanopattern is formed, or contacting a roll-to-roll hot mold, in which a nanopattern is formed, to the graphene layer, followed by heating and pressing the graphene layer. In the step of forming a nanopattern in the graphene layer, the graphene layer is cleaved by a protrusion of the nanopattern formed on the hot mold or the hot roll-to-roll mold, and the cleaved graphene is present on each of a protrusion and a recessed portion of the nanopattern formed in the polymer substrate under the graphene later.

Abstract: The present invention relates to a passive layer including graphene for the attenuation of near-field electromagnetic waves and heat dissipation. The passive layer blocks electromagnetic waves radiated from an external electronic device or prevents electromagnetic waves generated in an electronic device from emitting to the outside. The passive layer is designed to reduce interference between transmission circuits of a device in the near-field region or influence such as malfunction caused by external electromagnetic waves. The present invention also relates to an electromagnetic device and a circuit board, each including the passive layer.

Abstract: The present invention relates to a method for producing graphene on a face-centered cubic metal catalyst having a plane oriented in one direction, and more particularly to a method of producing graphene on a metal catalyst having the (100) or (111) crystal structure and a method of producing graphene using a catalyst metal foil having a single orientation, obtained by electroplating a metal catalyst by a pulse wave current and annealing the metal catalyst. The invention also relates to a method of producing graphene using a metal catalyst, and more particularly to a method of producing graphene, comprising the steps of: alloying a metal catalyst with an alloying element; forming step structures on the metal catalyst substrate in an atmosphere of a gas having a molecular weight of carbon; and supplying hydrocarbon and hydrogen gases to the substrate. On unidirectionally oriented metal catalyst prepared according to the present invention, graphene can be grown uniformly and epitaxially.

Abstract: The invention relates to an optic fiber having a core in which carbon nano-structures are formed at a predetermined locus, a fiber optic chemical sensor using the optic fiber, and a method of forming the carbon nano-structure layer in the core of the optic fiber. The invention utilizes gas refractive index and the adsorption sensitivity of particles on the surface of the carbon nano-structure layer, and uses the carbon nano-structure layer in the core of the optic fiber as a sensor for particles of gas, liquid and the like.

Abstract: The present disclosure relates to a graphene roll-to-roll transfer method, a graphene roll-to-roll transfer apparatus, a graphene roll manufactured by the graphene roll-to-roll transfer method, and uses thereof.

Abstract: The present disclosure relates to a variable focus lens containing graphene, a preparing method of the variable focus lens, a focus controlling method of the variable focus lens, and a display device including the variable focus lens.

Abstract: The present disclosure relates to roll-to-roll doping method of graphene film, and doped graphene film.