Abstract:
PURPOSE: An optical fiber with a carbon nano structure layer, an optical fiber chemical sensor, and a method for forming the carbon nano structure layer on an optical fiber core are provided to improve sensitivity. CONSTITUTION: A carbon nano structure layer(21) is formed on a core of an optical fiber and is selected from a group of graphene, graphite oxide, or carbon nano tube. A core(11) of the optical fiber is selected from a group of glass, plastic, or polymer.
Abstract:
PURPOSE: A chemical modifying method of graphene edge and the graphene manufactured thereby are provided to manufacture the graphene of which electrical property is changed and to improve applicability of the graphene in different transistors. CONSTITUTION: A chemical modifying method of graphene edge includes a step for dry-etching an edge part of grapheme(10) and a step for injecting the etched graphene to a functional group(12). The etched graphene is contacted with liquid offering hydroxide ions. The liquid is water or alcohol. The chemical modifying method of graphene edge includes the following steps: covering graphene with an etching mask; removing the etching masks after dry-etching the graphene; and a step for contacting the graphene with water or alcohol.
Abstract:
PURPOSE: A manufacturing method of graphene is provided to uniformly grow the graphene by providing energy of metal catalyst substrate with a uniform state of a single defense texture side. CONSTITUTION: A manufacturing method of graphene comprises a catalyst metal foil, and the catalyst metal foil comprises a single defense by electroplating with pulse wavelike current and annealing. The temperature of the annealing is 600-1,070 degree Celsius. The ratio of current supplying time of the pulse wavelike current to a resting time is 15:85-85:15. The pulse wavelike current is 1-10A/dm^2. The catalyst metal foil is face-centered cubic lattice(FCC). The catalyst metal foil is a FCC metal foil obtained by plating in the cathode rotary drum.
Abstract:
PURPOSE: A method for forming the pattern of a graphene is provided to maintain the conductive property and visibility property of a graphene by forming the screen area of a touch panel or an electrode region. CONSTITUTION: In a method for forming the pattern of a graphene, a graphene layer(602) is formed in a base substrate. A mask(603) is arranged on the top side of the graphene layer. The substrate having the mask is exposed to outside under oxidization atmosphere. The graphene pattern is formed. The mask is eliminated.
Abstract:
PURPOSE: A method for forming an electrode of a touch panel is provided to offer an electrode forming method including a graphene. CONSTITUTION: Carbon is absorbed into a metal catalytic layer by using a chemistry deposition method. A praphene is grown by cooling the metal catalytic layer. A conduction layer is formed by arranging the graphene on one of substrates(10,130). Electrodes are formed on the surface of the conductive layer by processing the metal catalytic layer.
Abstract:
PURPOSE: A method for manufacturing a graphene sheet, the graphene sheet, and an element using the same are provided to maintain the performance of the graphene sheet regardless of the shape deformation of the element. CONSTITUTION: A graphene growing support includes carbonating catalyst. Carbon source and heat are applied to the support to grow a graphene sheet on the support. Either of the support and the graphene sheet is cooled to form corrugation on the graphene sheet. Either of the height or the width of the graphene sheet is controlled by varying the thickness of the graphene sheet during the graphene sheet growing process.