Abstract:
PURPOSE: A manufacturing method of multiple graphene layers is provided to efficiently generate graphene of high density and to reduce defects in the graphene by directly forming the graphene on a substrate. CONSTITUTION: A manufacturing method of multiple graphene layers includes the following: a graphite-metal catalyst layer(14) is formed on a substrate(11); graphene(13) is formed on the graphite-metal catalyst layer; the graphite-metal catalyst layer forming process and the graphene forming process are repeated to form a stacked body of the graphite-metal catalyst layer and the graphene; and the graphite metal catalyst layer is removed from the stacked body.
Abstract:
PURPOSE: A carbon nanotube composition, a carbon nanotube film structure, a liquid crystal display device, a method for manufacturing the carbon nanotube film structure, and a method for manufacturing the liquid crystal display device are provided to generate a chemical reaction between reactive functional groups and between a reactive functional group and a substrate by supplying external energy. CONSTITUTION: A carbon nanotube composition includes a dispersing agent with a reactive functional group and a dispersing medium. The reactive functional group includes polarity and includes at least one element selected from a group including C, H, O, N, S, and P. The dispersing medium includes first liquid and second liquid. The first liquid is hydrophilic property. The second liquid is mixed with the first liquid. A carbon nanotube film structure(120) includes a substrate and a carbon nanotube film stacked on the substrate.
Abstract:
PURPOSE: A thin film transistor and flat panel display device with the same are provided to use a graphene layer as a semiconductor layer, thereby enhancing electrical features. CONSTITUTION: A substrate supports a thin film transistor. A semiconductor layer is composed of a graphene layer and a control layer. The size of grapheme is larger than 1 mm∧2. A metal atomic layer is interposed between the graphene layer and the control layer. A light emitting device is electrically connected to the thin film transistor.
Abstract translation:目的:提供一种薄膜晶体管及其平板显示装置,以使用石墨烯层作为半导体层,从而增强电气特性。 构成:衬底支撑薄膜晶体管。 半导体层由石墨烯层和控制层构成。 字形大小大于1 mm ^ 2。 金属原子层介于石墨烯层和控制层之间。 发光器件电连接到薄膜晶体管。
Abstract:
본 발명은 탄소나노튜브를 금속성 탄소나노튜브와 반도체성 탄소나노튜브로 선택적으로 분리하는 방법으로서, 분산제; 탄소나노튜브; 및 용매를 포함하는 혼합액을 준비하는 단계; 상기 혼합액에서 상기 탄소나노튜브를 분산시키는 단계; 및 상기 탄소나노튜브가 분산된 혼합액으로부터 반도체성 탄소나노튜브를 분리하는 단계;를 포함하며, 상기 분산제가 헤드(Head)부 및 테일(Tail)부로 이루어진 반복 단위를 2 내지 24개 포함하는 올리고머이며, 상기 헤드부가 1 내지 5개의 방향족 헤테로 고리를 포함하며, 상기 테일부가 상기 헤드부에 연결된 하나의 탄화수소 사슬을 포함하는 것을 특징으로 하는 선택적 분리 방법을 개시한다. 본 발명의 선택적 분리 방법은 금속성 탄소나노튜브와 반도체성 탄소나노 튜브에 대한 선택성이 높은 올리고머 분산제를 사용함으로써 금속성 탄소나노튜브와 반도체성 탄소나노튜브를 높은 수율로 분리할 수 있다. 탄소나노튜브, 분산제
Abstract:
다결정 실리콘 박막 및 이를 적용하는 박막 트랜지스터의 제조방법이 개시된다. 개시된 다결정 실리콘 박막의 제조방법은 기판 상에 비정질 실리콘으로 활성층을 형성하는 단계; 상기 활성층에 금 나노로드를 도포하는 단계; 상기 금 나노로드에 적외선 영역의 광을 조사하여 상기 활성층을 결정화 시키는 단계;를 포함한다.
Abstract:
A method for forming a nano dot, a memory device using the same, and a manufacturing method thereof are provided to suppress diffusion of metal component by forming a graphene shell or a graphene layer on a surface of a metal nano dot. A metal nano dot(10) is prepared. Material of the metal nano dot is Ni, Co, Fe, Pt, Au, Al, Cr, Cu, Mg, Mn, Mo, Rh, Si, Ta, Ti, W, U, V, or Zr. The metal nano dot has a function of a graphitization catalyst. A polymer corning process is performed(S1). A polymer(12) is coated on a surface of the metal nano dot. A thermal process about the metal nano dot including the polymer is performed under an inert atmosphere or a reducing atmosphere(S2). The polymer is thermally decomposed by the graphitization catalyst in the thermal process. A surface of the metal nano dot is covered with a graphene layer(14) or a graphene shell. A dot graphene shell is obtained by melting a metal component of the nano dot coated by the graphene layer with acid.
Abstract:
본 발명은 망상의 탄소나노튜브 박막층을 포함하는 탄소나노튜브 투명전극 및 그의 제조방법에 관한 것으로, 보다 자세하게는 투명 기판 위에 망상의 탄소나노튜브 박막층을 포함하는 탄소나노튜브 투명전극 및 입자물질과 탄소나노튜브로 박막을 형성한 후 입자물질을 제거하여 망상의 탄소나노튜브 박막층을 형성하는 단계를 포함하는 탄소나노튜브 투명전극의 제조방법에 관한 것이다. 본 발명에 의한 탄소나노튜브 투명전극은 광투과도가 유지되면서도 전기전도성이 우수하여 이미지센서, 태양전지, 액정 디스플레이 장치, 유기 EL 디스플레이, 터치 스크린 패널 등과 같이 광투과 특성과 전기전도성 등 두 가지 특성을 동시에 필요로 하는 각종 전자 소자에 폭 넓게 사용될 수 있다. 탄소나노튜브(CNT), 투명전극, 망상의 탄소나노튜브 박막층, 입자물질, 콜로이드 입자
Abstract:
A carbon nanotube(CNT) in which electronic is injected is provided to control easily doping of the carbon nanotube and electrical property such as band-gap etc. by diversifying treatment condition of reducing agent. A carbon nanotube(CNT) in which electronic is injected is generated using a reducing agent, and p-type doped CNT, neutral doped CNT, n-type doped CNT and a mixture thereof. An optical extinction rate of S11/S22 is 0.5 or greater. The reducing agent is a metal hydride, an organic reduction solvent or a hydrogen gas. The metal hydride is a borohydride system or an aluminum hydride. The organic reduction solvent is a hydrazine(N2H4), a glycol or a diol solvent.
Abstract:
A carbon nanotube (CNT) composition containing an amine compound, a CNT thin film using the composition, a method for preparing the CNT thin film and a CNT electrode containing the thin film are provided to reduce the resistance of an electrode for improving electrical conductivity. A carbon nanotube composition containing an amine compound comprises a carbon nanotube; and an amine compound which is used as a dispersion solvent and has a boiling point less than 150 deg.C. Preferably the amine compound can be removed by heat treatment. Preferably the amine compound is butylamine, triethylamine or pyridine.