Abstract:
PURPOSE: A method for realizing a wavelength division multiplexing passive optical network by using an incoherence broadband light source is provided to reduce a space occupied by a device by simplifying a plurality of optical line terminal located in a central base station, reduce cost by sharing components of the optical line terminal, and reduce power consumption. CONSTITUTION: A central base station has a plurality of optical line terminals. The optical line terminal includes a broadband light source, a four-terminal broadband light source combiner connected with output of the broadband light source, an optical wavelength router connected with the four-terminal broadband light source combiner, and optical transmitters and receivers connected with the optical wavelength router. To share the broadband light source, output of a high-output broadband light source(200) is inputted to a 1xN optical power distributor(201), and output ends(202-204) of the 1xN optical power distributor are connected with the four-terminal broadband light source combiner.
Abstract:
본 발명은 단결정 금 나노선을 포함하는 나노 인젝터, 이를 포함하는 생체물질 전달장치 및 상기 나노 인젝터를 이용하여 생활성 물질을 세포내 특정한 위치로 전달하는 방법에 관한 것으로, 상기 나노 인젝터는 생활성 물질이 하기 금 나노선의 표면에 부착되거나 분리될 수 있는 단결정 금 나노선; 및 상기 금 나노선을 지지하여 고정시키고 외부의 전기신호를 상기 금나노선에 전달하며, 표면이 노출되지 않도록 절연체로 코팅된 금속 팁;을 포함하여 이루어진다.
Abstract:
The present invention relates to a nanoinjector including single-crystalline AU nanowires, an apparatus for delivering biomaterials comprising the same, and a method for delivering the biomaterials to a specific site in the cell using the nanoinjector. The nanoinjector comprises: single-crystalline AU nanowires in which the biomaterials are attach to or detached from the surface thereof; and a metal tip supporting and fixing the AU nanowires and delivering electrical signals, and being coated with an insulator not to expose the surface.
Abstract:
PURPOSE: A method to fill lead acetate in a titanium dioxide(TiO2) nanotube is provided to easily fill the lead acetate into the TiO2 nanotube by immersing the TiO2 nanotube which is self-aligned into a lead acetate solution, or by dropping the lead acetate solution on the TiO2 nanotube. CONSTITUTION: A TiO2 nanotube(300) filled with lead acetate inside is composed of the TiO2 nanotube and the lead acetate. The TiO2 nanotube grows vertically by being anodized on a titanium(Ti) sheet(110). A lead acetate filling method includes a step of dropping a lead acetate solution on the TiO2 nanotube, and drying the TiO2 nanotube. A ferroelectric nanotube element manufacturing method includes following steps; the anodized TiO2 nanotube is prepared; the lead acetate is filled in the TiO2 nanotube; and a lead titanate nanotube is formed by depositing PbO on the TiO2 nanotube filled with the lead acetate.
Abstract:
본 발명은 금속, 할로겐화금속, 또는 이들의 혼합물을 선구물질로 이용한 금속 나노플레이트(metal nano-plate)의 제조방법으로, 상세하게는 반응로의 전단부에 위치시킨 금속, 할로겐화금속, 또는 이들의 혼합물을 포함하는 선구물질과 반응로의 후단부에 위치시킨 단결정 기판을 불활성 기체가 흐르는 분위기에서 열처리하여 상기 단결정 기판 상에 단결정체의 금속 나노플레이트(nano-plate)가 형성되는 특징이 있다. 본 발명의 제조방법은 촉매를 사용하지 않는 기상이송법을 이용하여 수 마이크로미터 크기의 금속 나노플레이트를 제조할 수 있으며, 그 공정이 간단하고 재현성있으며, 제조된 나노플레이트가 결함 및 불순물을 포함하지 않는 고 결정성 및 고순도 단결정 상태의 귀금속 나노플레이트인 장점을 가지며, 단결정 기판의 표면 방향을 제어하여 금속 나노플레이트의 형상 및 단결정 기판과의 배향성을 제어할 수 있는 장점을 가지며, 수 마이크로미터 크기의 금속 나노플레이트를 대량생산할 수 있는 장점이 있다. 나노플레이트, 귀금속, 금속, 기상이송법, 기상합성법, 무촉매
Abstract:
PURPOSE: A method for manufacturing metal silicide single crystalline nano-wires and the metal silicide single crystalline nano-wires are provided to adjust the short axial diameters of the nano-wires and secure free-standing properties under a catalyst-free condition and a template-free condition. CONSTITUTION: Iron silicide nano-wires are formed on a substrate by thermally treating a first precursor, a second precursor, and a substrate under an inert gas atmosphere. The first precursor is arranged at the front end part of a reactor and contains iron halide. The second precursor is arranged at the rear end part of the reactor and contains silicon and carbon. The substrate is arranged at the rear end part of the reactor. The relative growth speed of the short axial direction and the long axial direction of the iron silicide nano-wires is controlled according to the weight ratio of the silicon and the carbon. The short axial diameters of the iron silicide nano-wires are controlled without the change of a composition and a crystalline structure according to the weight ratio of the silicon and the carbon.
Abstract:
PURPOSE: A method for fabricating twin-free single crystalline Ag nano-wire is provided to crystallographically make the surface using a vapor-phase transport process which does not use catalyst and organic/inorganic mold. CONSTITUTION: A method for fabricating twin-free single crystalline Ag nano-wire comprises the steps of: vaporizing Ag precursor and transferring the vaporized Ag to a mono crystal substrate through inert gas; forming Ag seeds with an epitaxial relation to the substrate on the mono crystal substrate, wherein the Ag seeds are composed of {001} and {111} planes; and preparing a single crystalline Ag nanowire including no two dimensional plane defects.
Abstract:
PURPOSE: A metal firm crystallization nanoplate and a manufacturing method thereof are provided to manufacture a transition metal binary alloy nanoplate, a noble metal nanoplate, a noble metal binary alloy nanoplate, and a transition metal nanoplate using a vapor phase transport process without using a catalyst. CONSTITUTION: A manufacturing method of a metal firm crystallization nanoplate comprises the following steps: heat-processing a precursor including a metal material, metal halide or their compound at the front-end of a furnace, and a mono crystal substrate positioned at the back-end of the furnace under the flow of inert gas; and forming a single crystalline metal nano plate on the mono crystal substrate. The single crystalline metal nano plate is in a form of a sheet with various angles.
Abstract:
본 발명은 귀금속산화물, 귀금속물질 또는 할로겐화귀금속을 선구물질로 이용한 귀금속 나노와이어의 제조방법 및 귀금속 나노와이어를 제공하며, 상세하게는 반응로의 전단부에 위치시킨 선구물질과 반응로의 후단부에 위치시킨 반도체 또는 부도체 단결정 기판을 불활성 기체가 흐르는 분위기에서 열처리하여 상기 단결정 기판 상에 귀금속 단결정 나노와이어를 형성시키는 제조 방법 및 본 발명의 제조 방법에 의해 제조된 귀금속 나노와이어를 제공한다. 본 발명의 제조방법은 촉매를 사용하지 않는 기상이송법을 이용하여 귀금속 나노와이어를 제조할 수 있어 그 공정이 간단하고 재현성이 있으며, 제조된 나노와이어가 결함 및 불순물을 포함하지 않는 완벽한 단결정 상태의 고순도 고품질 귀금속 나노와이어인 장점을 가지며, 단결정 기판 상에 응집되어 있지 않은 균일한 크기의 귀금속 나노와이어를 대량생산할 수 있는 장점이 있다. 귀금속 산화물, 기상이송법, 기상합성법, 귀금속 나노와이어, Au, Pd, Ag