Abstract:
PURPOSE: A solar cell is provided to increase efficiency of solar cell by having a rear surface electric field area and a fixed charge area together. CONSTITUTION: A solar cell includes a semiconductor substrate, a rear surface passivation film(131), a rear surface electrode(140), a barrier film(132). The rear surface passivation film is positioned in the rear surface of the semiconductor substrate. The rear surface electrode is positioned in the one side of the rear surface passivation film and is formed from a conductive paste which includes conductive power and metal glass. The barrier film is positioned between the rear surface passivation film and the rear surface electrode and has a non-through property about metal glass.
Abstract:
PURPOSE: A conductive paste is provided to improve conductivity of an electrode, to reduce contact resistance with a lower film, to prevent deterioration of a passivation layer, and to improve efficiency of a device. CONSTITUTION: A conductive paste comprises a conductive powder(10); a metallic glass(20); metal nanoparticles having a lower surface melting point than the glass transition temperature of the metal glass; and an organic vehicle(40). The metallic glass has a glass transition temperature of 600 °C or less. The metallic nanoparticle has a surface melting point of 400 or less. A solar cell comprises a semiconductor substrate; and an electrode which is connected to the semiconductor substrate, and formed by using the conductive paste.
Abstract:
PURPOSE: A carbon fiber coated with dielectric films is provided to remove the limit of using a substrate due to heat deformation. CONSTITUTION: A carbon fiber includes a carbon fiber core and a dielectric film. The diameter of the carbon fiber is 1um-1mm. The dielectric constant of the dielectric film is 5-500. The breakdown electric field strength of dielectric film is 1-50MV/cm. The thickness of the dielectric film is 0.01- 100 um. The dielectric film is selected from the group of al2O3, siO2, tiO2, V2O3, WO3, ta2O5, Nb 2 O 5 and Nb 2 O of 5.
Abstract:
PURPOSE: An electric-field electron emitter, an electric-field electron emitting element including the emitter, and a method for manufacturing the same are provided to reduce a manufacturing cost by integrating a metal electrode and an electric-field emitting tip. CONSTITUTION: A carbon nano-tube(121) is integrated to metal electrodes(120, 140) and is protruded on the surface of the electrodes. The electrode additionally contains nucleic acid. The nano-tube of electrodes is plated with the nucleic acid. The electrodes contains one or more metal from a group including Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Pd, Ag, Au, Hg, Pt, Ta, Mo, Zr, Ta, Mg, Sn, Ge, Y, Nb, Tc, Ru, Rh, Lu, Hf, W, Re, Os, Ir, Lr, Rf, Db, Sg, Bh, Hs, Mt, Ds, Rg and Uub.
Abstract:
The multilayer electroluminescent device and a method of manufacture the same is provided to obtain light source having reproducibility and the high brightness high by simplifying the wiring and driving method. A plurality of multiple layers is laminated with the constant interval. The multiple layer comprises the inner electrode and light-emitting layer. The light-emitting layer is formed on the inner electrode. The outer electrode is positioned in both sides of the multiple layer. The outer electrodes are by turns connected to inner electrodes of the multiple layer. The dielectric layer is positioned between a plurality of multiple layers. The inner electrode of the multiple layer connected to the outer electrode of one side is not connected to the outer electrode of the other side.
Abstract:
전자증폭기 및 그 제조방법이 개시된다. 개시된 전자증폭기는, 복수개의 관통홀이 마련되어진 기판과, 관통홀의 측벽에 적층되는 저항층과, 저항층 상에 증착되며 탄소나노튜브를 포함하는 전자방출층과, 기판의 상부 및 하부에 형성되는 전극을 구비한다. 개시된 전자증폭기는, 저온에서 전자방출율이 높은 균일한 전자방출층을 구비하므로 전자증폭율이 향상될 수 있으며, 개시된 전자증폭기 제조방법은 전자증폭기를 저가로 대량생산할 수 있다는 장점이 있다. 전자 증폭기, 탄소나노튜브
Abstract:
탄소나노튜브를 포함하는 전자소자 및 그 제조방법이 개시된다. 개시된 전자소자는, 탄소나노튜브와 금속사이에 상기 탄소나노튜브와 상기 금속을 화학적으로 결합시키는 결합물질이 개재되어 있으며 결합물질은 복수의 작용기를 가진다. 개시된 전자소자 제조방법은, 기판에 금속을 형성시키는 제1단계와, 탄소나노튜브를 용액에 분산시키는 제2단계와, 탄소나노튜브를 포함하는 용액에 금속과 반응하는 복수의 작용기를 가지는 결합물질을 첨가하는 제3단계 및, 용액에 기판을 넣어 탄소나노튜브를 금속에 결합시키는 제4단계를 포함한다. 본 발명은 탄소나노튜브의 농도조절이 가능하여 전자방출율을 조절할 수 있으며, 저가로 대량생산이 가능한 잇점을 가진다. 전자방출소자, 탄소나노튜브, 다이싸이올, 멀캅토실란
Abstract:
유기막을 채용한 전사필름 및 이를 이용한 금속막 형성방법이 개시된다. 개시된 전사필름은, 용매를 사용하여 제거할 수 있는 유기막; 상기 유기막 위에 형성된 금속막;을 포함하는 것을 특징으로 한다. 또한, 개시된 금속막 형성방법은, (가)제1기판 위에, 유기막을 형성하는 단계와 상기 유기막 위에 금속막을 형성하는 단계를 포함하여, 전사필름을 형성하는 단계와; (나)상기 전사필름을 상기 제1기판으로부터 분리하는 단계와; (다)제2기판 위에, 상기 분리된 전사필름을 상기 금속막이 상기 제2기판을 향하도록 결합하는 단계; 및 (라)용매를 사용하여 상기 유기막을 상기 금속막으로부터 제거하는 단계;를 포함하는 것을 특징으로 한다.
Abstract:
A carbon nano tube gas sensor and a fabrication process thereof are provided to reduce response time and recovery time by improving a gas reactive property and sensibility. A carbon nano tube gas sensor includes a substrate, an insulating layer, a pair of electrodes(20a,20b), and a carbon nano tube barrier rib(10). The insulating layer is formed on the substrate. The electrodes are formed on the insulating layer. The carbon nano tube barrier rib is protruded higher than the electrodes at a space between the electrodes, so as to be a gas sensing space. The carbon nano barrier rib is formed by patterning and sintering only a portion of the carbon nano tube pastes coated between the electrodes using a photolithography method.