Abstract:
본 발명은 융제, 활성제, 부활성제 및 증감제를 용액화하여 ZnS, ZnO 및 황과 혼합하는 고액법으로 이루어진 원료혼합 단계; 상기 혼합 시료를 가열하고 유지하는 1차 소성 단계; 1차 소성된 시료를 가열된 순수(혹은 증류수), HCl 수용액, 순수 (혹은 증류수), CH 3 COOH 수용액, 순수(혹은 증류수) KCN 수용액, 순수(혹은 증류수)의 순서대로 이용하여 세척하고 반응 후 남은 물질을 제거하는 1차 세척 및 건조 단계; 상기 건조된 시료를 밀링하고 여기에 2차 첨가물인 활성제, 부활성제 및 증감제로 이루어진 군으로부터 선택되는 적어도 하나의 불순물을 첨가하고 밀링하여 입자상을 큐빅화하는 상전이 단계; 상기 상전이 단계를 마친 시료에 1차 소성에 의해 손실된 황을 보충하기 위해 황을 혼합하는 황 보충 단계; 상기 황이 보충된 시료를 가열하고 유지하는 2차 소성 단계; 2차 소성된 시료를, 소성 온도를 유지하는 상태에서 공기 중으로 직접 꺼내어 식힘으로써 냉각시간 단축 및 휘도를 향상시키는 급냉 단계; 및 상기 급냉 단계를 거친 시료를 1차 세척단계와 동일한 방법으로 세척하는 2차 세척 및 건조 단계를 포함하여 이루어지는 무기형광체 분말 합성방법을 제공한다. 전계방출, 형광체, 발광
Abstract:
PURPOSE: A dye sensitized and ligand metal charge transfer hybrid solar cell and a manufacturing method thereof are provided to improve current density and an open voltage by including a cathode electrode with a nano metal oxide layer. CONSTITUTION: A transparent conductive oxide layer is formed on a transparent substrate(1). An anode electrode(20) is made by forming a metal layer(30) on a transparent conductive oxide layer. An cathode electrode(10) is bonded with the anode electrode. Electrolyte is inserted into the fine hole of the anode electrode. The fine hole is sealed with polymer resin.
Abstract:
PURPOSE: An electrolyte for dye-sensitized solar cell is provided to improve quantum efficiency of dye-sensitized solar cell by including pyridinium iodide-based ionic liquid. CONSTITUTION: An electrolyte for dye-sensitized solar cell comprises an organic solvent, an oxidation-reduction derivative, a pyridinium iodide-based ionic liquid, and t-butylpyridine. The organic solvent is a mixture of one or two kinds selected from ethylene carbonate, propylene carbonate, dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, tetrahydrofuran, 3-methoxypropionitrile and gamma-butyrolactone.
Abstract:
A method for preparing a blue inorganic phosphor powder for an electroluminescent device is provided to improve the brightness and efficiency of phosphor and to reduce the first sintering time. A method for preparing a blue inorganic phosphor powder comprises the steps of solubilizing a flux and an activator salt and mixing it with ZnS and sulfur; firstly sintering it in air for a certain time; washing it with distilled water, a HCl aqueous solution, a CH3COOH aqueous solution and a KCN aqueous solution in turn to remove the material remaining after the reaction; adding an activator salt and a sensitizer to it and milling it to obtain a cubic particle; adding sulfur to it to compensate the sulfur lost in the first sintering process; secondly sintering it in air for a certain time; pulling it to air directly to reduce the cooling time and to improve brightness by rapid cooling; secondly washing it by using the same method above; sieving the dried powder by size; and coating the powder by sol-gel method to form a SiO2 protective film on a ZnS-based phosphor powder.
Abstract:
PURPOSE: A method for sealing dye sensitized solar cell and a method for preparing comprising the sealing method are provided to implement the same photo-conversion efficiency as a conventional dye-sensitized solar cell. CONSTITUTION: In a method for sealing a dye sensitized solar cell(40) and a method for preparing comprising the sealing method are provided to manufacture, a nano-oxide layer having dye thereon is formed on a glass frit border layer to form a cathode electrode(10). A metal layer is formed on the inner side of the glass frit border layer(23) to form an anode electrode. A heat radiation pattern is formed on the glass frit border layer which is formed one of the anode electrode and the cathode electrode. The anode electrode is contacted with the radiation pattern to be sealed by supplying voltage to the heat radiation pattern.
Abstract:
PURPOSE: An electrolyte containing scattering materials for a dye-sensitized solar cell, the dye-sensitized solar cell including the same, and a method for manufacturing the dye-sensitized solar cell are provided to improve the photoelectric efficiency by including ceramic powder or metal powder. CONSTITUTION: A cathode electrode(100) comprises a transparent substrate(110), a transparent conductivity oxide layer(120) and a nano-oxide layer(130). An anode electrode(200) comprises a transparent substrate(210), a transparent conductivity oxide layer(220) and a platinum layer(230). The platinum layer is formed from the platinum catalyst which promotes the reduction reaction of electrolyte. An electrolyte layer(500) is interposed between the anode electrode and the cathode electrode and is made of the liquid electrolyte including ceramic powder or metal powder.
Abstract:
PURPOSE: A synthesis method of inorganic phosphor material powder is provided to improve the processing efficiency using a liquidizing method of an activator and a fluxing agent with a short amount of time. CONSTITUTION: A synthesis method of inorganic phosphor material powder comprises the following steps: liquidizing a fluxing agent, a codopant, an activator, and a sensitizer, and mixing the liquid with ZnS, ZnO and sulfur; firstly sintering to heat and maintain the mixture; washing the heated mixture and drying the mixture to remove the remained material; milling the dried mixture, adding more than on impurity, and milling the mixture again to make a particle shape into a cubic for a phase changing; mixing the phase changed mixture with the sulfur; secondly sintering; cooling the mixture; and washing and drying the mixture.
Abstract:
PURPOSE: A gel type polymer electrolyte for a dye-sensitized solar cell including a scattering layer, the dye-sensitized solar cell including the same, and a method for manufacturing the dye-sensitized solar cell are provided to reduce a hardening time without an additional scattering layer coating process. CONSTITUTION: A cathode electrode(100) is formed on a transparent conductive oxide layer(120,220) and includes a nano oxide layer(130). An anode electrode(200) includes a platinum layer(230) formed on the upper side of the transparent conductive oxide layer. A gel type polymer electrolyte coating layer(500) is interposed between the anode electrode and the cathode electrode.
Abstract:
본 고안은 자석을 이용하여 작업전극과 상대전극을 접합시켜 전해액을 밀봉하는 염료감응형 태양전지 키트에 관한 것이다. 본 고안에서는 두 개의 자석을 염료감응형 태양전지 앞 뒷면에 위치시켜서 자석간의 인력에 의해서 작업전극과 상대전극 사이에서 전해액을 가두는 고분자 필름을 그 작업전극과 상대전극에 밀착시켜 전해액을 밀봉하므로 썰린(Surlyn)과 같은 열가소성 수지가 필요치 않으며, 또한 전기오븐이나 다리미 등과 같은 전열기구도 필요치 않게 된다. 염료감응형 태양전지, 자석, 작업전극, 상대전극, 전해액
Abstract:
본 발명은 금속망에 이온환원촉매(백금, 활성탄, 카본나노튜브 등)이 코팅된 하나의 상대전극과 염료가 흡착된 나노입자 산화물이 코팅된 두 개의 작업전극으로 구성되고, 작업전극과 상대전극 사이에 주입된 전해액, 전해액이 누출되지 않도록 작업전극과 상대전극을 접합하는 필름을 포함하는 샌드위치형 태양전지 및 그 제조방법을 제공한다. 본 발명은 전해액이 통과할 수 있는 전도성 금속망을 이용한 전극제조에 의하여 전해액과 빛이 통과할 수 있는 구조의 전극을 제조하여 가운데에 위치시키고 양단에 전도성 투명판(전도성 투명 유리, 전도성 고분자 필름)을 이용한 전극을 위치시킨 샌드위치형 염료감응 태양전지로 기존의 염료태양전지에 비해 고효율의 태양전지를 제조할 수 있다. 염료감응, 태양전지, 고효율, 나노입자 산화물, 전해질, 샌드위치 형