Abstract:
PURPOSE: A method for forming nano-structures based on pulse laser deposition and an electrode including the nano-structures are provided to obtain nano-structures of uniform thickness without organic materials. CONSTITUTION: A substrate(80) is loaded in a reaction chamber(10). The substrate is non-heated or is heated at temperature lower than 300 degrees Celsius. Laser beam is irradiated to metal oxide targets(70) to form nano-structures on the substrate. The repeating cycle of the laser beam is maintained for 500 minutes between 1 and 10 Hz at a temperature between 0 and 300 degrees Celsius. The compositions of the nano-structures are the same as those of the metal oxide targets. The targets include titanium dioxide, zinc oxide, tin dioxide, niobium oxide, or zinc tin oxide.
Abstract:
PURPOSE: A bio-implantable device and a surface treatment method thereof are provided to enhance coupling power of bone and an implant by forming grooves on the surface of the implant. CONSTITUTION: A surface treatment method of a bio-implantable device comprises: a step forming grooves having the diameter of 10-50 micrometers on the surface of the bio-implantable device; and a step of forming a titanium dioxide nanoporous layer inside the groove. The formation of the groove is performed in a method of removing coated materials with an etching solution after spraying and coating biocompatible materials of a powdered state on the surface of the groove through a low temperature atomizing method. The nanoporous layer is formed through an anodizing method.
Abstract:
광전극은 전극 및 상기 전극 상에 형성되고 표면에 음이온이 흡착된 산화물 반도체 입자를 포함한다. 흡착된 음이온은 산화물 반도체 입자 내의 전자가 반도체와 전해질 계면을 통하여 손실되는 것을 방지한다. 따라서 광전극의 효율을 향상시킬 수 있다. 산 처리, 반도체, 광전극, 태양전지
Abstract:
PURPOSE: The substrate and manufacturing method thereof having antistatic function is proceed the multifunction of the optical catalyst, antistatic, super-hydrophilicity, in-plane generation of heat, base radiation by improving the conductivity. CONSTITUTION: The substrate(10) comprises the base layer(11) and anti-static layer(12) the base layer is composed of the new glass. By coating the titanium dioxide in which the anti-static layer is doped on the base layer to impurity it is formed. The anti-static layer in advance secludes the formation of the dust or the other contamination layer by giving the conductivity to the photo catalyst substance.
Abstract:
PURPOSE: A photo-electrode and a method for forming the same are provided to prevent the loss of electrons in an oxide semiconductor particle through the interface between a semiconductor and electrolyte. CONSTITUTION: An electrode(20) is formed on a glass substrate(10). An oxide semiconductor layer is formed on the electrode. The oxide semiconductor layer includes an oxide semiconductor particle on which a negative ion(60) is absorbed. A photo-resist material(30) is absorbed on the surface of the oxide semiconductor particle. An acid treatment is performed to the electrode.
Abstract:
구강용 조성물이 제공된다. 상기 구강용 조성물은 휘트록카이트를 포함한다. 상기 휘트록카이트는 Ca 20 - y X y (HPO 4 ) 2 (PO 4 ) 12 의 화학식을 갖고, 상기 X는 칼슘 이외의 양이온을 나타내며, Ca:X:P의 비율이 (1.28±0.2):(0.14±0.02):1일 수 있다. 상기 구강용 조성물은 불소 이온을 더 포함할 수 있다. 상기 구강용 조성물은 상기 휘트록카이트를 포함하는 것에 의해 우수한 세정 효과를 가질 수 있고, 상기 불소 이온을 포함하는 것에 의해 충치 예방 효과를 가질 수 있다.
Abstract:
An oral composition is provided. The oral composition contains whitlockite. The whitlockite is represented by chemical formula, Ca_20-yXy(HPO_4)_2(PO_4)_12. In chemical formula, the X is any kind of cation except calcium, and the ratio of Ca:X:P is able to be (1.28±0.2):(0.14±0.02):1. The oral composition also contains fluorine ions. The oral composition is able to have an excellent cleansing effect by containing the whitlockite and have an anticavity effect by containing the fluorine ions.
Abstract:
The present invention relates to a biodegradable or biocompatible drug delivery carrier containing porous ceramic nanoparticles and a production method of the same. More specifically the present invention relates to the biodegradable or biocompatible drug delivery carrier with drugs containing porous ceramic nanoparticles and the production method of the same.
Abstract:
PURPOSE: A flexible dye-sensitized solar cell using a transparent polymer film, and a manufacturing method thereof are provided to facilitate carrying and installation by forming the solar cell without a glass substrate. CONSTITUTION: A photoelectrode(100) is formed into a mesh structure. A counter electrode(200) is separated from the photoelectrode. A semiconductor oxide(300) forms a porous particle layer by being deposited on the photoelectrode. A dye is absorbed on the particle surface of the semiconductor oxide. A catalyst medium is coated on the counter electrode.
Abstract:
PURPOSE: A nano structured scattering layer, a manufacturing method thereof, and a dye sensitized solar cell including the same are provided to improve a light scattering property. CONSTITUTION: A light absorption layer(110) includes nano particles. A nano structured scattering layer structure includes a light scattering layer(150) with a quasi-inverse opal structure including a plurality of hollow parts(160) which are irregularly arranged. The light absorption layer and the light scattering layer have titanium oxide.