Patent application number | Description | Published |
20130247978 | TITANIUM DIOXIDE NANOPARTICLES FOR FABRICATING PHOTO-ELECTRODE FOR EFFICIENT, LONGLASTING DYE-SENSITIZED SOLAR CELL AND FABRICATION METHOD THEREOF - It is disclosed that a photo-electrode of a dye-sensitized solar cell comprising faceted anatase-type titania nanoparticles which adequate for fabricating a photo-electrode of a dye-sensitized solar cell which is efficient and longlasting and a fabrication method thereof. The titania nanoparticles can provide high photoelectric conversion efficiency of the solar cell with help of fast electron mobility due to its high crystallinity and can reduce process time required for adsorbing the dye molecules on the surface of the titania nanoparticles. | 09-26-2013 |
20140131728 | CIGS- OR CZTS-BASED FILM SOLAR CELLS AND METHOD FOR PREPARING THE SAME - Provided is a copper indium gallium selenium (CIGS)- or copper zinc tin sulfur (CZTS)-based solar cell including a back electrode layer and a light-absorbing layer, wherein the light-absorbing layer has a composition of Cu | 05-15-2014 |
20140196775 | SYNTHESIS METHOD OF CU(IN,GA)SE2 NANOROD OR NANOWIRE AND MATERIALS INCLUDING THE SAME - A method of fabricating CIGS nanorod or nanowire according to one exemplary embodiment of the present disclosure comprises a deposition preparation step of placing a raw material including copper, indium, gallium and selenium and a substrate, and a deposition step of growing CIGS nanorod or nanowire on the substrate by maintaining an internal temperature of a reactor, in which carrier gas flows at a constant flow rate, at a temperature in the range of 850 to 1000° C. According to the method, Cu(In,Ga)Se | 07-17-2014 |
20150053980 | PHOTODETECTOR USING SURFACE PLASMON RESONANCE AND IMAGE SENSOR HAVING THE SAME - Disclosed is a photodetector including an electrically conductive substrate, a first electrode formed on the substrate, a second electrode disposed to be spaced apart from the first electrode, a plasmonic nanostructure positioned between the first electrode and the second electrode and having surface plasmon resonance, and a resistance measuring device or an electrical conductivity measuring device connected to the first electrode and the second electrode. | 02-26-2015 |
20150232745 | COATING COMPOSITION HAVING POLYSILAZANE AND WAVELENGTH CONVERTING AGENT AND WAVELENGTH CONVERTING SHEET PREPARED USING THE SAME - There are provided a coating composition having excellent visible light transmittance and photoluminescence properties, and a wavelength converting thin film prepared by using the same. The coating composition according to the present invention includes a solvent, polysilazane, and a wavelength converting agent, and has visible light transmittance of 50% or more with respect to an aqueous solution. According to the present invention, a wavelength converting thin film having excellent visible light transmittance and photoluminescence properties can be prepared. | 08-20-2015 |
20150364632 | SOLAR CELL HAVING WAVELENGTH CONVERTING LAYER AND MANUFACTURING METHOD THEREOF - The present invention relates to a solar cell having a wavelength converting layer formed of a polysilazane and a manufacturing method thereof to allow for low temperature sintering, to protect a wavelength converter from oxidation, degradation, and whitening, and thereby improve efficiency of the solar cell. The present invention provides for the solar cell including the wavelength converting layer which is formed by applying a coating solution containing a solvent, a polysilazane, and a wavelength converter onto a cell and an outer surface or inside of the cell, and then curing, and a manufacturing method of. | 12-17-2015 |
20160090527 | WATER-INSOLUBLE METAL HYDRATE CONTAINING AN ALKALI METAL AND PREPARATION METHODS THEREOF - The present invention relates to a novel method for preparing a water-insoluble metal hydroxide, and a use thereof. The water-insoluble metal hydroxide of the present invention is conveniently and efficiently prepared s through the high-temperature heat treatment step two times and the washing step, and thus contains a small amount of an alkali metal and has a high crystallinity and a phase purity. The water-insoluble metal hydroxide of the present invention or metal oxide therefrom exhibits an absorption wavelength at a low wavelength range (for example, 490 nm or less) and a light emitting wavelength at a high wavelength range (for example, from 500 nm or more to less than 1,100 nm). Accordingly, the water-insoluble metal hydroxide of the present invention may be efficiently used in various applications such as a fire retardant, an antacid, an adsorbent and so forth, and may also be doped with another metal ion to be utilized as a raw material for fabricating a catalyst, a fluorescent material, an electrode material, a secondary battery material and the like. | 03-31-2016 |
20160108312 | MULTICOLOR TUNABLE NANOPHOSPHOR AND ITS SYNTHESIS METHOD AND TRANSPARENT POLYMER COMPOSITE INCLUDING THE NANOPHOSPHOR - The present invention relates to a nanophosphor which may be used as a wavelength conversion part of a solar cell, a fluorescent contrast agent, and a light emitting part of a display device, and a synthesis method thereof. The nanophosphor of the present invention is excited by ultraviolet light to exhibit strong green light emission, and has multicolor light emission characteristics capable of controlling a color such as green, yellowish green, yellow, and orange color by only adjusting the amount of a doping agent. | 04-21-2016 |