Class / Patent application number | Description | Number of patent applications / Date published |
136265000 | Copper, lead, or zinc containing | 35 |
20080216895 | Chalcopyrite solar cell and method of manufacturing the same - A single unit cell (herein, referred to as “a unit cell”) is formed out of a lower electrode layer (Mo electrode layer) | 09-11-2008 |
20080223446 | METHOD OF MANUFACTURE OF SEMICONDUCTOR DEVICE AND CONDUCTIVE COMPOSITIONS USED THEREIN - The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) Zn-containing additive wherein the particle size of said zinc-containing additive is in the range of 7 nanometers to less than 100 nanometers; (c) glass frit wherein said glass frit has a softening point in the range of 300 to 600° C.; dispersed in (d) organic medium. | 09-18-2008 |
20080283122 | Beta-Substituted Porphyrins - The invention relates to ÿ-substituted porphyrins, methods for their synthesis, and their use in the preparation of photoelectric materials. In particular, the invention relates to solid state photoelectric devices, including solar cells and photodetectors, incorporating these photoelectric materials, with improved photon-to-current conversion efficiencies. | 11-20-2008 |
20090065060 | CHALCOPYRITE TYPE SOLAR CELL - A first electrode layer | 03-12-2009 |
20090126797 | ELECTRODE PASTE FOR SOLAR CELL AND SOLAR CELL ELECTRODE USING THE PASTE - An electrode paste for a solar cell comprising electrically conductive particles, lead-free glass frit, a resin binder and zinc oxide particles, wherein zinc oxide particles having a specific surface area of 6 m | 05-21-2009 |
20090139574 | PREPARATION OF NANOPARTICLE MATERIAL - A process for producing nanoparticles incorporating ions selected from groups 13, 16, and 11 or 12 of the periodic table, and materials produced by the process. In an embodiment, the process includes effecting conversion of a nanoparticle precursor composition comprising group 13, 16, and 11 or 12 ions to the material of the nanoparticles in the presence of a selenol compound. Other embodiments include a process for fabricating a thin film including nanoparticles incorporating ions selected from groups 13, 16, and 11 or 12 of the periodic table as well as a process for producing a printable ink formulation including the nanoparticles. | 06-04-2009 |
20090205715 | Chalcopyrite Solar Cell and Manufacturing Method Thereof - A solar cell having high conversion efficiency and excellent flexibility is realized. A mica substrate or laminated mica substrate is used as substrate | 08-20-2009 |
20090288709 | CONDUCTIVE PASTE FOR FORMING OF ELECTRODE OF CRYSTALLINE SILICON SUBSTRATE - A conductive paste for forming electrodes, which makes it possible to form an electrode for a crystalline silicon substrate that is low in cost and has an equal degree of contact resistance and ohmic electrical contact, as compared to conventional silver electrode pastes, is obtained. | 11-26-2009 |
20100000607 | All-gaseous deposition of nanocomposite films - The present invention provides a method of producing a nanocomposite film on a substrate. The method involves co-deposition of gaseous lead salt clusters in a conducting polymer film, such as a conductive polythiophene, on the substrate. The polymer film preferably is simultaneously deposited with the lead salt clusters, e.g., by co-depositing organic monomers and/or oligomers onto the substrate in the presence of gaseous lead salt clusters. Preferred lead salts are PbS, PbTe and PbSe. Devices and articles of manufacture including a nanocomposite film of the invention are also disclosed. | 01-07-2010 |
20100018581 | LARGE AREA SOLAR CELL - A polymer solar cell has an anode, cathode and an active layer. The anode has a surface area larger than the cathode. On the anode, in the area with no cathode, is a conducting element in electrical contact with the anode, having a higher conductivity than the anode and substantially surrounding the cathode in order to minimize the distance between any two points on the cathode and the conducting element. The conducting element allows electrons to travel a shorter distance in the anode and through a higher conducting path to an electrical contact. | 01-28-2010 |
20100096014 | Conductive paste for solar cell - A conductive paste for solar cells, which makes it possible to form an electrode for a solar cell that is low in cost and has an equal degree of contact resistance and ohmic electrical contact, as compared to conventional silver electrode pastes, is obtained. | 04-22-2010 |
20100096015 | Metallic Dispersion - A compound film may be formed by formulating a mixture of elemental nanoparticles composed of the Ib, the IIIa, and, optionally, the VIa group of elements having a controlled overall composition. The nanoparticle mixture is combined with a suspension of nanoglobules of gallium to form a dispersion. The dispersion may be deposited onto a substrate to form a layer on the substrate. The layer may then be reacted in a suitable atmosphere to form the compound film. The compound film may be used as a light-absorbing layer in a photovoltaic device. | 04-22-2010 |
20100180950 | LOW-TEMPERATURE SURFACE DOPING/ALLOYING/COATING OF LARGE SCALE SEMICONDUCTOR NANOWIRE ARRAYS - A method and corresponding system for providing a uniform nanowire array including uniform nanowires composed of at least three elements is presented. An embodiment of the method includes growing an array of two-element nanowires, and thereafter uniformly doping or alloying each two-element nanowire, with respect to each other two-element nanowire, with at least one doping or alloying element through a wet chemical synthesis with a precursor solution, to produce the uniform array of nanowires composed of at least three elements. The two-element nanowire can include Zn and O, and the at least one doping or alloying element can be Mg, Cd, Mn, Cu, Be, Fe, and Co. Applications of the three-element nanowire array include solar cells and light emitting diodes with improved efficiencies over existing technologies. | 07-22-2010 |
20100200067 | SUBSTRATE FOR SEMICONDUCTOR DEVICE AND METHOD FOR ITS MANUFACTURE - A metal and oxygen material such as a transparent electrically conductive oxide material is electro deposited onto a substrate in a solution deposition process. Process parameters are controlled so as to result in the deposition of a high quality layer of material which is suitable for use in a back reflector structure of a high efficiency photovoltaic device. The deposition may be carried out in conjunction with a masking member which operates to restrict the deposition of the metal and oxygen material to specific portions of the substrate. In particular instances the deposition may be implemented in a continuous, roll-to-roll process. Further disclosed are semiconductor devices and components of semiconductor devices made by the present process, as well as apparatus for carrying out the process. | 08-12-2010 |
20100229951 | SOLAR CELL, AND METHOD FOR PRODUCING THE SOLAR CELL - A solar cell is provided as one capable of increasing the open voltage when compared with the conventional solar cells. A solar cell according to the present invention has a p-type semiconductor layer containing a group Ib element, a group IIIb element, and a group VIb element, and an n-type semiconductor layer containing a group Ib element, a group IIIb element, a group VIb element, and Zn and formed on the p-type semiconductor layer. A content of the group Ib element in the n-type semiconductor layer is from 15 to 21 at. % to the total number of atoms of the group Ib element, the group IIIb element, the group VIb element, and Zn in the n-type semiconductor layer, and a content of Zn in the n-type semiconductor layer is from 0.005 to 1.0 at. % to the total number of atoms of the group Ib element, the group IIIb element, the group VIb element, and Zn in the n-type semiconductor layer. | 09-16-2010 |
20100243060 | Electrode for photoelectric conversion elements, manufacturing method of the same, and dye-sensitized solar cell - An electrode for photoelectric conversion elements having high initial characteristics and excellent durability, a manufacturing method of the electrode for photoelectric conversion elements, and a dye-sensitized solar cell are provided. An electrode for photoelectric conversion elements according to the present invention has a structure in which a metal oxide layer containing zinc oxide is provided on a base. The metal oxide layer has a plurality of bump-like protrusions formed so as to protrude radially from the base side, and also has an emission peak in a region of 350 to 400 nm in cathodoluminescence measurement. The metal oxide layer is preferably heat treated at 220 to 500° C. | 09-30-2010 |
20110011461 | TRANSPARENT ELECTROCONDUCTIVE OXIDE LAYER AND PHOTOELECTRIC CONVERTER USING THE SAME - The present invention provides a transparent electroconductive oxide layer having a high transmittance and a high electroconductivity and further a thin-film photoelectric converter having a high photoelectric conversion efficiency by applying the transparent electroconductive oxide layer to a transparent electrode layer of a photoelectric converter. The transparent electroconductive oxide layer in the present invention is deposited on a transparent substrate with a first and a second impurities contained in the transparent electroconductive oxide layer, especially in the vicinity of a surface of the layer in a higher concentration, and carbon atoms contained in the vicinity of the surface of the layer, thereby achieving a high transmittance and a high electroconductivity simultaneously and thus solving the problem. | 01-20-2011 |
20110048538 | Suspension or Solution for Organic Optoelectronic Device, Making Method thereof, and Applications - A suspension or solution for an organic optoelectronic device is disclosed. The composition of the suspension or solution includes at least one kind of micro/nano transition metal oxide and a solvent. The composition of the suspension or solution can selectively include at least one kind of transition metal oxide ions or a precursor of transition metal oxide. Moreover, the method of making and applications of the suspension or solution are also disclosed. | 03-03-2011 |
20110056564 | NANOPARTICLES AND METHODS OF MAKING AND USING - A nanoparticle composition is disclosed comprising a copper indium gallium selenide, a copper indium sulfide, or a combination thereof. Also disclosed is a layer comprising the nanoparticle composition. A photovoltaic device comprising the nanoparticle composition and/or the absorbing layer is disclosed. Also disclosed are methods for producing the nanoparticle compositions, absorbing layers, and photovoltaic devices described herein. | 03-10-2011 |
20110067760 | AROMATIC POLYIMIDE FILM, LAMINATE AND SOLAR CELL - Disclosed is a polyimide film prepared from an aromatic tetracarboxylic acid component and an aromatic diamine component, which has a dimensional change from 25° C. to 500° C. within a range of from −0.3% to +0.6% based on the initial dimension at 25° C. The polyimide film may be used as a substrate for a CIS solar cell. | 03-24-2011 |
20110108118 | THIN-FILM SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A thin-film solar cell in which a transparent electrode having fine surface irregularities with small surface roughness and substantially uniform in-plane resistance is realized can be obtained by forming a plurality of first transparent conductive films separated from one another in a substrate surface on a transparent insulative substrate, forming a second transparent conductive film on the first transparent conductive films, etching the second transparent conductive film in a granular shape and forming first granular members dispersed on the first transparent conductive films, forming a power generation layer on the first transparent conductive films and on the dispersed first granular members, forming a rear-side electrode layer on the power generation layer. | 05-12-2011 |
20110132462 | MODIFIED COPPER-ZINC-TIN SEMICONDUCTOR FILMS, USES THEREOF AND RELATED METHODS - Provided herein are multicomponent semiconductor films having a broad range of bandgaps and charge carrier characteristics. The semiconductor films include copper, zinc, tin, at least one substitutional metal and at least one chalcogen. Substitutional metals include those capable of substituting for a portion of copper, zinc, or both in the semiconductor films. Also disclosed are methods for making the films, including single-bath electrodeposition methods, and devices incorporating the films, including photovoltaic devices. | 06-09-2011 |
20120118386 | P-TYPE TRANSPARENT CONDUCTIVE OXIDES AND SOLAR CELLS WITH P-TYPE TRANSPARENT CONDUCTIVE OXIDES - A p-type transparent conductive oxide and a solar cell containing the p-type transparent conducting oxide, wherein the p-type transparent conductive oxide includes a molybdenum trioxide doped with an element having less than six valence electrons, the element is selected from the group consisting of alkali metals, alkaline earth metals, group III elements, group IV, group V, transition elements and their combinations. Doping an element having less than six valence electron results in hole number increase, and thus increasing the hole drift velocity, and making Fermi level closer to the range of p-type materials. Hence, a p-type transparent conductive material is generated. This p-type transparent conducting oxide not only has high electron hole drift velocity, low resistivity, but also reaches a transmittance of 88% in the visible wavelength range, and therefore it is very suitable to be used in solar cells. | 05-17-2012 |
20130167933 | INTRINSIC OXIDE BUFFER LAYERS FOR SOLAR CELLS - A method of, and apparatus for, increasing the power output of the cell using one or more intrinsic oxide buffer layers to reduce extraneous optical absorption. The intrinsic oxide buffer layers can be, for example: (i) an undoped oxide film that is prepared without intentional doping, (ii) a compensated oxide layer that is prepared using compensating dopants to reduce the conductivity of the oxide film, which can be either undoped or doped, and/or (iii) a passivated oxide layer that is prepared using hydrogen or other atoms to improve the electronic properties of low conductivity oxide films. | 07-04-2013 |
20130247994 | PHOTOVOLTAIC DEVICE - A photovoltaic device includes a light absorbing layer as a p-type semiconductor, a buffer layer, and a window layer. The light absorbing layer, the buffer layer, and the window layer are provided in this order. A film of a sulfide-based compound semiconductor containing Cu, Zn, Sn, and S is used as the light absorbing layer. In addition, the buffer layer includes a material having a composition of Zn | 09-26-2013 |
20140251436 | PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOVOLTAIC CELL - A photoelectric conversion element includes a PN junction formed from an N-type oxide layer and a P-type oxide layer. The P-type oxide layer is formed from an oxide having a perovskite structure. | 09-11-2014 |
20140332080 | CZTS-BASED COMPOUND SEMICONDUCTOR AND PHOTOELECTRIC CONVERSION DEVICE - A main object of the present invention is to provide a CZTS-based compound semiconductor whose band gap is different from that of a conventional CZTS-based compound semiconductor and a photoelectric conversion device prepared with the CZTS-based compound semiconductor. The present invention is a CZTS-based compound semiconductor in which a ratio of the number of moles of Cu to the total number of moles of Cu, Zn and Sn is larger than a ratio of the number of moles of Cu to the total number of moles of Cu, Zn and Sn configuring Cu | 11-13-2014 |
20140338751 | METHOD OF MANUFACTURING THIN FILM SOLAR CELL, DEVICE FOR MANUFACTURING THIN FILM SOLAR CELL, AND THIN FILM SOLAR CELL INCLUDING BUFFER LAYER MANUFACTURED BY THE METHOD - A device of manufacturing a cascade thin film solar cell with improved productivity, and a thin film solar cell manufactured using the device have been disclosed. The thin film solar cell having a buffer layer formed by a method using the device has improved electrical characteristics. | 11-20-2014 |
20150053267 | SOLAR CELL AND METHOD OF FABRICATING THE SAME - A solar cell according to the disclosure includes a back electrode layer; and a light absorbing layer on the back electrode layer, wherein the light absorbing layer includes an undoped region and a doping region on the undoped region, and the doping region includes zinc. A method of fabricating a solar cell according to the disclosure includes forming a back electrode layer on a substrate; forming a preliminary light absorbing layer on the back electrode layer; forming a dopant supply layer on the preliminary light absorbing layer; and diffusing the dopant supply layer. | 02-26-2015 |
20150059855 | TITANIUM INCORPORATION INTO ABSORBER LAYER FOR SOLAR CELL - A method for fabricating a photovoltaic device includes forming a film including titanium on a conductive layer formed on a substrate. An absorber layer is formed including a Cu—Zn—Sn containing chalcogenide compound with a kesterite structure of the formula: Cu | 03-05-2015 |
20150059856 | TITANIUM INCORPORATION INTO ABSORBER LAYER FOR SOLAR CELL - A method for fabricating a photovoltaic device includes forming a film including titanium on a conductive layer formed on a substrate. An absorber layer is formed including a Cu—Zn—Sn containing chalcogenide compound with a kesterite structure of the formula: Cu | 03-05-2015 |
20150295116 | OXIDE SINTERED BODY, SPUTTERING TARGET USING IT, AND OXIDE FILM - To provide an oxide sintered body for a sputtering target, which is capable of adding specific elements to from an n-type semiconductor layer to a p-type semiconductor layer surface of a compound thin-film solar cell. | 10-15-2015 |
20160020345 | METHOD AND DEVICE OF MANUFACTURING COMPOUND-SEMICONDUCTOR THIN-FILM - The invention is to provide a method of manufacturing I-III-VI and I-II-IV-VI compound semiconductor thin-films, wherein a compound semiconductor crystal is efficiently grown to form a large grain diameter and the content of each of the elements contained in the compound semiconductor can be controlled. A substrate in which a I-III-VI or I-II-IV-VI compound semiconductor thin-film formed on the surface is heated such that a first temperature of the substrate is 100° C. to 700° C., then a non-oxidizing gas heated to a second temperature that is higher than the first temperature is flowed within a chamber so that the compound semiconductor thin-film formed on the surface of the substrate is thermally treated. | 01-21-2016 |
20160035496 | METHOD OF FORMULATING PEROVSKITE SOLAR CELL MATERIALS - A method for preparing photoactive perovskite materials. The method comprises the step of preparing a lead halide precursor ink. Preparing a lead halide precursor ink comprises the steps of: introducing a lead halide into a vessel, introducing a first solvent to the vessel, and contacting the lead halide with the first solvent to dissolve the lead halide. The method further comprises depositing the lead halide precursor ink onto a substrate, drying the lead halide precursor ink to form a thin film, annealing the thin film, and rinsing the thin film with a second solvent and a salt. | 02-04-2016 |
20160149061 | METAL CHALCOGENIDE NANOPARTICLES FOR MANUFACTURING SOLAR CELL LIGHT ABSORPTION LAYERS AND METHOD OF MANUFACTURING THE SAME - Disclosed are metal chalcogenide nanoparticles forming light absorption lavers of solar cells including two or more phases selected from a first phase including zinc (Zn)-containing chalcogenide, a second phase including tin (Sn)-containing chalcogenide and a third phase including copper (Cu)-containing chalcogenide, and a method of manufacturing the same. | 05-26-2016 |