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7468146 |
A metal chalcogenide composite nano-particle comprising a metal capable of forming p-type semiconducting chalcogenide nano-particles and a metal capable of forming n-type semiconducting chalcogenide nano-particles, wherein at least one o...
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7374963 |
The present invention advantageously provides for, in different embodiments, low-cost deposition techniques to form high-quality, dense, well-adhering Group IBIIIAVIA compound thin films with macro-scale as well as micro-scale compositio...
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7319190 |
The present invention relates generally to the field of photovoltaics and more specifically to manufacturing thin-film solar cells using a thermal process. Specifically, a method is disclosed to manufacture a CIGS solar cell by an in-sit...
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7297868 |
A photovoltaic cell exhibiting an overall conversion efficiency of at least 9.0% is prepared from a copper-indium-gallium-diselenide thin film. The thin film is prepared by simultaneously electroplating copper, indium, gallium, and selen...
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7255926 |
A component involving a substrate, a layered structure arranged on the substrate, and a barrier layer arranged over the layered structure, wherein the barrier layer has the reaction product of an epoxy resin and a polymeric polyol.
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RE39640 |
A family of isostructural compounds have been prepared having the general formula A n Pb m Bi n O 2n+m . These compounds possess a NaCl lattice type structure as well as low thermal conductivity and controlled electrical conductivity. Fu...
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7179677 |
A process for making a thin film ZnO/Cu(InGa)Se 2 solar cell without depositing a buffer layer and by Zn doping from a vapor phase, comprising: depositing Cu(InGa)Se 2 layer on a metal back contact deposited on a glass substrate; heati...
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7148123 |
Systems and methods are described for synthesis of films, coatings or layers using templates. A method includes locating a template within at least one of a first precursor layer that is coupled to a first substrate and a second precurso...
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7087833 |
Nanocomposite photovoltaic devices are provided that generally include semiconductor nanocrystals as at least a portion of a photoactive layer. Photovoltaic devices and other layered devices that comprise core-shell nanostructures and/or...
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7087832 |
Nanocomposite photovoltaic devices are provided that generally include semiconductor nanocrystals as at least a portion of a photoactive layer. Photovoltaic devices and other layered devices that comprise core-shell nanostructures and/or...
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7053294 |
A thin-film solar cell ( 10 ) is provided. The thin-film solar cell ( 10 ) comprises a flexible metallic substrate ( 12 ) having a first surface and a second surface. A back metal contact layer ( 16 ) is deposited on the first surface of...
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7026543 |
In a photovoltaic cell having a photovoltaically active semiconductor material constituted by a plurality of metals or metal oxides, the photovoltaically active material is selected from a
p- or n-doped semiconductor material cons...
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7019208 |
Sulfur is used to improve the performance of CIGS devices prepared by the evaporation of a single source ZIS type compound to form a buffer layer on the CIGS. The sulfur may be evaporated, or contained in the ZIS type material, or both. ...
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6974976 |
A method of manufacturing improved thin-film solar cells entirely by sputtering includes a high efficiency back contact/reflecting multi-layer containing at least one barrier layer consisting of a transition metal nitride. A copper indiu...
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6884478 |
Semiconductor liquid crystal compositions and methods for making such compositions are disclosed. One embodiment of the invention is directed to a liquid crystal composition including a solvent and semiconductor particles in the solvent....
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6878871 |
Nanocomposite photovoltaic devices are provided that generally include semiconductor nanocrystals as at least a portion of a photoactive layer. Photovoltaic devices and other layered devices that comprise core-shell nanostructures and/or...
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6825409 |
A thin-film solar cell and a method of producing a thin-film solar cell. The thin-film solar cell includes an absorber layer and at least one transparent window electrode. The window electrode is produced with a first metal-based thin-fi...
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6797874 |
Systems and methods are described for synthesis of films, coatings or layers using precursor exerted pressure containment. A method includes exerting a pressure between a first precursor layer that is coupled to a first substrate and a s...
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6706959 |
A photoelectric conversion element is disposed in each of a plurality of recesses of a support. Light reflected by the inside surface of the recess shines on the photoelectric conversion element. The photoelectric conversion element has ...
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6559372 |
Systems and methods are described for compositions, apparatus and/or electronic devices. A composition, includes a composition layer defining a first surface and a second surface, the composition layer including a collection layer that i...
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6548751 |
A thin-film flexible solar cell built on a plastic substrate comprises a cadmium telluride p-type layer and a cadmium sulfide n-type layer sputter deposited onto a plastic substrate at a temperature sufficiently low to avoid damaging or ...
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6537845 |
A chemical surface deposition process for forming an ultra-thin semiconducting film of Group IIB-VIA compounds onto a substrate. This process eliminates particulates formed by homogeneous reactions in bath, dramatically increases the uti...
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6534704 |
A solar cell includes a first semiconductor layer that is p-type, and a second semiconductor layer that is n-type formed over the first semiconductor layer. The solar cell includes a layer A made of a semiconductor different from the fir...
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6518086 |
A two-stage method of producing thin-films of group IB-IIIA-VIA on a substrate for semiconductor device applications includes a first stage of depositing an amorphous group IB-IIIA-VIA precursor onto an unheated substrate, wherein the pr...
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6429369 |
The invention relates to a thin-film solar cell on the basis of IB-IIIA-VIA compound semiconductors and a method for producing such a solar cell. Between the polycrystalline IB-IIIA-VIA absorber layer of the p-type conductivity and the c...
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6423565 |
An apparatus and processes for large scale inline manufacturing of CdTe photovoltaic modules in which all steps, including rapid substrate heating, deposition of CdS, deposition of CdTe, CdCl 2 treatment, and ohmic contact formation, ar...
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6355873 |
A spherical shaped solar diode having an n-type substrate surrounded by a p-type layer of semiconductor material is disclosed. In addition, a plurality of hetero-junction super lattice structures are formed surrounding the p-type layer. ...
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6323417 |
Provided is a method for making layers of I-III-VI semiconductor materials for use in photovoltaic cells, and particularly for making CIS and variations on CIS, such as CIGS and CIGSS. The method includes formation of a plurality of prec...
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6319747 |
Process and separating means for the production of a thin film solar module (10) comprising a plurality of solar cells (11) arranged side-by-side on a common substrate (12), which are produced by employing a plurality of layer deposition...
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6312617 |
A family of isostructural compounds have been prepared having the general formula A n Pb m Bi n Q 2n +m. These compounds possess a NaCl lattice type structure as well as low thermal conductivity and controlled electrical conductivity....
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6310281 |
A new, large-area, thin-film, flexible photovoltaic structure is disclosed, as well as a general fabrication procedure, including a preferably roll-to-roll-type, process-chamber-segregated, "continuous-motion", method for producing such ...
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6307148 |
An indium layer and a copper layer, and whenever necessary, a gallium layer or a gallium-alloy layer, are laminated on an electrode film formed on one of the surfaces of a substrate to form a metallic film. The metallic film is then subj...
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6281036 |
A method of fabricating Cuα(In x Ga 1 -x)β(Se y S 1 -y)γ films for solar cells includes forming an electrode on a substrate and supplying the substrate and electrode with Cu, In, Ga, Se, and S to form a Cuα(In x Ga 1 -x)β(Se y S...
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6259016 |
The present invention includes a substrate, a lower electrode film, a p-type semiconductor layer (a second semiconductor layer), an n-type semiconductor layer (a first semiconductor layer), an upper electrode film and an anti-reflection ...
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6251701 |
An all dry method for producing solar cells is provided comprising first heat-annealing a II-VI semiconductor; enhancing the conductivity and grain size of the annealed layer; modifying the surface and depositing a tellurium layer onto t...
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6207219 |
A method for manufacturing a thin-film solar cell substrate of group IB, IIIB and VIB elements of the Periodic Table, by using an apparatus for depositing selenium (Se) on the thin-film solar cell substrate. The apparatus has a base with...
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6188013 |
A solar cell comprising a substrate of insulating material, a bottom side electrode layer formed on one surface of the substrate, a semiconductor photoelectric conversion layer formed on the bottom side electrode layer, a transparent top...
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6121541 |
Efficient broader spectrum monolithic solar cells are produced by coupling a CIS or CIGS polycrystalline semiconductor to an amorphous silicon semiconductor. Coupling can be accomplished with a n-type conductor, such as cadmium sulfide o...
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6117703 |
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6107562 |
A semiconductor thin film comprises an n-type compound semiconductor layer including at least one element from each of groups Ib, IIIb, VIb and II. A solar cell using this semiconductor thin film comprises a substrate and a rear electrod...
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6078007 |
A selenium photovoltaic cell has a top electrode formed of lemon juice or another fluid which enters into a chemical reaction with the selenium which produces a sulfur compound. A contact disk fixed to the selenium surface makes reliable...
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6072116 |
Efficient thermophotovoltaic conversion can be performed using photovoltaic devices with a band gap in the 0.75-1.4 electron volt range, and selective infrared emitters chosen from among the rare earth oxides which are thermally stimulat...
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6057507 |
A TPV cell apparatus with a base region of GaSb crystals. The GaSb crystals are of varying orientations and joined at grain boundaries. A surface region is provided on the GaSb crystals. The GaSb crystals are Tellurium doped N-type GaSb ...
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6040521 |
Transparent conductive ZnO films are formed at a high rate, are equal in performance to those formed by MOCVD and have a large area, while the influence of sputtering bombardment is reduced. A method for producing transparent conductive ...
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6036822 |
A base is provided with a gas outlet pipe and a gas inlet pipe. A bell jar is placed on top of the base with an O-ring interposed between them. Thin-film solar cells and a Se powder are placed in a recess formed in a lower heating jig, a...
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6023020 |
A solar cell utilizing a chalcopyrite semiconductor and reducing the density of defects on the junction interface of pn junctions is provided. This solar cell includes a substrate, a back electrode formed on the substrate, a p-type chalc...
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6020556 |
A solar cell comprising a substrate of insulating material, a bottom side electrode layer formed on one surface of the substrate, a semiconductor photoelectric conversion layer formed on the bottom side electrode layer, a transparent top...
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6018124 |
A selenium photovoltaic cell has a top electrode formed of lemon juice or another fluid which enters into a chemical reaction with the selenium which produces a sulfur compound. A contact disk fixed to the selenium surface makes reliable...
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6015951 |
This invention relates to a photoelectric transfer device which comprises a photoelectric transfer element, a cholesteric liquid crystal layer and an ultraviolet cut-off layer, said cholesteric liquid crystal layer being arranged between...
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6015950 |
A solar energy conversion system, in which two separated arrays of refracting elements disperse incident sunlight and concentrate the sunlight onto solar energy converters, such that each converter receives a narrow portion of the broad ...
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