Matches 51 - 100 out of 264 < 1 2 3 4 5 6 >
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6504091 Photoelectric converting device  
A photoelectric converting device is provided with enhanced photoelectric conversion efficiency by optimizing a combination of materials used for top and bottom cells. The photoelectric converting...
6486391 Diode structure, especially for thin-film solar cells  
The invention relates to a diode structure, especially for thin film solar cells. The aim of the invention is to provide a diode structure for thin film solar cells. Said structure allows for an...
6444897 Intermediate band semiconductor photovoltaic solar cell  
The invention relates to a solar cell containing a semiconductor ( 1 ) with an intermediate band ( 2 ) that is half filled with electrons, located between two layers of ordinary n type ( 3 ) and p...
6441301 Solar cell and method of manufacturing the same  
A solar cell with good characteristics and high reliability is provided that includes a semiconductor comprising at least one element from each of groups Ib, IIIb, and VIb. A method of...
6437233 Solar cell having multi-quantum well layers transitioning from small to large band gaps and method of manufacture therefor  
A solar cell comprises a superstrate formed from a material that is transparent to light, a first layer formed of delta doped silicon, a plurality of layers formed from semiconductor materials,...
6429369 Thin-film solar cells on the basis of IB-IIIA-VIA compound semiconductors and method for manufacturing same  
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...
6384321 Electrolyte composition, photosensitized solar cell using said electrolyte composition, and method of manufacturing photosensitized solar cell  
The present invention provides an electrolyte composition, comprising an electrolyte containing at least one kind of an imidazolium salt selected from the group consisting of 1-methyl-3-propyl...
6372981 Semiconductor substrate, solar cell using same, and fabrication methods thereof  
A group-IV semiconductor substrate has an inclined front surface, the inclination being toward a direction differing from the <010>crystal lattice direction. The substrate is cleansed by...
6372980 Multi-quantum well tandem solar cell  
A two-terminal tandem solar cell is provided. The inclusion of thin (few nm-thick) narrow band-gap InGaAs quantum wells in the intrinsic (i) region of the conventional p-i-n GaAs solar cell extends...
6355874 Semiconductor device and solar cell  
The present invention provides a semiconductor device and a solar cell, which may be low-cost, highly efficient, safe, and last long. The semiconductor device has a compound semiconductor layer as...
6353175 Two-terminal cell-interconnected-circuits using mechanically-stacked photovoltaic cells for line-focus concentrator arrays  
Two-terminal circuit has top and bottom cells bonded to an insulating substrate with the top cells bonded on top of the bottom cells. Bottom cells are connected in series through ribbon bonds. Top...
6323417 Method of making I-III-VI semiconductor materials for use in photovoltaic cells  
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...
6316715 Multijunction photovoltaic cell with thin 1st (top) subcell and thick 2nd subcell of same or similar semiconductor material  
A multijunction photovoltaic cell comprises a first subcell that initially receives incident light upon the photovoltaic cell, with the first subcell being made of a first material system, having a...
6316716 Solar cell and method for producing such a cell  
A solar cell includes a substrate carrier for current generating photoactive layers that include at least one front layer and one layer toward the substrate of different polarities, a front...
6313398 Ga-doped multi-crytsalline silicon, Ga-doped multi-crystalline silicon wafer and method for producing the same  
There are disclosed multi-crystalline silicon which is added with Ga (gallium) as a dopant and a method for producing Ga-doped multi-crystalline silicon, which comprises adding Ga to silicon melt...
6310281 Thin-film, flexible photovoltaic module  
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,...
6307148 Compound semiconductor solar cell and production method thereof  
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...
6300557 Low-bandgap double-heterostructure InAsP/GaInAs photovoltaic converters  
A low-bandgap, double-heterostructure PV device is provided, including in optical alignment a first InP 1 -y As y n-layer formed with an n-type dopant, an Ga x In 1 -x As absorber layer, the...
6300558 Lattice matched solar cell and method for manufacturing the same  
A solar cell comprises at least a germanium (Ge) substrate, buffer layers formed on the germanium substrate, a first In x Ga 1 -x As layer of first conductivity type formed on the buffer layers,...
6297442 Solar cell, self-power-supply display device using same, and process for producing solar cell  
It is to provide an essentially transparent solar cell of high efficiency that can be used by accumulating with a display device to generate electricity simultaneously with utilization of the...
6281036 Method of fabricating film for solar cells  
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...
6281426 Multi-junction, monolithic solar cell using low-band-gap materials lattice matched to GaAs or Ge  
A multi-junction, monolithic, photovoltaic solar cell device is provided for converting solar radiation to photocurrent and photovoltage with improved efficiency. The solar cell device comprises a...
6271461 Antireflection coated refractory metal matched emitters for use in thermophotovoltaic generators  
Thermophotovoltaic (TPV) electric power generators have emitters with infrared (IR) outputs matched with usable wavelengths for converter cells. The emitters have durable substrates, optional...
6265653 High voltage photovoltaic power converter  
An array of independently connected photovoltaic cells on a semi-insulating substrate contains reflective coatings between the cells to enhance efficiency. A uniform, flat top laser beam profile is...
6259016 Solar cell  
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...
6255580 Bilayer passivation structure for photovoltaic cells  
An improved photovoltaic cell, according to one embodiment, includes a base layer; a primary window layer having a first type of doping, with the primary window layer being disposed over the base...
6239354 Electrical isolation of component cells in monolithically interconnected modules  
A monolithically interconnected photovoltaic module having cells which are electrically connected which comprises a substrate, a plurality of cells formed over the substrate, each cell including a...
6201261 High efficiency, low cost, thin film silicon solar cell design and method for making  
A semiconductor device having a substrate, a conductive intermediate layer deposited onto said substrate, wherein the intermediate layer serves as a back electrode, an optical reflector, and an...
6188013 Solar cell  
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...
6166318 Single absorber layer radiated energy conversion device  
A radiated energy to electrical energy conversion device and technology is provided where there is a single absorber layer of semiconductor material. The thickness of the absorber layer is much...
6150604 Quantum well thermophotovoltaic energy converter  
A thermophotovoltaic cell is provided containing strained or lattice-matched quantum wells that have a bandgap smaller than the bandgap of the InGaAs alloy. The alloy is lattice-matched to the...
6140570 Photovoltaic element having a back side transparent and electrically conductive layer with a light incident side surface region having a specific cross section and a module comprising said photovolatic element  
A photovoltaic element having a specific transparent and electrically conductive layer on a back reflecting layer, said transparent and electrically conductive layer comprising a zinc oxide...
H001856 Lapped substrate for enhanced backsurface reflectivity in a thermophotovoltaic energy conversion system  
A method for fabricating a thermophotovoltaic energy conversion cell including a thin semiconductor wafer substrate (10) having a thickness (β) calculated to decrease the free carrier absorption...
6107562 Semiconductor thin film, method for manufacturing the same, and solar cell using the same  
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...
6072116 Thermophotovoltaic conversion using selective infrared line emitters and large band gap photovoltaic devices  
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...
6057507 Coarse grain polycrystalline gallium antimonide thermophotovoltaic cell  
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...
6040521 N-type window layer for a thin film solar cell and method of making  
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...
6034321 Dot-junction photovoltaic cells using high-absorption semiconductors  
A dot-junction photovoltaic cell using high absorption semi-conductors increases photovoltaic conversion performance of direct band gap semi-conductors by utilizing dot-junction cell geometry. This...
6028265 Optical semiconductor electrode, photoelectric converting device, and photoelectric conversion method  
The photo-semiconducting electrode of the present invention comprises a semiconducting substrate, a chemically adsorbed film formed thereon composed of at least one compound selected from the...
6023020 Solar cell and method for manufacturing the same  
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...
6015951 Photoelectric transfer device  
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...
5990415 Multilayer solar cells with bypass diode protection  
A multilayer solar cell with bypass diodes includes a stack of alternating p and n type semiconductor layers 10, 11, 12, 13, 14 arranged to form a plurality of rectifying photovoltaic junctions 15,...
5986205 Stainless steel sheet and a substrate for a solar cell and manufacturing method thereof  
The stainless steel sheet useful as a substrate for non-single crystalline semiconductor solar cells has minute ripples with undulations along a rolling direction, and its surface roughness is...
5981868 Thin-film solar cell comprising thin-film light absorbing layer of chalcopyrite multi-element compound semiconductor  
A solar cell with a heightened open-circuit voltage and improved junction quality of the interface between an interfacial layer (or buffer layer) and a thin-film light absorbing layer is disclosed....
5944913 High-efficiency solar cell and method for fabrication  
A high-efficiency 3- or 4-junction solar cell is disclosed with a theoretical AM0 energy conversion efficiency of about 40%. The solar cell includes p-n junctions formed from indium gallium...
5911839 High efficiency GaInP NIP solar cells  
The present invention is related to a high efficiency indium gallium phosphide NIP solar cell, wherein an intrinsic layer between a emitter layer and base layer can suppress the Zn memory effect...
5853497 High efficiency multi-junction solar cells  
A two-terminal voltage or current matched solar cell has up to four photovoltaically active junctions which efficiently convert solar radiation into electricity. The solar cell comprises GaInP,...
5851310 Strained quantum well photovoltaic energy converter  
An indium phosphide photovoltaic cell is provided where one or more quantum wells are introduced between the conventional p-conductivity and n-conductivity indium phosphide layer. The approach...
5769964 Bulk single crystal ternary substrates for a thermophotovoltaic energy conversion system  
A thermophotovoltaic energy conversion device and a method for making the device. The device includes a substrate formed from a bulk single crystal material having a bandgap (E g ) of 0.4 eV<E g...
5753050 Thermophotovoltaic energy conversion device  
A thermophotovoltaic device and a method for making the thermophotovoltaic device. The device includes an n-type semiconductor material substrate having top and bottom surfaces, a tunnel junction...
Matches 51 - 100 out of 264 < 1 2 3 4 5 6 >