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7352044 |
A solar battery 10 comprises a metal electrode layer 12 , a pin junction 100 , and a transparent electrode layer 16 which are successively laminated on a substrate 11 such as a silicon substrate. The pin junction 100 comprises ...
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RE39967 |
A solid state photovoltaic device is formed on a substrate and includes a photoactive channel layer interposed between a pair of electrodes. The photoactive channel layer includes a first material which absorbs light and operates as a ho...
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7271333 |
The present invention relates to light-weight thin-film photovoltaic cells, methods for making cells, modules made from cells, and methods for making modules from cells. The invention teaches a manner in which individual cells may be bon...
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7199303 |
An optical energy conversion apparatus 10 includes a first impurity doped semiconductor layer 5 , formed on a substrate, and which is of a semiconductor material admixed with a first impurity, an optically active layer 6 , formed on ...
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7135350 |
In one embodiment, a method of forming doped regions in a substrate of a back side contact solar cell includes the steps of depositing a first doped oxide layer on a back side of a substrate, depositing a first undoped oxide layer over t...
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7126052 |
A method of disordering a layer of an optoelectronic device including; growing a plurality of lower layers; introducing an isoelectronic surfactant; growing a layer; allowing the surfactant to desorb; and growing subsequent layers all pe...
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7122736 |
A thin-film solar cell is provided. The thin-film solar cell comprises an a-SiGe:H (1.6 eV) n-i-p solar cell having a deposition rate of at least ten (10) Å/second for the a-SiGe:H intrinsic layer by hot wire chemical vapor deposition....
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7122735 |
A method and apparatus that converts energy provided by a chemical reaction into energy for charging a quantum well device. The disclosed apparatus comprises a catalyst layer that catalyzes a chemical reaction and captures hot electrons ...
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7122733 |
The present invention provides a solar cell comprising a substrate, a first buffer layer disposed above the base layer, a second buffer layer disposed above the first buffer layer, a first boron compound layer disposed above the second b...
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7115811 |
The present invention is directed to systems and methods for protecting a solar cell. The solar cell includes first solar cell portion. The first solar cell portion includes at least one junction and at least one solar cell contact on a ...
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7098394 |
A system and method for providing power to a light-powered transponder. In order to create a sufficient voltage differential, two different photovoltaic elements are used. The photovoltaic elements generate voltages of different polariti...
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7087831 |
A photoelectric conversion device comprising at least an electron acceptive charge transfer layer, an electron donative charge transfer layer, and a light absorption layer existing between the charge transfer layers, wherein either one o...
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7081584 |
Method and system for converting solar energy into electrical energy utilizing serially coupled multijunction-type photovoltaic cells in conjunction with a form of spectral cooling. The latter cooling is carried out by removing ineffecti...
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7064263 |
A stacked photovoltaic device comprises at least three p-i-n junction constituent devices superposed in layers, each having a p-type layer, an i-type layer and an n-type layer which are formed of silicon non-single crystal semiconductors...
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7030313 |
A thin film solar cell comprises a p-layer, an i-layer and an n-layer formed in this order as a pin junction on a substrate in which the p-layer and the i-layer are thin silicon films each containing a crystalline component, and the p-la...
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6998288 |
In one embodiment, a method of forming doped regions in a substrate of a back side contact solar cell includes the steps of depositing a first doped oxide layer on a back side of a substrate, depositing a first undoped oxide layer over t...
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6960718 |
In a photovoltaic element according to the present invention, a first transparent conductive film, a second transparent conductive film, a p-type semiconductor film, an intrinsic semiconductor layer, a n-type semiconductor layer and a ba...
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6956163 |
An apparatus and method for solar energy production comprises a multi-layer solid-state structure including a photosensitive layer, a thin conductor, a charge separation layer, and a back ohmic conductor, wherein light absorption occurs ...
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6946029 |
An inexpensive sheet with excellent evenness and a desired uniform thickness can be obtained by cooling a base having protrusions, dipping the surfaces of the protrusions of the cooled base into a melt material containing at least one of...
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6927417 |
In a back-surface electrode type photoelectric conversion element having electrodes and semiconductor layers for collecting carriers disposed only on a back surface side of a semiconductor substrate, a semiconductor thin film that is lar...
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6911594 |
A photovoltaic device including a plurality of unit devices stacked, each unit device comprising a silicon-based non-single-crystal semiconductor material and having a pn or pin structure, in which an oxygen atom concentration and/or a c...
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6870088 |
A solar battery cell of a serial stacked structure, increasing scattering of light, exhibiting good power-generating efficiency per unit area, and ensuring high reliability and a large yield in the manufacturing process, is provided. The...
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6864414 |
A solar cell having a multijunction solar cell structure with a bypass diode is disclosed. The bypass diode provides a reverse bias protection for the multijunction solar cell structure. In one embodiment, the multifunction solar cell st...
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6835888 |
A stacked photovoltaic device comprises at least three p-i-n junction constituent devices superposed in layers, each having a p-type layer, an i-type layer and an n-type layer which are formed of silicon non-single crystal semiconductors...
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6825408 |
A stacked photoelectric conversion device comprising at least two photoelectric conversion element layers sandwiched between a first electrode layer and a light receiving second electrode layer, and at least one intermediate layer sandwi...
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6815736 |
Isoelectronic co-doping of semiconductor compounds and alloys with deep acceptors and deep donors is used to decrease bandgap, to increase concentration of the dopant constituents in the resulting alloys, and to increase carrier mobiliti...
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6809250 |
In a method of repairing a solar panel having a defective solar cell or cells, a replacement cell (or cells) is glued onto a defective solar cell or cells of the solar panel, and is electrically integrated in the solar panel.
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6803513 |
A photovoltaic module includes at least a first and a second photovoltaic cell each having a substrate electrode, a top electrode and a photovoltaic semiconductor body disposed therebetween in electrical communication with the substrate ...
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6787693 |
A photovoltaic generator constructed on an SOI N − layer subdivided into a series of connected isolated tubs whereby the isolated tubs are subdivided by a matrix of trenched wells. A P + junction is formed into the top surface of eac...
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6787692 |
A solar cell substrate has irregularities on a surface which is in contact with a photo-electric conversion layer, and light is incident on the side of the irregularities. The height of the irregularities is set so that the root mean squ...
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6784358 |
A solar cell structure includes a solar cell that produces a voltage when illuminated, and a discrete amorphous silicon by-pass diode. A first by-pass diode terminal of the amorphous silicon by-pass diode is electrically connected to a f...
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6750394 |
A thin-film solar cell comprises a set of a transparent conductive layer and a photoelectric conversion layer laminated in this order on a substrate, wherein the photoelectric conversion layer is made of a p-i-n junction, the i-layer is ...
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6743974 |
A multijunction solar cell comprising a silicon solar cell with a germanium solar cell formed on the backside of the silicon solar cell. The silicon solar cell and germanium solar cell are directly coupled via a p-p junction to inactivat...
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6737123 |
A silicon-based film is formed superimposing a direct-current potential on the high-frequency power to set the potential of the high-frequency power feed section to a potential which is lower by V 1 than the ground potential; the V 1 s...
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6734352 |
The present invention provides a photoelectric conversion device that improves photoelectric conversion efficiency with the interaction between a transparent substrate with a transparent conductive film, an antireflection film, and a pho...
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6700057 |
The present invention provides a photovoltaic device comprising an electricity generating layer including at least one p/n type junction, the layer comprising a silicon-based non-single-crystalline semiconductor material, wherein a nitro...
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6680432 |
Apparatus and Method for Optimizing the Efficiency of a Bypass Diode in Solar Cells. In a preferred embodiment, a layer of TiAu is placed in an etch in a solar cell with a contact at a doped layer of GaAs. Electric current is conducted t...
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6677516 |
A dye-sensitized photovoltaic cell comprising an electroconductive support, a porous photovoltaic layer constituted with a porous semiconductor layer containing a photosensitizing dye, a hole transporting layer, and a support on a counte...
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6670544 |
A silicon-germanium thin-film solar cell having a quantum well structure as an active base layer within the space-charge region of the silicon p-n diode junction. The quantum well structure is composed of a sequence of silicon and german...
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6660928 |
A solar cell comprising a substrate, a buffer layer, a first subcell, a second subcell, and a third subcell, where said first subcell, said second subcell, and said third subcell are lattice matched, and where said substrate is lattice m...
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6653554 |
A thin film polycrystalline solar cell which includes a substrate, a first semiconductor layer provided on the substrate and including Si highly doped with a conductivity-type controlling impurity, a second semiconductor layer provided o...
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6653550 |
An integrated thin-film photoelectric conversion module includes a multi-layered film including a first electrode layer, a semiconductor layer and a second electrode layer stacked on a main surface of a substrate. The multi-layered film ...
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6613974 |
P-type and n-type regions are defined in the first surface of a substrate upon which is formed an epitaxial layer of preferably Si—Ge material, preferably capped by Si material. During epitaxy formation, dopant in the defined regions d...
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6600100 |
The present invention is directed to systems and methods for protecting a solar cell. The solar cell includes first solar cell portion. The first solar cell portion includes at least one junction and at least one solar cell contact on a ...
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6589848 |
A photodetector device and a process for manufacturing the same are described. The photodetector device comprises a doped semiconductor substrate; an intrinsic semiconductor material layer formed over the substrate, for absorbing inciden...
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6586669 |
A perfectly or approximately lattice-matched semiconductor layer for use in an electronic or optoelectronic device. Perfectly lattice-matched (“PLM”) semiconductor layers prevent or lessen the formation and propagation of crystal def...
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6580027 |
Organic photosensitive optoelectronic devices are disclosed. The devises comprise photoconductive organic thin films in a heterostructure, which include an exciton blocking layer to enhance device efficiency. The use of fullerenes in the...
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6566595 |
A solar cell having a p-type semiconductor layer and an n-type semiconductor layer made of a first compound semiconductor material, and a semiconductor layer sandwiched between the p-type semiconductor layer and the n-type semiconductor ...
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6552259 |
In this bypass-function added solar cell, a plurality of island-like p + regions, which is third regions, are formed at a boundary between a p-type region and an n-type region layer constituting a substrate so that the p + regions proj...
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6524880 |
A technique for fabricating a solar cell includes an n + emitter region first being formed on a front surface of the cell, and then front and rear insulating layers being formed on both sides of the cell. P (Phosphorus)-source and B (Bo...
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