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7629532 |
Solar cell having active region with nanostructures having energy wells
A method and apparatus for solar cell having graded energy wells is provided. The active region of the solar cell comprises nanostructures. The nanostructures are formed from a material that...
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7626116 |
Isoelectronic surfactant suppression of threading dislocations in metamorphic epitaxial layers
A method of reducing propagation of threading dislocations into active areas of an optoelectronic device having a III-V material system includes growing a metamorphic buffer region in the presence...
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7592538 |
Method of fabricating a multijunction solar cell with a bypass diode having an intrinsic layer
A method of making a multijunction solar cell, including first and second solar cells on a substrate with a bypass diode having an intrinsic layer and operative for passing current when the...
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7553691 |
Method and apparatus of multiplejunction solar cell structure with high band gap heterojunction middle cell
A method and a multijunction solar device having a high band gap heterojunction middle solar cell are disclosed. In one embodiment, a triple-junction solar device includes bottom, middle, and top...
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7537955 |
Low temperature nano particle preparation and deposition for phase-controlled compound film formation
The present invention is directed to different methods used in the formation of an ink, as well as being directed to the formation of layers used in the fabrication of a solar cell, particularly...
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7521340 |
Methods for creating a densified group IV semiconductor nanoparticle thin film
A method of forming a densified nanoparticle thin film in a chamber is disclosed. The method includes positioning a substrate in the chamber; and depositing a nanoparticle ink, the nanoparticle ink...
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7488890 |
Compound solar battery and manufacturing method thereof
On a surface of a GaAs substrate, layers to be a top cell are formed by epitaxial growth. On the top cell, layers to be a bottom cell are formed. Thereafter, on a surface of the bottom cell, a back...
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7449630 |
Solar cell having an integral monolithically grown bypass diode
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...
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7402747 |
Photoelectric conversion device and method of manufacturing the device
There is disclosed a photoelectric conversion device comprising a substrate 1 serving as a lower electrode; first conductivity-type crystalline semiconductor particles 3 deposited on the...
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7391024 |
Steady-state non-equilibrium distribution of free carriers and photon energy up-conversion using same
An apparatus is disclosed for the conversion of radiation. The apparatus includes a mesoscopic sized region, an interface surrounding the mesoscopic sized region and contacting the mesoscopic...
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7381886 |
Terrestrial solar array
A concentrator photovoltaic solar cell array for terrestrial use for generating electrical power from solar radiation including a central support which is rotatable about its central longitudinal...
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7371962 |
Diode energy converter for chemical kinetic electron energy transfer
An improved diode energy converter for chemical kinetic electron energy transfer is formed using nanostructures and includes identifiable regions associated with chemical reactions isolated...
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RE39967 |
Solid-state photoelectric device
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...
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7291782 |
Optoelectronic device and fabrication method
Charge-splitting networks, optoelectronic devices, methods for making optoelectronic devices, power generation systems utilizing such devices and method for making charge-splitting networks are...
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7271333 |
Apparatus and method of production of thin film photovoltaic modules
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...
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7227066 |
Polycrystalline optoelectronic devices based on templating technique
Methods for passivating crystalline grains in an active layer for an optoelectronic device and optoelectronic devices having active layers with passivated crystalline grains are disclosed....
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7217883 |
Manufacturing a solar cell with backside contacts
A solar cell involving a silicon wafer having a basic doping, a light-receiving front side and a backside, which is provided with an interdigital semiconductor pattern, which interdigital...
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7202411 |
Photovoltaic and thermophotovoltaic devices with quantum barriers
A photovoltaic or thermophotovoltaic device includes a diode formed by p-type material and n-type material joined at a p-n junction and including a depletion region adjacent to said p-n junction,...
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7199303 |
Optical energy conversion apparatus
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,...
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7193210 |
Composite structure providing steady-state non-equilibrium distribution of free carriers and IR system using same for photon energy up-conversion
Methods and specialized media adapted to the formation of a steady-state, non-equilibrium distribution of free carriers using mesoscopic classical confinement. Specialized media is silicon-based...
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7189917 |
Stacked photovoltaic device
To provide a stacked photovoltaic device including: at least one pair of a first photovoltaic device and a second photovoltaic device stacked in order from a light incident side; and a selective...
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7126052 |
Isoelectronic surfactant induced sublattice disordering in optoelectronic devices
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...
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7122735 |
Quantum well energizing method and apparatus
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...
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7122733 |
Multi-junction photovoltaic cell having buffer layers for the growth of single crystal boron compounds
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...
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7122736 |
Method and apparatus for fabricating a thin-film solar cell utilizing a hot wire chemical vapor deposition technique
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...
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7119272 |
Gas specie electron-jump chemical energy converter
An apparatus and method for extracting energy is provided. In one aspect the method includes using chemical reactions to generate vibrationally excited molecules, such as...
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7115811 |
Semiconductor body forming a solar cell with a bypass diode
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...
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7098394 |
Method and apparatus for powering circuitry with on-chip solar cells within a common substrate
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...
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7087832 |
Nanostructure and nanocomposite based compositions and photovoltaic devices
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...
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7087833 |
Nanostructure and nanocomposite based compositions and photovoltaic devices
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...
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7087834 |
Apparatus and method for photovoltaic energy production based on internal charge emission in a solid-state heterostructure
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...
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7081584 |
Solar based electrical energy generation with spectral cooling
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...
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7071407 |
Method and apparatus of multiplejunction solar cell structure with high band gap heterojunction middle cell
A method and a multijunction solar device having a high band gap heterojunction middle solar cell are disclosed. In one embodiment, a triple-junction solar device includes bottom, middle, and top...
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7064263 |
Stacked photovoltaic device
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...
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7053293 |
GaAs substrate with Sb buffering for high in devices
GaAs substrates with compositionally graded buffer layers for matching lattice constants with high-Indium semiconductor materials such as quantum well infrared photoconductor devices and thermo...
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7030313 |
Thin film solar cell and method of manufacturing the same
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...
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6960718 |
Method for manufacturing a photovoltaic element
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...
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6956163 |
Apparatus and method for photovoltaic energy production based on internal charge emission in a solid-state heterostructure
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...
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6953487 |
Metallic gas cells and method for manufacturing the same
A metallic gas cell including a metallic casing having an input open end and an output open end, and a opening located therebetween. The metallic gas cell also includes an input and an output...
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6951689 |
Substrate with transparent conductive layer, and photovoltaic element
The present invention provides a substrate with a transparent conductive layer comprising at least one layer stacked on a supporting substrate, wherein the surface of the transparent conductive...
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RE38727 |
Photoelectric conversion device and method of making the same
A photoelectric conversion device has a non-single-crystal semiconductor laminate member formed on a substrate having a conductive surface, and a conductive layer formed on the non-single-crystal...
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6878871 |
Nanostructure and nanocomposite based compositions and photovoltaic devices
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...
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6870088 |
Solar battery cell and manufacturing method thereof
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...
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6864414 |
Apparatus and method for integral bypass diode in solar cells
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...
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6852920 |
Nano-architected/assembled solar electricity cell
Nano-architected/assembled solar cells and methods for their manufacture are disclosed. The solar cells comprise oriented arrays of nanostructures wherein two or more different materials are...
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6812499 |
Silicon-based film and photovoltaic element
A silicon based film is provided which comprises a crystal phase formed on a substrate with a surface shape represented by a function f, wherein the silicon-based film is formed on a substrate with...
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6803513 |
Series connected photovoltaic module and method for its manufacture
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...
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6787692 |
Solar cell substrate, thin-film solar cell, and multi-junction thin-film solar cell
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...
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6787693 |
Fast turn on/off photovoltaic generator for photovoltaic relay
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 + ...
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6784358 |
Solar cell structure utilizing an amorphous silicon discrete by-pass diode
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...
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