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7442320 |
Nanostructured materials and photovoltaic devices including nanostructured materials are described. In one embodiment, a nanostructured material includes: (a) a first nano-network formed from a first set of nanoparticles; and (b) a secon...
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7390689 |
Methods and systems for absorbing infrared light, and for emitting current are described. A sample, such as a sample containing mainly silicon, is microstructured by at least one laser pulse to produce cone-like structures on the exposed...
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7388147 |
In a solar cell having p doped regions and n doped regions alternately formed in a surface of a semiconductor wafer in offset levels through use of masking and etching techniques, metal contacts are made to the p regions and n regions by...
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7381887 |
A thin solar cell is provided, a decreased amount of an Al paste used for the solar cell without occurrence of a problem of ball-up which is a defect in appearance. A method of manufacturing such a solar cell as well as a manufacturing a...
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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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7339110 |
A solar cell that is readily manufactured using processing techniques which are less expensive than microelectronic circuit processing. In preferred embodiments, printing techniques are utilized in selectively forming masks for use in et...
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7326587 |
A semiconductor memory device having a capacitor is disclosed. The capacitor includes a bottom capacitor surface formed of a silicon-germanium crystalline layer or a dual layer in which a silicon-germanium crystalline layer covers a sili...
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7309832 |
A multi-junction solar cell device ( 10 ) is provided. The multi-junction solar cell device ( 10 ) comprises either two or three active solar cells connected in series in a monolithic structure. The multi-junction device ( 10 ) comprises...
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7285720 |
A solar cell has an active semiconductor structure and a back electrical contact overlying and contacting an active semiconductor structure back side. A front electrical contact is applied overlying and contacting the active semiconducto...
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7279632 |
Provided is a multi-element polycrystal formed by cooling a melt containing multiple components while controlling a cooling rate. The multi-element polycrystal is a mixed crystal essentially formed of elements Si and Ge having different ...
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7276658 |
The invention pertains to a method of manufacturing a photovoltaic foil provided with solar cells connected in series, which method comprises the following steps: a) providing a temporary substrate b) applying a transparent conductive ox...
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7276312 |
To provide novel devices constituting light detection systems with a simple configuration, a low maintenance cost, a reduced size and weight, and high reliability by integrating light detection components and power supplies. A photosens...
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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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7253355 |
The invention relates to a method for constructing a layer structure on an especially fragile flat substrate. In order for thin, fragile flat substrates to be able to be subjected to refinement or construction of semiconductor components...
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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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7217883 |
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 semiconductor pattern has a first pattern of at l...
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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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7189917 |
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 reflection layer formed between the at lea...
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7179987 |
A method for making a solar cell from crystalline silicon, and a solar cell made from crystalline silicon produced according to the method. Neighboring p x n x junctions are electrically insulated by simultaneously introducing a p- and ...
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7173180 |
A silane composition for preparing a semiconductor thin films of a solar cell is disclosed. The silane composition contains a polysilane compound represented by the formula Si n R m (n is an integer of 3 or more, m is an integer of n to...
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7148417 |
A two-junction solar cell has a bottom solar cell junction of crystalline silicon, and a top solar cell junction of gallium phosphide. A three (or more) junction solar cell has bottom solar cell junctions of silicon, and a top solar cell...
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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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7119271 |
A photovoltaic cell or other optoelectronic device having a wide-bandgap semiconductor used in the window layer. This wider bandgap is achieved by using a semiconductor composition that is not lattice-matched to the cell layer directly 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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7091411 |
The invention relates to a multicrystalline laser-crystallized silicon thin layer solar cell deposited on a glass substrate (a), which is configured for illuminating from the substrate side, and to a production method for the cell. Said ...
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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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7075002 |
A method of manufacturing a thin-film solar cell, comprising the steps of: forming an amorphous silicon film on a substrate; placing a metal element that accelerates the crystallization of silicon in contact with the surface of the amorp...
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7067069 |
A silane composition for preparing a semiconductor thin films of a solar cell is disclosed. The silane composition contains a polysilane compound represented by the formula Si n R m (n is an integer of 3 or more, m is an integer of n to...
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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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7026662 |
A MOSFET device structure and a method of manufacturing the same, in which a photon absorption layer is formed over a gate structure and a substrate in order to avoid plasma induced damage to the gate oxide during high density plasma dep...
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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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7026275 |
A method of reducing the photoelectric device leakage current caused by residual metal ions in conjugated polymer. A chelating agent is added to a conjugated polymer material, thereby the conductivity and mobility of metal ions under an ...
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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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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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6940009 |
Improved solar cell composed of an upper layer or mesh of a conductive nature, a lower layer or mesh also of a conductive nature, and a series of intermediate semiconductor layers composed of a mixture of silicon, mercury and silver nitr...
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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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6858462 |
Enhanced light absorption of solar cells and photodetectors by diffraction is described. Triangular, rectangular, and blazed subwavelength periodic structures are shown to improve performance of solar cells. Surface reflection can be tai...
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6858308 |
The invention provides a semiconductor element having a semiconductor junction composed of silicon-based films, at least one of the silicon-based films containing a microcrystal. The microcrystal is located in at least one interface regi...
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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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6822157 |
In a thin film solar battery module, a flat glass substrate with non-monocrystal silicon type thin film solar cells formed thereon, a space layer, and a chilled figured glass are sequentially stacked in this order. The chilled figured gl...
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6821875 |
In a method for forming a contact on semiconductor surface, a crystalline silicon surface is first oxidized, following which an aluminium layer is deposited onto the oxide layer. A layer of amorphous silicon is then deposited onto the al...
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6818818 |
There is disclosed herein a concentrating solar energy receiver comprising a primary parabolic reflector having a center and a high reflectivity surface on a concave side of the reflector and having a focal axis extending from the concav...
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6815605 |
There can be provided according to the present invention a silicon single crystal produced according to Czochralski method to which Ga (gallium) is added as a dopant characterized in that a resistivity is 5Ω.cm to 0.1Ω.cm and a method ...
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6800801 |
There is disclosed a photovoltaic power generating structure in which a solar cell module is arranged on a base member, wherein a closed space portion cut off from the air is provided between the base member and the solar cell module. Th...
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6791024 |
To improve the conversion efficiency of a power converter in a solar cell module in which a solar cell module main body containing a solar cell is integrated with a power converter for converting the output power from the solar cell modu...
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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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6784361 |
This invention is a photovoltaic device comprising an intrinsic or i-layer of amorphous silicon and where the photovoltaic device is more efficient at converting light energy to electric energy at high operating temperatures than at low ...
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