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US20090308439 SOLAR CELL FABRICATION USING IMPLANTATION  
A solar cell device and method of making are provided. The device includes a silicon substrate including a preexisting dopant. A homogeneous lightly doped region is formed on a surface of the...
US20090308440 FORMATION OF SOLAR CELL-SELECTIVE EMITTER USING IMPLANT AND ANNEAL METHOD  
A method of forming a solar cell, the method comprising: providing a semiconducting wafer having a pre-doped region; performing a first ion implantation of a dopant into the semiconducting wafer...
US20160293790 METHODS OF GROWING HETEROEPITAXIAL SINGLE CRYSTAL OR LARGE GRAINED SEMICONDUCTOR FILMS AND DEVICES THEREON  
A method of growing a semiconductor film including the following steps: providing a substrate, depositing a metal thin film on the substrate, depositing an initial semiconductor film on the metal...
US20100084011 ORGANIC TANDEM SOLAR CELLS  
There is disclosed an organic photovoltaic device comprising two or more organic photoactive regions located between a first electrode and a second electrode, wherein each of the organic...
US20100269899 Solar Cell  
The invention provides a method for increasing the usable surface area of a semiconductor wafer having a substantially planar surface and a thickness dimension at right angles to said...
US20090038678 THIN FILM III-V COMPOUND SOLAR CELL  
The present invention utilizes epitaxial lift-off in which a sacrificial layer is included in the epitaxial growth between the substrate and a thin film III-V compound solar cell. To provide...
US20080264479 Hybrid Photovoltaic Cells and Related Methods  
Embodiments of the present invention involve photovoltaic (PV) cells comprising a semiconducting nanorod-nanocrystal-polymer hybrid layer, as well as methods for fabricating the same. In PV cells...
US20120073637 DEPOSITION PROCESSES AND PHOTOVOLTAIC DEVICES WITH COMPOSITIONAL GRADIENTS  
Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this...
US20100065112 Organic Photosensitive Devices Comprising a Squaraine Containing Organoheterojunction and Methods of Making Same  
An organic photosensitive optoelectronic device comprising at least one Donor-Acceptor heterojunction formed from a squaraine compound of formula I: wherein each of Ar1 and Ar2 is independently...
US20100032008 ZINC OXIDE MULTI-JUNCTION PHOTOVOLTAIC CELLS AND OPTOELECTRONIC DEVICES  
Devices and methods of fabrication of ZnO based single and multi-junction photovoltaic cells are disclosed. ZnO based single and multijunction photovoltaic cells, and other optoelectronic devices...
US20130118566 HIGH EFFICIENCY MULTIJUNCTION SOLAR CELLS  
Multijunction solar cells having at least four subcells are disclosed, in which at least one of the subcells comprises a base layer formed of an alloy of one or more elements from group III on the...
US20100294349 BACK CONTACT SOLAR CELLS WITH EFFECTIVE AND EFFICIENT DESIGNS AND CORRESPONDING PATTERNING PROCESSES  
Laser based processes are used alone or in combination to effectively process doped domains for semiconductors and/or current harvesting structures. For example, dopants can be driven into a...
US20150372178 HIGH EFFICIENCY MULTIJUNCTION SOLAR CELLS  
Multijunction solar cells having at least four subcells are disclosed, in which at least one of the subcells comprises a base layer formed of an alloy of one or more elements from group III on the...
US20130247966 Nanostructured devices  
A photovoltaic device is provided. It comprises at least two electrical contacts, p type dopants and n type dopants. It also comprises a bulk region and nanowires in an aligned array which contact...
US20130153012 Hybrid Photovoltaic Cells and Related Methods  
Embodiments of the present invention involve photovoltaic (PV) cells comprising a semiconducting nanorod-nanocrystal-polymer hybrid layer, as well as methods for fabricating the same. In PV cells...
US20110067752 SOLAR CELL WITH EPITAXIALLY GROWN QUANTUM DOT MATERIAL  
A monolithic semiconductor photovoltaic solar cell comprising a plurality of subcells disposed in series on an electrically conductive substrate. At least one subcell of the plurality of subcells...
US20100243041 Apparatus and Method for Solar Cells with Laser Fired Contacts in Thermally Diffused Doped Regions  
This invention relates to an apparatus and a method for solar cells with laser fired contacts in thermally diffused doped regions. The cell includes a doped wafer and a plurality of first highly...
US20080264480 MULTI-JUNCTION SOLAR CELLS AND METHODS AND APPARATUSES FOR FORMING THE SAME  
Embodiments of the present invention generally relate to solar cells and methods and apparatuses for forming the same. More particularly, embodiments of the present invention relate to thin film...
US20160218308 PHOTOVOLTAIC DEVICE  
Photovoltaic devices are described including: a region of perovskite material which is in electrical contact with a mesoporous region of hole transport material, wherein the hole transport...
US20150122318 LATTICE MATCHABLE ALLOY FOR SOLAR CELLS  
An alloy composition for a subcell of a solar cell is provided that has a bandgap of at least 0.9 eV, namely, Ga1-xInxNyAs1-y-zSbz with a low antimony (Sb) content and with enhanced indium (In)...
US20110265867 TEMPLATE FOR THREE-DIMENSIONAL THIN-FILM SOLAR CELL MANUFACTURING AND METHODS OF USE  
A template for three-dimensional thin-film solar cell substrate formation for use in three-dimensional thin-film solar cells. The template comprises a substrate which comprises a plurality of...
US20110168244 METHOD AND MEANS FOR A HIGH POWER SOLAR CELL  
In methods and apparatus for improving the power generated, and thus efficiency of solar cells, a double or triple junction tandem solar cell that has one or two photon filters of the invention in...
US20100224228 SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME, AND SOLAR CELL MODULE  
A charge transferor of a solar cell, which collects and transfer charges generated from a semiconductor substrate, includes at least one electrode collecting the charges; and at least one...
US20100313942 PHOTOVOLTAIC MODULE AND METHOD OF MANUFACTURING A PHOTOVOLTAIC MODULE HAVING MULTIPLE SEMICONDUCTOR LAYER STACKS  
A method of manufacturing a photovoltaic module is provided. The method includes providing an electrically insulating substrate and a lower electrode, depositing a lower stack of silicon layers...
US20080271780 Photovoltaic Cell and Production Thereof  
An efficient photovoltaic cell, and its process of manufacture, is disclosed wherein the back surface p-n junction is removed from a doped substrate having an oppositely doped emitter layer. A...
US20150053259 P-TYPE DOPING OF II-VI MATERIALS WITH RAPID VAPOR DEPOSITION USING RADICAL NITROGEN  
Apparatus and methods to incorporate p-type dopants in II-VI semiconducting layers are disclosed herein. In some embodiments, radical nitrogen is introduced in a physical vapor deposition...
US20120048359 MULTI-JUNCTION SOLAR CELLS WITH AN APLANATIC IMAGING SYSTEM AND COUPLED NON-IMAGING LIGHT CONCENTRATOR  
An optical system for a solar energy device to produce electrical energy. The optical system includes an aplanatic optical imaging system, a non-imaging solar concentrator coupled to the aplanatic...
US20110272013 TEMPLATE FOR THREE-DIMENSIONAL THIN-FILM SOLAR CELL MANUFACTURING AND METHODS OF USE  
A template for three-dimensional thin-film solar cell substrate formation for use in three-dimensional thin-film solar cells. The template comprises a substrate which comprises a plurality of...
US20110011983 MULTIJUNCTION PHOTOVOLTAIC CELL GROWN ON HIGH-MISCUT-ANGLE SUBSTRATE  
The present invention provides a photovoltaic cell comprising a GaInP subcell comprising a disordered group-III sublattice, a Ga(In)As subcell disposed below the GaInP subcell, and a Ge substrate...
US20100059110 MICROCRYSTALLINE SILICON ALLOYS FOR THIN FILM AND WAFER BASED SOLAR APPLICATIONS  
A method and apparatus for forming solar cells is provided. Doped crystalline semiconductor alloys including carbon, oxygen, and nitrogen are used as charge collection layers for thin-film solar...
US20080110494 NANOPARTICLE SENSITIZED NANOSTRUCTURED SOLAR CELLS  
In general, the invention relates to the field of photovoltaics or solar cells. More particularly the invention relates to photovoltaic devices using metal oxide nanostructures in connection with...
US20140224310 USE OF ION BEAM TAILS TO MANUFACTURE A WORKPIECE  
One method of implanting a workpiece involves implanting the workpiece with an n-type dopant in a first region with center and a periphery. The workpiece also is implanted with a p-type dopant in...
US20110174362 MANUFACTURE OF THIN FILM SOLAR CELLS WITH HIGH CONVERSION EFFICIENCY  
A method and apparatus for forming solar cells is provided. In one embodiment, a photovoltaic device includes a antireflection coating layer disposed on a first surface of a substrate, a barrier...
US20110120537 SILICON INKS FOR THIN FILM SOLAR CELL FORMATION, CORRESPONDING METHODS AND SOLAR CELL STRUCTURES  
High quality silicon inks are used to form polycrystalline layers within thin film solar cells having a p-n junction. The particles deposited with the inks can be sintered to form the silicon...
US20100258169 PULSED PLASMA DEPOSITION FOR FORMING MICROCRYSTALLINE SILICON LAYER FOR SOLAR APPLICATIONS  
A method for an intrinsic type microcrystalline silicon layer is provided. In one embodiment, the microcrystalline silicon layer is fabricated by providing a substrate into a processing chamber,...
US20100224240 COUNTERDOPING FOR SOLAR CELLS  
Methods of counterdoping a solar cell, particularly an IBC solar cell are disclosed. One surface of a solar cell may require portions to be n-doped, while other portions are p-doped....
US20090301555 SOLAR CELL, SOLAR MODULE AND SYSTEM AND FABRICATION METHOD THEREOF  
A solar cell having an improved structure of rear surface includes a p-type doped region, a dense metal layer, a loose metal layer, at least one bus bar opening, and solderable material on or...
US20090151782 Hetero-junction silicon solar cell and fabrication method thereof  
Disclosed are a hetero-junction silicon solar cell and a fabrication method thereof. The hetero-junction silicon solar cell according to the present invention forms a pn junction of a crystalline...
US20110139231 BACK JUNCTION SOLAR CELL WITH SELECTIVE FRONT SURFACE FIELD  
Solar cells and methods for their manufacture are disclosed. An example method may include fabricating an n-type silicon substrate and introducing n-type dopant to one or more first and second...
US20110056544 SOLAR CELL  
A solar cell is disclosed. The solar cell includes a substrate containing first impurities of a first conductive type, an emitter layer containing second impurities of a second conductive type...
US20100269896 MICROCRYSTALLINE SILICON ALLOYS FOR THIN FILM AND WAFER BASED SOLAR APPLICATIONS  
A method and apparatus for forming solar cells is provided. Doped crystalline semiconductor alloys including carbon, oxygen, and nitrogen are used as light-trapping enhancement layers and charge...
US20100122724 Four Junction Inverted Metamorphic Multijunction Solar Cell with Two Metamorphic Layers  
A multijunction solar cell including an upper first solar subcell having a first band gap; a second solar subcell adjacent to the first solar subcell and having a second band gap smaller than the...
US20090242019 METHOD TO CREATE HIGH EFFICIENCY, LOW COST POLYSILICON OR MICROCRYSTALLINE SOLAR CELL ON FLEXIBLE SUBSTRATES USING MULTILAYER HIGH SPEED INKJET PRINTING AND, RAPID ANNEALING AND LIGHT TRAPPING  
Embodiments of the present invention relate to fabricating low cost polysilicon solar cell on flexible substrates using inkjet printing. Particular embodiments form polycrystalline or...
US20090114274 CRYSTALLINE THIN-FILM PHOTOVOLTAIC STRUCTURES  
Semiconductor structures include a substantially untextured substrate layer, a textured buffer layer disposed over the substrate layer, and a semiconductor layer disposed over the textured buffer...
US20080110486 Amorphous-crystalline tandem nanostructured solar cells  
A photovoltaic device that includes a plurality of elongated nanostructures disposed on the surface of a substrate and a multilayered film deposited conformally over the elongated nanostructures...
US20080000522 Photovoltaic device which includes all-back-contact configuration; and related processes  
A semiconductor structure is described, which includes a semiconductor substrate of one conductivity type, having a front surface and a back surface. A first amorphous semiconductor layer is...
US20170149000 ORGANIC COMPOUND, PHOTOVOLTAIC LAYER AND ORGANIC PHOTOVOLTAIC DEVICE  
The present invention relates generally to the field of organic chemistry and particularly to the organic compound for organic photovoltaic devices. More specifically, the present invention is...
US20150349158 METHOD OF FORMING CONTACTS FOR A BACK-CONTACT SOLAR CELL  
Methods of forming contacts for solar cells are described. In one embodiment, a method includes forming a silicon layer above a substrate, forming and patterning a solid-state p-type dopant source...
US20120017977 PHOTOELECTRIC CONVERSION SEMICONDUCTOR LAYER, MANUFACTURING METHOD THEREOF, PHOTOELECTRIC CONVERSION DEVICE, AND SOLAR CELL  
A photoelectric conversion semiconductor layer is provided which is capable of providing a potential gradient in the thickness direction, can be manufactured at a lower cost than a layer formed by...
US20110303273 PHOTOVOLTAIC CELL  
There is disclosed a photovoltaic cell, such as a solar cell, incorporating one or more epitaxially grown layers of SiGe or another germanium material, substantially lattice matched to GaAs. A...