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Batteries: Thermoelectric And Photoelectric > Photoelectric > Cells > Silicon Or Germanium Containing Silicon Or Germanium ContainingSilicon Or Germanium Containing patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/27/07 - 20070295399 - Back-contact photovoltaic cells A photovoltaic cell comprising a wafer comprising a semiconductor material of a first conductivity type, the wafer comprising a first light receiving surface and a second surface opposite the first surface; a first passivation layer positioned over the first surface of the wafer; a first electrical contact comprising point contacts ... 10/04/07 - 20070227589 - Germanium solar cell and method for the production thereof A method is disclosed for passivating and contacting a surface of a germanium substrate. A passivation layer of amorphous silicon material is formed on the germanium surface. A contact layer of metal is then formed on the passivation. The structure is heated so that the germanium surface makes contact with ... 09/13/07 - 20070209699 - Thin film solar cell and its fabrication process A method for producing a solar cell including the steps of forming a p-type microcrystalline silicon oxide layer on a glass substrate using a PECVD method and raw gases comprising Silane gas, Diborane gas, Hydrogen gas and Carbon Dioxide gas. The method may employ a frequency of between about 13.56-60 ... 06/21/07 - 20070137699 - Solar cell and method for fabricating solar cell A method for fabricating a solar cell is provided. The method includes positioning a silicon substrate having a front surface and an opposing back surface in a plasma reaction chamber. A high-efficiency emitter structure is formed on the first surface of the silicon substrate. A back surface passivated structure is ... 06/21/07 - 20070137698 - Monolithic photovoltaic energy conversion device A multijunction, monolithic, photovoltaic (PV) cell and device (600) is provided for converting radiant energy to photocurrent and photovoltage with improved efficiency. The PV cell includes an array of subcells (602), i.e., active p/n junctions, grown on a compliant substrate, where the compliant substrate accommodates greater flexibility in matching lattice ... 04/26/07 - 20070089781 - Solar-cell single-crystal silicon substrate, solar cell element, and method for producing the same In growing a single-crystal silicon by the present invention in a Czochralski method, after a surface of a silicon melt is brought into contact with a seed crystal in a crucible, the silicon melt being added with germanium, the single-crystal silicon is pulled while rotated, and the solar-cell single-crystal silicon ... 02/22/07 - 20070039645 - Photovoltaic element A photovoltaic element, in particular, for application as solar cell for photovoltaic units, comprises a photon absorber. An electrically conductive working element is at least partly embedded in the photon absorber. The working element is separated from the photon absorber by means of a phase boundary. The working element further ... 01/11/07 - 20070006916 - Solar-cell polycrystalline silicon and method for producing the same In the conventional cast method, when an element causing large segregation is added to a polycrystalline silicon ingot, a concentration fluctuation becomes large depending on a region, and the yield of a portion having the target composition is low. On the contrary, the present invention enables to make the ingot ... 01/11/07 - 20070006915 - Multi-crystalline silicon-germanium bulk crystal for use as a solar cell and method of making A multi-crystalline silicon germanium bulk crystal with microscopic compositional distribution is adapted for use in solar cells to substantially increase conversion efficiency. By controlling the average Ge concentration between 0.1 and 8.0 mole percent, significant improvements are attained with respect to short circuit current density and conversion efficiency. ... 01/11/07 - 20070006914 - Nanostructured materials and photovoltaic devices including nanostructured materials 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 second nano-network coupled to the first nano-network and formed from a second set of nanoparticles. At least one of ... 09/21/06 - 20060207651 - Germanium solar cell and method for the production thereof A method is disclosed for passivating and contacting a surface of a germanium substrate. A passivation layer of amorphous silicon material is formed on the germanium surface. A contact layer of metal, e.g., aluminum, is then formed on the passivation layer. The structure is heated so that the germanium surface ... 08/10/06 - 20060174935 - Silicon based thin film solar cell According to the present invention, sufficient light trapping effect can be exhibited and series resistance can be kept small, by sequentially forming a silicon based low refractive index layer and a thin silicon based interface layer on a backside of a photoelectric conversion layer observed from a light incident side, ... 07/27/06 - 20060162767 - Multi-junction, monolithic solar cell with active silicon substrate A monolithic multi-junction (tandem) photo-voltaic (PV) device includes one or more PV subcells epitaxially formed on a compliant silicon substrate (102). The compliant silicon substrate (102) includes a base silicon layer (108), a conductive perovskite layer (112), and an oxide layer (110) interposed between the base silicon layer (108) and ... 06/08/06 - 20060118164 - Plastic film supported single crystal silicon photovoltaic cell structure and method of fabrication A method of fabricating a wafer-size photovoltaic cell module includes defining an integrated cellular structure of a light converting monolateral or bilateral junction diode in an epitaxially grown detachable layer including a first deposited metal current collecting terminal of the diode. The method also includes laminating onto the surface of ... 04/06/06 - 20060070652 - Drop tube type granular crystal producing device A drop tube type particulate crystalline body producing device is a device for creating a substantially spherical crystalline body by solidifying a particulate melt of an inorganic material while allowing it to free-fall inside a drop tube. This device 1 has a melt formation device 2, drop tube 3, gas ... 09/08/05 - 20050194039 - Method of preparing a silicon nitride based substrate for semiconductor components A process of producing a substrate is described. The process involves mixing intensively a starting mixture comprising silicon power, Si3N4, an silicon-organic polymer, and optionally an anhydrous organic pressing oil, thereby forming an intermediate mixture. The intermediate mixture is then shaped by a method selected from dry pressing, slip casting, ... 09/01/05 - 20050189015 - Silicon solar cells and methods of fabrication Devices, solar cell structures, and methods of fabrication thereof, are disclosed. Briefly described, one exemplary embodiment of the device, among others, includes: a co-fired p-type silicon substrate, wherein the bulk lifetime is about 20 to 125 μs; an n+ layer formed on the top-side of the p-silicon substrate; a silicon ... 08/11/05 - 20050172998 - Buried-contact solar cells with self-doping contacts A buried-contact solar cell, in-process buried-contact solar cell components and methods for making buried contact solar cells wherein a self-doping contact material is placed in a plurality of buried-contact surface grooves. By combining groove doping and metallization steps, the resulting solar cell is simpler and more economical to manufacture. ... 08/11/05 - 20050172997 - Back contact and back reflector for thin film silicon solar cells A thin film silicon solar cell for use in photovoltaic cells having a carrier substrate, a front transparent conductive oxide contact, a thin film silicon solar cell layer having at least one layer of hydrogenated microcrystalline silicon or nanocrystalline silicon, and a back contact having a transparent conductive oxide contact ... ### FreshPatents.com Support |