摘要:
Techniques for providing high-capacity, re-workable connections in concentrated photovoltaic devices are provided. In one aspect, a lead frame package for a photovoltaic device is provided that includes a beam shield; and one or more lead frame connectors affixed to the beam shield, wherein the lead frame connectors are configured to provide connection to the photovoltaic device when the photovoltaic device is assembled to the lead frame package. A photovoltaic apparatus is also provided that includes a lead frame package assembled to a photovoltaic device. The lead frame package includes a beam shield and one or more lead frame connectors affixed to the beam shield, wherein the lead frame connectors are configured to provide connection to the photovoltaic device.
摘要:
A memory cell includes at least one heater, and at least two leads and a heating element which is formed between at least two leads, a material of the heating element being different from a material of at least two leads such that a location of a hot spot in the heater is controllable based on a polarity of current in the heater and at least one storage medium formed adjacent to at least one heater.
摘要:
Embodiments relate to a solar cell apparatus including a molybdenum (Mo) contact layer and an annealed absorber layer including zinc and sulfur directly adjacent to the Mo contact layer. The apparatus has no molybdenum disulfide (MoS2) layer located between the Mo contact layer and the annealed absorber layer. The apparatus further includes a buffer layer adjacent to the annealed absorber layer.
摘要:
A memory device and a method of forming the same are provided. The memory device includes a substrate; a set of electrodes disposed on the substrate; a dielectric layer formed between the set of electrodes; and a transition metal oxide layer formed between the set of electrodes, the transition metal oxide layer configured to undergo a metal-insulator transition (MIT) to perform a read or write operation.
摘要:
The present invention provides a semiconductor structure including a semiconductor substrate having a plurality of source and drain diffusion regions located therein, each pair of source and drain diffusion regions are separated by a device channel. The structure further includes a first gate stack of pFET device located on top of some of the device channels, the first gate stack including a high-k gate dielectric, an insulating interlayer abutting the gate dielectric and a fully silicided metal gate electrode abutting the insulating interlayer, the insulating interlayer includes an insulating metal nitride that stabilizes threshold voltage and flatband voltage of the p-FET device to a targeted value and is one of aluminum oxynitride, boron nitride, boron oxynitride, gallium nitride, gallium oxynitride, indium nitride and indium oxynitride. A second gate stack of an nFET devices is located on top remaining device channels, the second gate stack including a high-k gate dielectric and a fully silicided gate electrode located directly atop the high-k gate dielectric.
摘要:
Techniques for fabricating thin film solar cells, such as CuZnSn(S,Se) (CZTSSe) solar cells are provided. In one aspect, a method of fabricating a solar cell is provided that includes the following steps. A substrate is provided. The substrate is coated with a molybdenum (Mo) layer. A stress-relief layer is deposited on the Mo layer. The stress-relief layer is coated with a diffusion barrier. Absorber layer constituent components are deposited on the diffusion barrier, wherein the constituent components comprise one or more of sulfur (S) and selenium (Se). The constituent components are annealed to form an absorber layer, wherein the stress-relief layer relieves thermal stress imposed on the absorber layer, and wherein the diffusion barrier blocks diffusion of the one or more of S and Se into the Mo layer. A buffer layer is formed on the absorber layer. A transparent conductive electrode is formed on the buffer layer.
摘要:
A multi-junction photovoltaic device includes a silicon substrate and a dielectric layer formed on the silicon substrate. A germanium layer is formed on the dielectric layer. The germanium includes a crystalline structure that is substantially similar to the crystalline structure of the silicon substrate. A first photovoltaic sub-cell includes a first plurality of doped semiconductor layers formed on the germanium layer. At least a second photovoltaic sub-cell includes a second plurality of doped semiconductor layers formed on the first photovoltaic sub-cell that is on the germanium layer that is on the dielectric layer.
摘要:
A method of concentrating solar energy includes receiving solar energy through a surface of an optically clear shell, guiding the solar energy through a liquid contained in the optically clear shell, folding the solar energy back through the liquid toward a solar receiver, and shifting the solar receiver within the optically clear shell to track the sun, wherein the solar energy collected by the solar receiver is converted into electrical energy.
摘要:
A photovoltaic cell and a method of forming an electrode grid on a photovoltaic semiconductor substrate of a photovoltaic cell are disclosed. In one embodiment, the photovoltaic cell comprises a photovoltaic semiconductor substrate; a back electrode electrically connected to a back surface of the substrate; and a front electrode electrically connected to a front surface of the substrate. The substrate, back electrode, and front electrode form an electric circuit for generating an electric current when said substrate absorbs light. The front electrode is comprised of a metal grid defining a multitude of holes. These holes may be periodic, aperiodic, or partially periodic. The front electrode may be formed by depositing nanospheres on the substrate; forming a metallic layer on the substrate, around the nanospheres; and removing the nanospheres, leaving an electrode grid defining a multitude of holes on the substrate.
摘要:
A solar concentration system includes an optically clear shell member having an outer surface and an inner surface, with the inner surface defining a hollow interior portion, a liquid contained within the hollow interior portion of the optically clear shell, and a solar collection system contained within the hollow interior portion of the optically clear shell. The solar collection system includes a tracking system configured and disposed to selectively shift within the hollow interior portion, a reflector member mounted to the tracking system, and a solar receiver mounted to the tracking system. The tracking system being configured and disposed orient the reflector member and the solar receiver to follow a path of the sun enhancing the collection of solar energy.