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Batteries: Thermoelectric And Photoelectric > Photoelectric > Cells > Cadmium Containing

Cadmium Containing

Cadmium Containing patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

11/06/14 - 20140326315 - Photovoltaic devices and method of making
A photovoltaic device is presented. The photovoltaic device includes a layer stack; and an absorber layer is disposed on the layer stack. The absorber layer comprises selenium, wherein an atomic concentration of selenium varies across a thickness of the absorber layer. The photovoltaic device is substantially free of a cadmium...

10/30/14 - 20140318623 - Photovoltaic semiconductor materials based on alloys of tin sulfide, and methods of production
Photovoltaic thin-film materials comprising crystalline tin sulfide alloys of the general formula Sn1-x(R)xS, where R is selected from magnesium, calcium and strontium, as well as methods of producing the same, are disclosed....

09/25/14 - 20140283913 - Molybdenum substrates for cigs photovoltaic devices
Photovoltaic (PV) devices and solution-based methods of making the same are described. The PV devices include a CIGS-type absorber layer formed on a molybdenum substrate. The molybdenum substrate includes a layer of low-density molybdenum proximate to the absorber layer. The presence of low-density molybdenum proximate to the absorber layer has...

09/18/14 - 20140261685 - Thin film photovoltaic device wtih large grain structure and methods of formation
Embodiments include photovoltaic devices that include at least one absorber layer, e.g. CdTe and/or CdSxTe1-x (where 0≦x≦1), having an average grain size to thickness ratio from greater than 2 to about 50 and an average grain size of between about 4 μm and about 14 μm and methods for forming...

09/18/14 - 20140261686 - Photovoltaic device with a zinc oxide layer and method of formation
Photovoltaic devices with a zinc oxide layer replacing all or part of at least one of a window layer and a buffer layer, and methods of making the devices....

09/18/14 - 20140261687 - Method of reducing semiconductor window layer loss during thin film photovoltaic device fabrication, and resulting device structure
A completed photovoltaic device and method forming it are described in which fluxing of a window layer into an absorber layer is mitigated by the presence of a sacrificial fluxing layer....

09/18/14 - 20140261688 - High efficiency photovoltaic device employing cadmium sulfide telluride and method of manufacture
A photovoltaic device is disclosed including at least one Cadmium Sulfide Telluride (CdSxTe1-x) layer as are methods of forming such a photovoltaic device....

09/18/14 - 20140261689 - Method of manufacturing a photovoltaic device
A photovoltaic device is disclosed, the device having a zinc-containing layer, such as a ZnO1-xSx layer, as a window layer, as part of a composite window layer, and/or as a buffer layer. Use of the ZnO1-xSx layer improves an overall efficiency of the photovoltaic device due to improved optical transmission...

08/07/14 - 20140216550 - Photovoltaic device including a p-n junction and method of manufacturing
A photovoltaic device includes a substrate structure and a p-type semiconductor absorber layer, the substrate structure including a CdSSe layer. A photovoltaic device may alternatively include a CdSeTe layer. A process for manufacturing a photovoltaic device includes forming a CdSSe layer over a substrate by at least one of sputtering,...

06/19/14 - 20140166107 - Back-contact electron reflectors enhancing thin film solar cell efficiency
Methods for improving the efficiency of solar cells are disclosed. A solar cell consistent with the present disclosure includes a back contact metal layer disposed on a substrate. The solar cell also includes an electron reflector material(s) layer formed on the back contact metal layer and an absorber material(s) layer...

06/05/14 - 20140150867 - Fusion formable silica and sodium containing glasses
Sodium containing aluminosilicate and boroaluminosilicate glasses are described herein. The glasses can be used as substrates or superstrates for photovoltaic devices, for example, thin film photovoltaic devices such as CIGS photovoltaic devices. These glasses can be characterized as having strain points ≧535° C., for example, ≧570° C., thermal expansion coefficients...

05/22/14 - 20140137942 - Ink composition, thin film solar cell and methods for forming the same
An ink composition, a thin film solar cell and method for forming the thin film solar cell are disclosed. The ink composition includes a solvent system, a source of Cu, a source of Zn, a source of Sn, a source of S and/or Se, and a source of group III...

05/15/14 - 20140130868 - Spray deposition method for inorganic nanocrystal solar cells
A method of spray deposition for inorganic nanocrystal solar cells comprising subjecting a first solution of CdTe or CdSe nanocrystals to ligand exchange with a small coordinating molecule, diluting the first solution in solvent to form a second solution, applying the second solution to a substrate, drying the substrate, dipping...

05/15/14 - 20140130869 - Inorganic nanocrystal solar cells
An inorganic nanocrystal solar cell comprising a substrate, a layer of metal, a layer of CdTe, a layer of CdSe, and a layer of transparent conductor. An inorganic nanocrystal solar cell comprising a transparent conductive substrate, a layer of CdSe, a layer of CdTe, and a Au contact. A method...

03/27/14 - 20140083505 - Varying cadmium telluride growth temperature during deposition to increase solar cell reliability
A method for forming thin films or layers of cadmium telluride (CdTe) for use in photovoltaic modules or solar cells. The method includes varying the substrate temperature during the growth of the CdTe layer by preheating a substrate (e.g., a substrate with a cadmium sulfide (CdS) heterojunction or layer) suspended...

01/02/14 - 20140000712 - Niobium thin film stress relieving layer for thin-film solar cells
A method of forming a photovoltaic device includes forming a thermal stress relieving layer on top of a substrate and forming a sacrificial back electrode metal layer on the thermal stress relieving layer. A semiconductor photon absorber layer is formed on the sacrificial back electrode metal layer, and the absorber...

10/03/13 - 20130255779 - Intermediate thermal expansion coefficient glass
CTE-matched silicate glasses and more particularly to low-alkali CTE-matched silicate glasses that are useful in semiconductor-based applications, such as photovoltaics are described along with methods of making such glasses....

08/15/13 - 20130206231 - Electron-deficient fluorous porphyrins and methods of making and their use in organic solar cells
Electron-deficient fluorous porphyrin molecules may have dual functions of light harvesting and electron accepting or donating and may be ideally suited for use in organic solar cells. Methods of making electron-deficient fluorous porphyrin molecules are described....

05/30/13 - 20130133745 - Incorporation of alkaline earth ions into alkali-containing glass surfaces to inhibit alkali egress
Leaching alkali ions from a glass substrate to form a glass substrate having an intrinsic alkali barrier layer includes providing a glass substrate comprising alkali metal ions and having at least two opposing surfaces and a thickness between the surfaces, and contacting at least one of the surfaces of the...

05/09/13 - 20130112273 - Solar cell
wherein A, B, C and D indicate said group 11 elements, said group 12 elements, said group 13 elements and said group 16 elements, respectively, x, y, z and w are respectively numbers indicating a composition ratio, and x and z satisfy a relationship of x/z>1....

05/02/13 - 20130104985 - Photovoltaic device with mangenese and tellurium interlayer
A photovoltaic device includes an absorber layer comprising a material comprising cadmium and tellurium. The photovoltaic device further includes a p+-type semiconductor layer and an interlayer interposed between the absorber layer and the p+-type semiconductor layer. The interlayer comprises manganese. The photovoltaic device may be manufactured as a substrate-based device...

05/02/13 - 20130104986 - Solar cells and methods of manufacturing the same
Provided are solar cells and methods of manufacturing the same. The solar cell includes a first electrode, a second electrode facing and separated from the first electrode, and a quantum dot-graphine hybrid composite disposed between the first and second electrodes. Quantum dots are combined with graphine in a π-bond within...

03/28/13 - 20130074933 - Photovoltaic device and method for making the same
A photovoltaic device includes: a back electrode; a transparent front electrode; a p-type semiconductor layer disposed between the transparent front electrode and the back electrode and made from a first semiconductor compound including M1, M2, and A1, the p-type semiconductor layer having a M1/M2 atomic ratio; and an n-type layered...

01/24/13 - 20130019948 - Stabilized back contact for photovoltaic devices and methods of their manufacture
Thin film photovoltaic devices including a thin film stabilization layer between the photovoltaic heterojunction and a back contact are provided. The thin film stabilization layer generally includes cadmium sulfide, but may also include copper and/or other materials. Methods are also provided for forming a thin film photovoltaic device via forming...

01/03/13 - 20130000726 - Thin film photovoltaic cell, a method for manufacturing, and use
A thin film photovoltaic cell (10) comprises an n-type semiconductor window layer (40), a p-type semiconductor absorption layer (5) and a pn-junction (6) at the interface between these two layers, wherein the p-type semiconductor absorption layer is formed of cadmium telluride CdTe. According to the present invention, the n-type semiconductor...

09/06/12 - 20120222742 - Compound thin film solar cell and method for manufacturing the same
A compound thin film solar cell of an embodiment includes: as a light-absorbing layer a semiconductor thin film which contains Cu, an element A (A is at least one element selected from a group consisting of Al, In and Ga) and Te, and has a chalcopyrite crystal structure, wherein a...

08/02/12 - 20120192948 - High efficiency cadmium telluride solar cell and method of fabrication
A method of forming an ohmic contact and electron reflector on a surface of a CdTe containing compound film as may be found, for example in a photovoltaic cell. The method comprises forming a Cd-deficient, Te-rich surface region at a surface of the CdTe containing compound film; exposing the Cd-deficient...

06/21/12 - 20120152351 - Photovoltaic device
In general, a photovoltaic module may include a binary semiconductor layer formed from a vapor rich in one component of a binary semiconductor source....

05/31/12 - 20120132281 - Thin-film solar cell and manufacturing method thereof
A thin-film solar cell and a manufacturing method thereof are disclosed. The method of manufacturing the thin-film solar cell includes the steps of providing a substrate; forming a diffusion barrier layer on the substrate; forming a back electrode layer on the diffusion barrier layer; forming a precursor layer on the...

05/31/12 - 20120132282 - Alkali-free high strain point glass
A compositional range of high strain point alkali metal free, silicate, aluminosilicate and boroaluminosilicate glasses are described herein. The glasses can be used as substrates for photovoltaic devices, for example, thin film photovoltaic devices such as CIGS photovoltaic devices. These glasses can be characterized as having strain points ≧570° C.,...

05/31/12 - 20120132283 - Cadmium telluride solar cell and method of fabricating the same
A thin film solar cell includes a buffer layer disposed between a transparent conductive layer and a junction partner layer. The solar cell has an absorber layer made from a Group II-VI compound which is in contact with the junction partner layer. The buffer layer is made from at least...

05/10/12 - 20120111408 - Controlled carbon deposition
A coating of a photovoltaic device can include a self-assembled monolayer of molecules....

04/19/12 - 20120090683 - Method and substrates for making photovoltaic cells
Methods of and apparatuses for making a photovoltaic cell are provided. The photovoltaic cell is able to have a substrate made of a composite material. The composite material is able to be formed by mixing a binder and a physical property enhancing material to form a mixer. The binder is...

04/12/12 - 20120085409 - Method for enhancing the conversion efficiency of cdse-quantum dot sensitized solar cells
CdSe-quantum dots are formed on a TiO2 patterned layer by chemical deposition from a solution of aminotriacetic acid/cadmium (NTA/Cd) and sodium selenosulfate. CdSe-quantum dots are useful as sensitizers for solar cells. The conversion efficiency of light of light power to electric power is enhanced by adjusting the ratio of potassium...

04/12/12 - 20120085410 - Flexible quantum dot sensitized solar cells
A flexible solar cell is assembled by forming a TiO2 patterned layer on a flexible substrate electrode. Quantum dots (QDs) are formed on the TiO2 patterned layer. A gasket is disposed between the flexible substrate electrode and a flexible counter electrode forming a sandwich. Electrolyte and sealant are injected between...

04/05/12 - 20120080090 - Transparent conductor film stack with cadmium stannate, corresponding photovoltaic device, and method of making same
Certain example embodiments relate to a transparent conductor film stack with cadmium stannate used as a front contact layer and/or a buffer layer in a photovoltaic device or the like. The cadmium stannate-based layers may be provided between the front glass substrate and the semiconductor absorber film in a photovoltaic...

03/29/12 - 20120073657 - Alternating bias hot carrier solar cells
Extremely high efficiency solar cells are described. Novel alternating bias schemes enhance the photovoltaic power extraction capability above the cell band-gap by enabling the extraction of hot carriers. In conventional solar cells, this alternating bias scheme has the potential of more than doubling their yielded net efficiency. In solar cells...

03/22/12 - 20120067421 - Photovoltaic device with a zinc magnesium oxide window layer
Methods and devices are described for a photovoltaic device and substrate structure. In one embodiment, a photovoltaic device includes a substrate structure and a CdTe absorber layer, the substrate structure including a Zn1−xMgxO window layer and a low conductivity buffer layer. Another embodiment is directed to a process for manufacturing...

03/22/12 - 20120067422 - Photovoltaic device with a metal sulfide oxide window layer
Methods and devices are described for a photovoltaic device and substrate structure. In one embodiment, a photovoltaic device includes a substrate structure and a MS 1-xOx window layer formed over the substrate structure, wherein M is an element from the group consisting of Zn, Sn, and In. Another embodiment is...

03/15/12 - 20120060922 - Layered inorganic nanocrystal photovoltaic devices
A non-sintered structure. The non-sintered structure includes a first non-sintered nanocrystal layer, and a second non-sintered nanocrystal layer wherein the first layer and the second layer are configured to interact electronically....

03/15/12 - 20120060923 - Photovoltaic device barrier layer
A structure including a barrier layer adjacent to a substrate, a transparent conductive oxide layer adjacent to the barrier layer, and a buffer layer adjacent to the transparent conductive oxide layer. In the structure, the barrier layer includes a silicon aluminum oxide, the transparent conductive oxide layer includes cadmium and...

03/15/12 - 20120060924 - Methods and systems for forming functionally graded films by spray pyrolysis
Method and system for forming a plurality of cadmium-sulfide layers. The method includes preparing a first solution and a second solution. The method further includes loading at least the first solution and the second solution into a pyrolysis-deposition system and placing a target structure into the pyrolysis-depositions system. The method...

02/23/12 - 20120042950 - P-doping of cdte polycrystalline thin film based on cd vacancy theory
Exemplary embodiments of the present disclosure are directed to improve p-type doping (p-doping) of cadmium telluride (CdTe) for CdTe-based solar cells, such as cadmium Sulfide (Cds)/CdTe solar cells. Embodiments can achieve improved p-doping of CdTe by creating a high density of cadmium (Cd) vacancies (VCd) and subsequently substituting a high...

02/16/12 - 20120037229 - Photovoltaic glass laminated articles and layered articles
Laminated articles and layered articles, for example, low alkali glass and/or low sodium laminated articles and layered articles useful for, for example, photovoltaic devices are described....

02/09/12 - 20120031490 - Quantum dot solar cells and methods for manufacturing such solar cells
Solar cells, methods for manufacturing a quantum dot layer for a solar cell, and methods for manufacturing solar cells are disclosed. An illustrative method for manufacturing a solar cell may include dissolving a cadmium-containing compound in a first non-aqueous solvent to form a cadmium precursor solution, dissolving a selenium-containing compound...

02/02/12 - 20120024380 - Intermixing of cadmium sulfide layers and cadmium telluride layers for thin film photovoltaic devices and methods of their manufacture
Cadmium telluride thin film photovoltaic devices are generally disclosed including an intermixed layer of cadmium sulfide and cadmium telluride between a cadmium sulfide layer and a cadmium telluride layer. The intermixed layer generally has an increasing tellurium concentration and decreasing sulfur concentration extending in a direction from the cadmium sulfide...

01/26/12 - 20120017990 - Phyllosilicate composites containing mica
Disclosed is a mica paper composite and a process for making the mica paper composite. Particularly disclosed is a process for chemically planarizing the surface of a mica composite. Articles comprising the mica paper composite are also disclosed....

01/12/12 - 20120006408 - Alternating bias hot carrier solar cells
Designs of extremely high efficiency solar cells are described. A novel alternating bias scheme enhances the photovoltaic power extraction capability above the cell band-gap by enabling the extraction of hot carriers. When applied in conventional solar cells, this alternating bias scheme has the potential of more than doubling their yielded...

12/22/11 - 20110308613 - Photovoltaic devices with nanostructure/conjugated polymer hybrid layer and its matched electron transporting layer
The present invention discloses a photovoltaic device comprising a multilayer structure for generating and transporting charge, wherein the multilayer structure comprises: a substrate; an anode layer; a hole transporting layer; a first nanostructure/conjugated polymer hybrid layer; an network-shaped electron transporting layer matched to the hybrid layer; and a cathode layer....

11/24/11 - 20110284078 - Method of forming cadmium telluride thin film
A method of forming a metal telluride (MTe) film on a base where M is Cd and optionally additionally may include at least one of Zn, Hg, Mn and Mg, involves depositing a Te-rich precursor layer on a base and reaction of the Te-rich precursor layer with an M-containing material...

11/03/11 - 20110265874 - Cadmium sulfide layers for use in cadmium telluride based thin film photovoltaic devices and methods of their manufacture
Cadmium telluride based thin film photovoltaic devices are also generally provided. The device can include a substrate; a transparent conductive oxide layer on the substrate; a cadmium sulfide layer on the transparent conductive oxide layer; and, a cadmium telluride layer on the cadmium sulfide layer. The cadmium sulfide layer includes...

11/03/11 - 20110265875 - Copper and indium based photovoltaic devices and associated methods
Optoelectronic devices having enhanced conversion efficiencies and associated methods are provided. In one aspect, for example, a method of making an optoelectronic device can include applying an absorption layer onto a support substrate, the absorption layer including a material such as CIGS, CIG, CI, CZT, CdTe, and combinations thereof. Additional...