| Patent application number | Description | Published |
|---|
| 20100108503 | CHALCOGENIDE ALLOY SPUTTER TARGETS FOR PHOTOVOLTAIC APPLICATIONS AND METHODS OF MANUFACTURING THE SAME - In one example embodiment, a sputter target structure for depositing semiconducting chalcogenide films is described. The sputter target includes a target body comprising at least one chalcogenide alloy having a chalcogenide alloy purity of at least approximately 2N7, gaseous impurities less than 500 ppm for oxygen (O), nitrogen (N), and hydrogen (H) individually, and a carbon (C) impurity less than 500 ppm. In a particular embodiment, the chalcogens of the at least one chalcogenide alloy comprises at least 20 atomic percent of the target body composition, and the chalcogenide alloy has a density of at least 95% of the theoretical density for the chalcogenide alloy. | 05-06-2010 |
| 20100224245 | Deposition of Photovoltaic Thin Films by Plasma Spray Deposition - In particular embodiments, a method is described for depositing thin films, such as those used in forming a photovoltaic cell or device. In a particular embodiment, the method includes providing a substrate suitable for use in a photovoltaic device and plasma spraying one or more layers over the substrate, the grain size of the grains in each of the one or more layers being at least approximately two times greater than the thickness of the respective layer. | 09-09-2010 |
| 20100224247 | Enhancement of Semiconducting Photovoltaic Absorbers by the Addition of Alkali Salts Through Solution Coating Techniques - In particular embodiments, a method is described for forming photovoltaic devices that includes providing a substrate suitable for use in a photovoltaic device, depositing a conductive contact layer over the substrate, depositing a salt solution over the surface of the conductive contact layer, the solution comprising a volatile solvent and an alkali metal salt solute, and depositing a semiconducting absorber layer over the solute residue left by the evaporated solvent. | 09-09-2010 |
| 20110023933 | Interconnection Schemes for Photovoltaic Cells - In particular embodiments, a method is described for fabricating a photovoltaic cell and includes providing a substrate; depositing a bottom contact layer over the substrate; masking one or more portions of the bottom contact layer; depositing one or more photovoltaic absorber layers over the bottom contact layer; and depositing a top contact layer over the one or more photovoltaic absorber layers, wherein the one or more portions of the bottom contact layer are left exposed after depositing the one or more photovoltaic absorber layers and the top contact layer as a result of the masking thereby leaving the one or more portions of the bottom contact layer suitable for use as electrical contacts. | 02-03-2011 |
