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| Number | Title | Issue Date |
| 7087834 | Apparatus and method for photovoltaic energy production based on internal charge emission in a solid-state heterostructure An apparatus and method for solar energy production comprises a multi-layer solid-state structure including a photosensitive layer, a thin conductor, a charge separation layer, and a back ohmic conductor, wherein light absorption occurs in a photosensitive layer and... | 08/08/2006 |