File:PVeff(rev140416)a.jpg
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| Description |
English: Conversion efficiencies of best research solar cells worldwide from 1976 through 2014 for various photovoltaic technologies. Efficiencies determined by certified agencies/laboratories. |
| Date | |
| Source | National Renewable Energy Laboratory (NREL), Golden, CO |
| Author | Greg Wilson and Keith Emery |
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This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:09, 17 April 2014 | | 4,108 × 2,456 (3.27 MB) | Dgwinner (talk | contribs) | User created page with UploadWizard |
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