File:PVeff(rev130814).jpg

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Description
English: Conversion efficiencies of best research solar cells worldwide from 1976 through 2013 for various photovoltaic technologies. Efficiencies determined by certified agencies/laboratories.
Date
Source nrel.gov, the website of the National Renewable Energy Laboratory (NREL), Golden, CO
Author NREL
Permission
(Reusing this file)		 "NREL-authored documents are sponsored by the U.S. Department of Energy under Contract DE-AC36-08GO28308. Accordingly, with respect to such documents, the U.S. Government and others acting on its behalf retain a paid-up nonexclusive, irrevocable world-wide license to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government." ([1]).

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Public domain 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/TimeThumbnailDimensionsUserComment
current15:42, 14 August 2013Thumbnail for version as of 15:42, 14 August 20134,056 × 2,424 (3.52 MB)Dgwinner (talk | contribs)User created page with UploadWizard

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