Keywords: PVeff(rev160108).jpg en Conversion efficiencies of best research solar cells worldwide from 1976 through 2016 for various photovoltaic technologies Efficiencies determined by certified agencies/laboratories 2016-01-07 08 52 44 National Renewable Energy Laboratory NREL Golden CO Sarah Kurtz and Keith Emery other versions PD-USGov Uploaded with UploadWizard Uncategorized 2016 January 8 |