Keywords: PVeff(rev160812).jpg en Conversion efficiencies of best research solar cells worldwide from 1976 through 2016 for various photovoltaic technologies Efficiencies determined by certified agencies/laboratories 2016-08-12 02 45 23 National Renewable Energy Laboratory NREL Golden CO Sarah Kurtz and Keith Emery other versions PD-USGov Uncategorized 2016 August 12 |