Keywords: PVeff(rev161202).jpg en Conversion efficiencies of best research solar cells worldwide from 1976 through 2016 for various photovoltaic technologies Efficiencies determined by certified agencies/laboratories 2016-12-02 01 00 20 National Renewable Energy Laboratory NREL Golden CO Sarah Kurtz and Dean Levi other versions PD-USGov Uncategorized 2016 December 2 |