German Researchers Achieve World Record 25.5% Efficiency for Perovskite-CIGS Tandem Solar Cell
pv magazine Global Germany Overview Researchers from Helmholtz-Zentrum Berlin (HZB) and Humboldt-Universität in Germany have set a new world record power conversion efficiency of 25.5% for a perovskite-CIGS (Copper, Indium, Gallium, Sele...
