Open Image…Save ImageOpen Image (using #TmpD/ia)… Helmholtz-Zentrum Berlin für Materialien und Energie (HZB) scientists have set the current world record of 29.15% efficiency for a tandem solar cell made of perovskite and silicon. The tandem cell provided stable performance for 300 hours – even without encapsulation. To accomplish this, the group investigated physical processes at the interfaces to improve the […]