For the surface treatment of perovskite, 30 μL of n-Bu4S and n-Bu4Se solutions were spin-coated on the perovskite film at 3000 rpm for 30 s, followed by annealing at 100 C for 10 minutes.

A collaborative effort between NREL and CubicPV has yielded a perovskite minimodule with 24.0 percent certified efficiency, ...

A research group led by German research institute Helmholtz-Zentrum Berlin für Materialien und Energie GmbH has demonstrated a tandem perovskite-silicon solar cell based on submicrometre-periodic ...