Inhibiting defect passivation failure in perovskite for perovskite/Cu(In,Ga)Se2 monolithic tandem solar cells with certified efficiency 27.35%

Pei et al. overcome desorption of passivating molecules under photothermal stress in wide-bandgap perovskites and achieve perovskite/Cu(In,Ga)Se2 tandem solar cells with a certified efficiency of 27.35%.