Understanding and suppressing non-radiative losses in methylammonium-free wide-bandgap perovskite solar cells

Oliver RDJ, Caprioglio P, Peña-Camargo F, Buizza L, Zu F, Ramadan AJ, Motti S, Mahesh S, McCarthy M, Warby JH, Lin Y-H, Koch N
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With power conversion efficiencies of perovskite-on-silicon and all-perovskite tandem solar cells increasing at rapid pace, wide bandgap (> 1.7 eV) metal-halide perovskites (MHPs) are becoming a major focus of academic and industrial photovoltaic research. Compared to their lower bandgap (