Engineers from the Australian Centre for Advanced Photovoltaics (ACAP) at the University of New South Wales (UNSW; Sydney, Australia) have bested the world efficiency record for solar cells made of perovskite. The new 12.1% efficiency rating was for a 16 cm2 perovskite solar cell, the largest single perovskite photovoltaic cell certified with the highest energy-conversion efficiency, and was independently confirmed by Newport Corp. (Bozeman, MT). The new cell is at least 10 times bigger than the current certified high-efficiency perovskite solar cells on record.