Photovoltaic technology breakthrough: The science behind achieving 31.25% efficiency

Scientists from EPFL's Photovoltaics and Thin Film Electronics Laboratory (PV-Lab) and CSEM have made remarkable progress in the photovoltaics field, specifically in perovskite-on-silicon tandem solar cells, by achieving an impressive efficiency of 31.25%. This noteworthy accomplishment is a result of advancements in materials and processes that have successfully unlocked the true potential of this emerging technology. The scientific breakthrough behind this milestone has been published in the prestigious journal Science, representing a significant step towards a greener, cleaner energy future and the ongoing energy transition.