Perovskite Solar Cell Improvement Could Help them Go Mainstream

Feb-11-19 An insight into perovskite solar cells could lead to a more efficient and robust version able to compete in the marketplace.

Developed by teams from MIT, Georgia Tech and the University of California San Diego, the solar cells get their added strength and efficiency from the careful addition of cesium and rubidium to the bromine and iodine lead perovskite. This addition caused the bromine and iodine to mix more thoroughly, which in turn resulted in a conversion efficiency increase of two percent and helped reduce the effects of ‘dead zones’ that can cause current and voltage loss.

According to Georgia Tech assistant professor Juan-Pablo Correa-Baena, "These materials promise to be very cost effective and high performing, which is pretty much what we need to make sure photovoltaic panels are deployed widely."

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