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Dávid Forgács

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Strontium Insertion in Methylammonium Lead Iodide

Long Charge Carrier Lifetime and High Fill-Factor Solar Cells

Abstract The addition of Sr2+ in CH3NH3PbI3 perovskite films enhances the charge carrier collection efficiency of solar cells leading to very high fill factors, up to 85%. The charge carrier lifetime of Sr2+-containing perovskites is in excess of 40 μs, longer than those report ...