Abstract
The experimental preparation of Cesium Methylammonium Lead Iodide-Bromide (CsFAMAPbIBr) perovskite cell, and for the two kinds of perovskite cell morphology, optical properties, cell performance parameters and stability were compared, found that CsFAMAPbIBr perovskite cell in the above aspects have more outstanding performance. The CsFAMAPbIBr cell shows the best power conversion efficiency (PCE = 22.37 %) is higher than the MAPbI3 cell’s best power conversion efficiency (PCE = 18.46 %), and has high repeatability and long-term storage stability (air, >40 %RH, 500 h, 82 % of initial PCE).
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