Fig. 6: Stabilization management progress and photovoltaic efficiency trend of black phase CsPbI3.
From: Phase stabilization of cesium lead iodide perovskites for use in efficient optoelectronic devices

Overview of recent progress in CsPbI3 perovskite solar cell efficiencies in the α37,39,45,57,66,67,75,94,95,97,110,115,117,118,119,120,121,123,125,143,148,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169 (black) and β/γ23,24,62,75,85,101,105,108,109,114,115,116,122,124,126,127,134,153,170 (blue) phases, identifying key technological advances.