Fig. 5: Performance analysis and stability evaluation.
From: Entropy-driven strategy stabilizes photoactive halide perovskites for inverted solar cells
a VOC vs. light intensity for the control and aminothiadiazole isomers-treated devices. b EQEEL as a function of injection current density for the control and aminothiadiazole isomers-treated devices (inset: photograph displays the electroluminescence image of a 2NTD-modified device). c Urbach energy (EU) of the control and aminothiadiazole isomers treated perovskite films (The error bars represent the standard deviation from five devices). d Charge collection efficiency (ηcc) profiles of the control and aminothiadiazole isomers-modified PSCs. e TPV and f TPC decay curves of the control and aminothiadiazole isomers-treated devices. g Stability of the unencapsulated control and aminothiadiazole isomers-modified devices under 85 oC heating in a N2-filled glovebox (The error bars represent the standard deviation from three devices). h Stability of the unencapsulated PSCs with MPP tracking at room temperature under one sun equivalent white LED illumination.
