Scatter Plot from Scientific Research

Initial optical PCE disorder (FWHM of PCE distribution) versus initial PCE (mean of PCE distribution) for a range of perovskite devices, where each point is an individual device. Linear regression shows a Pearson’s r value of −0.71, Spearman’s r value of −0.77 and a P value of <0.01 (two-sided tests). Shaded regions represent the 95% confidence interval of the linear fit from a Student’s t distribution percent points function ( n = 75 devices).

DOI