Fig. 2From: High-Performance CsPbI2Br Perovskite Solar Cells with Zinc and Manganese DopingX-Ray diffraction (XRD) patterns (a) and the enlarged region of (100) peaks (b) for the CsPbI2Br-ZnCl2-MnCl2 films. XPS spectra of the CsPbI2Br-ZnCl2-MnCl2 films for Cs 3d (c), Pb 4f (d), I 3d (e), and Br 3d (f)Back to article page