Extended Data Fig. 8: 2D GI-WAXD image focused on the interlayer structure.
From: Perovskite solar cells with atomically coherent interlayers on SnO2 electrodes
Crystallographic information was empirically derived from the diffraction patterns. The crystal structure of this interlayer can be assumed to be tetragonal with a = b = 5.56 Å, c = 5.29 Å. If the (001) crystal plane is oriented parallel to the substrate, the observed characteristic diffraction peaks belong to (11l) and (22l) families.
