Extended Data Fig. 3: Additional structure characterizations of the hetero-dimensional-bilayer tin perovskite film.
From: Spin coating epitaxial heterodimensional tin perovskites for light-emitting diodes
a, XRD patterns of the film before and after transfer. b, Top view SEM image of the film transferred on a TEM copper grid. The scale bar represents 1 μm. These results suggest that the transferred film has the same 2D/3D structure as the spin-coated film on an ITO substrate.
