Figure 8. Compositional analysis of CH3NH3PbI3 decorated Zn2SnO4 nanofiber scaffold:
(a) Plane view of STEM micrographs of CH3NH3PbI3 decorated Zn2SnO4 nanofibers and EDS mapping with respective colors (b) STEM micrograph (c)oxygen (d) zinc, (e) tin (f) iodine, (g) lead and (h) EDS spectrum of the CH3NH3PbI3 decorated Zn2SnO4 nanofibers sample. Inset table shows obtained Zn:Sn and Pb:I atomic ratio.