Figure 3

XRD patterns of MAPbI3 powder and film prepared by SSPVD (a), EDS spectral line pattern of MAPbI3 powder and film prepared by SSPVD (b).
XRD patterns of MAPbI3 powder and film prepared by SSPVD (a), EDS spectral line pattern of MAPbI3 powder and film prepared by SSPVD (b).