Research / 2021 / Article / Fig 3

Research Article

Electron-Beam Irradiation Induced Regulation of Surface Defects in Lead Halide Perovskite Thin Films

Figure 3

XRD and XPS Characterizations. (a) XRD patterns of MAPI0, MAPI2-2, MAPI3-3, MAPI4-4, MAPI5-5, MAPI6-6, MAPI7-7, MAPI8-8, and MAPI9-9. (b) Corresponding contour map of XRD patterns. (c–f) Pb 4f spectra of MAPI0, MAPI2-2, MAPI6-4, and MAPI9-9. (g–j) C 1s spectra of MAPI0, MAPI2-2, MAPI6-4, and MAPI9-9.