. 2023 Mar 28;3(3):230–240. doi: 10.1021/acsnanoscienceau.2c00065

Table 3. XPS Peak Position for MAPbI₃ Thin Films with and without Air Exposure^a.

	Pb 4f (Pb²⁺⁾	Pb 4f (Pb⁰)	I 3d or Br 3d*	C 1s (C–C)	C 1s (C–N)	N 1s
not exposed to air, MAPbI₃	138.50	136.8	619.25	285.0	286.4	402.39
exposed to air, MAPbI₃	138.50	136.7	619.18	284.8	286.6	402.24

For the doublets, only the main peak is listed.

Table 3. XPS Peak Position for MAPbI3 Thin Films with and without Air Exposurea.