Fig. 13 | Scientific Reports

Fig. 13

From: Characterization of Bi-doped FAPbI3 perovskite films investigated by X-ray absorption spectroscopy

Fig. 13

The calculated band structures and density of state (DOS) of (a) cubic FAPbI3 within space group Pm-3 m FAPbI3. (b) Bi atom substitution at the Pb site in the cubic FAPbI3 structure. (c) Bi atom substitution at the FA site in cubic FAPbI3 structures. (d) Hexagonal structure of FAPbI3 within space group P63/m FAPbI3. (e) Bi atom substitution at the Pb site in the hexagonal FAPbI3 structure. (f) Bi atom substitution at the FA site in the hexagonal FAPbI3 structure.

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