Fig. 2: In-situ observation of the reconstruction of mixed tin-lead perovskite films. | Nature Communications

Fig. 2: In-situ observation of the reconstruction of mixed tin-lead perovskite films.

From: Unveiling the nexus between irradiation and phase reconstruction in tin-lead perovskite solar cells

Fig. 2

a Evolution of normalized PL spectrum results of FA0.7MA0.3Sn0.5Pb0.5I3 thin films under irradiation/air exposure (Mercury lamp, 13 W cm−2). b Evolution of normalized PL spectrum results of FASn0.5Pb0.5I3 thin films under irradiation/air exposure (Mercury lamp, 13 W cm−2). c XRD patterns of FA0.7MA0.3Sn0.5Pb0.5I3 thin films in different reconstruction stages. d Closed-up of XRD patterns of FA0.7MA0.3Sn0.5Pb0.5I3 thin films in different reconstruction stages.

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