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Table 3 Elemental distribution (atomic %) of the individual elements observed on particular spot on (CH3NH3)3Sb2I9/TiO2 film shown in Fig. 4c

From: Lead-free perovskite solar cells using Sb and Bi-based A3B2X9 and A3BX6 crystals with normal and inverse cell structures

Spot Antimony Iodine Titanium Gold
Point 1 7.71 47.59 38.97 5.71
Point 2 0.00 26.17 66.96 6.86
Point 3 13.06 62.55 22.25 2.12
Point 4 0.00 15.55 78.85 5.37
Point 5 0.00 8.95 89.17 1.66