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Table 5 Elemental distribution (atomic %) of the individual elements observed on (CH3NH3)3SbBiI9/TiO2 substrate shown in Fig. 4e

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

Spot Antimony Bismuth Iodine Titanium Gold
Point 1 2.70 3.11 23.86 68.98 1.32
Point 2 11.18 8.04 74.57 3.18 3.00
Point 3 9.09 7.42 65.20 11.73 6.23
Point 4 0.00 3.01 29.55 60.94 6.35
Point 5 0.00 3.76 27.73 65.99 2.50