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Table 11 Elemental distribution (atomic %) of the individual elements observed on Ag3BiI3(SCN)3/NiO substrate shown in Fig. 8d

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

Spot Bismuth Silver Iodine Sulfur Carbon Nitrogen Nickel Oxygen Silicon
Point 1 3.23 7.19 13.82 5.35 19.35 4.71 0.48 25.38 20.50
Point 2 2.40 41.86 13.76 2.61 8.85 0.65 11.82 18.04
Point 3 0.58 16.57 0.91 0.71 10.50 0.79 42.75 27.19
Point 4 0.60 16.75 0.84 0.78 11.19 0.85 39.73 19.26