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Nano Convergence

Table 12 Elemental distribution (atomic %) of the individual elements observed on Cu3BiI6/TiO2 substrate shown in Fig. 8e

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

Spot

Copper

Bismuth

Iodine

Titanium

Oxygen

Silicon

Point 1

16.38

1.59

22.26

8.54

32.17

19.06

Point 2

9.18

1.65

17.42

9.76

37.88

24.11

Point 3

6.21

1.48

13.18

8.04

42.66

28.44

Point 4

3.20

1.90

9.40

8.35

47.70

29.45

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