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Nano Convergence

Table 8 Elemental distribution (atomic %) of the individual elements observed on a particular spot on Ag3BiI6/TiO2 substrate shown in Fig. 8a

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

Titanium

Oxygen

Silicon

Point 1

4.75

32.89

33.54

11.97

9.11

7.75

Point 2

2.01

65.52

16.29

7.19

5.76

3.24

Point 3

2.73

20.47

19.50

15.86

19.65

21.79

Point 4

1.80

53.99

18.38

10.09

11.56

4.18

Point 5

5.03

43.57

26.93

15.62

3.98

4.87

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