Table 1 Device performance based on quasi-two-dimensional perovskites PEA2(FAPbBr3)n-1PbBr4

From: Efficient green light-emitting diodes based on quasi-two-dimensional composition and phase engineered perovskite with surface passivation

Compositions

Lmax (cd m−2)

Current efficiency (cd A−1)

Maximum EQE (%)

n = 2

717

5.98

1.54

n = 3

6973

40.20

9.29

n = 3 (best)

7829

52.51

12.12

n = 4

8779

37.61

8.45

n = 5

3452

20.95

4.82

n = 6

2281

16.77

4.00

n = 3 and TOPO

9120

62.43

14.36

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