Table 1 The performance parameters of PLEDs.

From: Mechanism study on highly efficient polymer light-emitting diodes utilizing double-layered alkali halide electron injection layer

EIL

Vtha

(V)

Peak

EQEb (%)

Peak CEc

(cd A−1)

Peak Luminance

(cd m−2)

Peak CE

@V (V)

@J

(mA cm−2)

@Ld

(cd m−2)

LiF

3.96 ± 0.16

2.18 ± 0.03

5.46 ± 0.08

19874

7.32

24.3

1328

methanol/LiF

3.72 ± 0.48

2.94 ± 0.22

7.34 ± 0.55

29439

7.44

35.06

2573

NaCl/LiF

2.64 ± 0.02

8.41 ± 0.66

21.05 ± 1.47

24453

4.2

2.11

444

KBr/LiF

2.88 ± 0.03

5.81 ± 0.08

14.49 ± 0.21

28078

5.4

6.62

959

CsF/LiF

2.88 ± 0.04

3.79 ± 0.31

9.48 ± 0.76

18968

5.16

6.66

631

  1. aVth is defined as the voltage at 1 cd m−2; bEQE is refer to external quantum efficiency; cCE is refer to the current efficiency; dL is refer to luminance.