Table 4 The detailed performance parameters of PLEDs with different EIL.

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

Cathode

Vth

(V)

Peak EQE

(%)

Peak CE

(cd A−1)

Peak

Luminance

(cd m−2)

Peak CE

@V

(V)

@J

(mA cm−2)

@L

(cd m−2)

Al

6.0

0.048

0.12

1112

8.76

94.2

112.2

methanol/Al

4.56

0.085

0.21

1720

7.44

93.6

192.8

NaCl/Al

4.2

0.207

0.52

1233

6.48

20.1

103.7

KBr/Al

4.32

0.107

0.25

1253

7.68

67.5

168.7

CsF/Al

2.76

0.448

1.12

2191

3.72

14.3

159.7

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