Table 2 Performance of perovskite LEDs (100% PEABr case) with different PEDOT:PSS thicknesses

From: Modulation of recombination zone position for quasi-two-dimensional blue perovskite light-emitting diodes with efficiency exceeding 5%

PEDOT:PSS Thickness

VT (V)

EL peak (nm)

Max. L. (cd m−2)

Max. CE (cd A−1)

Max. EQE (%)

FWHM (nm)

CIE

15 nm

3.4

481

1380

2.3

2.2

21

(0.106,0.194)

30 nm

3.2

480

3780

6.1

5.7

21

(0.102,0.178)

45 nm

3.1

480

965

3.9

3.6

21

(0.101,0.155)

60 nm

3.6

480

178

2.6

2.6

22

(0.101,0.148)

  1. LED light-emitting diode, PEDOT:PSS Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate), CE current efficiency, EQE external quantum efficiency, PEABr phenylethylammonium bromide
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