Table 2 EL Performance of the TADF and PSF devices

From: Late-stage direct double borylation of B/N-based multi-resonance framework enables high-performance ultra-narrowband deep-blue organic light-emitting diodes

Device

Emitter

[wt%]

λEL(a)

[nm]

FWHM(a)

[nm]

CIE (x, y)(a)

Von(b)

[V]

EQE(c)

[%]

CE(d)

[cd A–1]

PE(e)

[lm W–1]

LT80(f)

[h]

TADF-D1

ν-DABNA-M (1%)

477

16

(0.10, 0.16)

3.3

33.0/16.5

34.2/16.9

32.6/10.6

67

TADF-D2

ν-DABNA-M-B-Mes (1%)

467

16

(0.12, 0.09)

3.4

32.0/18.2

26.2/14.2

24.2/8.9

15

PSF-D3

ν-DABNA-M-B-Mes (1%)

467

17

(0.12, 0.12)

2.5

25.6/23.7

25.6/23.2

31.2/15.8

1010(g)

  1. (a)Electroluminescence peak wavelength, full-width at half-maximum, and CIE coordinates at 1000 cd m–2; (b)Turn-on voltage at 1 cd m–2; (c)External quantum efficiency at maximum and 1000 cd m–2; (d)Current efficiency at maximum and 1000 cd m–2; (e)Power efficiency at maximum and 1000 cd m–2; (f)Lifetime to reach 80% of the initial luminance at 100 cd m–2; (g)Estimated lifetime based on LT80 at 1000 cd m–2.
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