Table 5.

Summary of photophysical properties and device performances of the multiple resonance (MR)-thermally activated delayed fluorescence (TADF)-based blue TADF materials.

Emitter	λmax [nm]	PLQY	${\Delta \text{E}}_{\text{ST}}^{\text{e}}$ [eV]	τd μs	Host	EQEmax [%]	CEmax [cdA−1]	CIE 1931 (x, y)	References
DABNA-1	460a	0.88	0.18	93.7 mCBP (1 wt%)	mCBP (1 wt%)	13.5	10.6	(0.13, 0.09)	Hatakeyama et al., 2016
DABNA-2	469a	0.90	0.14	65.3 mCBP (1 wt%)	mCBP (1 wt%)	20.2	21.1	(0.12, 0.13)	Hatakeyama et al., 2016
B2	455b	0.53	–	30.4 PMMA (1 wt%)	mCBP (1 wt%)	18.3	16.7	(0.13, 0.11)	Matsui et al., 2018
B3	441b	0.33	–	–	–	–	–	–	Matsui et al., 2018
B4	450b	0.57	–	–	–	–	–	–	Matsui et al., 2018
TBN-TPA	470c	0.97	0.14	51.02 DCzppy (4 wt%)	2,6-DCzppy (4 wt%)	32.1	40.2	(0.12, 0.19)	Liang et al., 2018
t-DABNA	–	0.85	0.17	83.3 DPEPO (-wt%)	DPEPO (5 wt%)	25.1	13.0	–	Han et al., 2019
ν-DABNA	467d	0.90	0.017	4.1 DOBNA-Oar (1 wt%)	DOBNA-Oar (1 wt%)	34.4	31.0	(0.12, 0.11)	Kondo et al., 2019
ADBNA-Me-Mes	482d	0.89	0.20	165 DOBNA-Oar (1 wt%)	DOBNA-Oar (1 wt%)	16.2	15.4f	(0.10, 0.27)	Oda et al., 2019
ADBNA-Me-Tip	479d	0.88	0.19	147 DOBNA-OAr (1 wt%)	DOBNA-Oar (1 wt%)	21.4	23.5f	(0.11, 0.29)	Oda et al., 2019

^aMeasured in 1 wt% doped film in mCBP host.

^bMeasured in 1 wt% doped film in PMMA host.

^cMeasured in oxygen-free toluene solution (5 × 10⁻⁵M).

^dMeasured in 1 wt% doped film in DOBNA-OAr host.

^eΔE_ST = S₁-T₁.

^fCurrent efficiencies at luminance of maximum, 100 cd/m².