1. Device Performance of Organic Light-Emitting Diodes (OLEDs) with t-DABNA (151)-Doped EML.
Sensitizer | Von [v] | EQE [%] | CE [cd A–1] | PE [lm W–1] | λEL/FWHM[nm] | CIE (x,y) | LT (h)(brightness) | Ref. |
---|---|---|---|---|---|---|---|---|
DMAC-DPS | - | 31.4/27.2/19.8% | 32.6/28.9/20.9 | 33.6/21.0/10.9 | 464/31 | 0.13, 0.15 | - | |
p4TCPhBN | - | 32.5/26.4/23.2 | - | - | 466/29 | 0.13, 0.12 | LT80 = 60 (1000 cd/m2) | |
Host 1 | 2.7 | 11.70/11.40/11.51 | 8.49 | 8.89 | 463 | 0.125, 0.098 | LT90 = 249.0 (1000 cd/m2) | |
Host 2 | 2.7 | 10.40/10.15/9.87 | 7.11 | 7.52 | 463 | 0.124, 0.102 | LT90 = 192.3 (1000 cd/m2) | |
MADN | 2.6 | 9.60/9.55/9.55 | 7.26 | 8.15 | 463 | 0.124, 0.102 | LT90 = 100.4 (1000 cd/m2) | |
m-tz2 | 3.7 | 19.7/–/– | 20.0 | 17.5 | 468/31 | 0.12, 0.13 | ||
Ir(cb)3 | - | 24.8/-/18.4 | 22.6/-/ | 20.2/-/8.5 | - | 0.131, 0.107 | LT50 = 293 (200 cd/m2) | |
f-tpb1 | 4.6 | 29.6/–/– | 28.7/–/– | 19.6/–/– | 462/30 | 0.13, 0.11 | - |
Voltage at 1 (turn-on voltage, V on), 1 cd m–2;
EQE for maximum, and at 100 and 1000 cd m–2, respectively;
Current Efficiency for maximum, and at 1000 cd m–2;
Power Efficiency for maximum, and at 1000 cd m–2;
λEL: EL emission maximum, and FWHM: full width at half maximum;
Commission Internationale de l’Éclairage color chromaticity coordinates;
90% of an initial luminance of 1000 cd m–2.
ITO/PEDOT:PSS (60 nm)/ TAPC (20 nm)/ mCP (10 nm)/ DPEPO: 30 wt % DMAC-DPS: 1 wt % t-DABNA (25 nm)/ TSPO1 (5 nm)/ TPBi (20 nm)/ LiF (1.5 nm)/ Al (200 nm);
ITO/HATCN (5 nm)/ NPB (30 nm)/ TCTA (10 nm)/ mCPCz: 40 wt % p4TCzPhBN: 2 wt % t-DABNA (30 nm)/ CzPhPy (10 nm)/ DPPyA:Liq (1:1, 30 nm)/ LiF (0.5 nm)/ Al (150 nm);
ITO/3 wt % p-dopant: HTL1 (10 nm)/ HTL1(50 nm)/ HTL2 (5 nm)/ 3 wt % t-DABNA: host (25 nm) (20 nm)/ ETL1 (5 nm)/ 50 wt % Liq:ETL2 (30 nm)/ Liq (2 nm)/ Al (120 nm);
ITO/HATCN (10 nm)/ TAPC (35 nm)/ TCTA (10 nm)/ DPEPO:40 wt % m-tz2:1 wt % t-DABNA (25 nm)/ DPEPO (5 nm)/ TmPyPB (45 nm)/ LiF (2 nm)/ Al (120 nm);
ITO/PEDOT:PSS (60 nm)/ TAPC (20 nm)/ mCP (10 nm)/ TSPO1:30 wt % Ir(cb)3: 1 wt % t-DABNA (25 nm)/ TSPO1 (5 nm)/ TPBi (20 nm)/ LiF (1.5 nm)/ Al (200 nm);
ITO/HATCN (10 nm)/ TAPC (25 nm)/ mCBP: 30% f-tpb1:1% t-DABNA (30 nm)/ TmPyPB (35 nm)/ LiF (1 nm)/ Al (100 nm).