Electroluminescence performance of the fabricated OLED devices with dopants of (MPBFP)2Ir(detd), (MPBFP)2Ir(tmd), (MPBFP)2Ir(acac).
| Dopant | Doping concentration (wt%) | Bri maxf (mA cm−2) | EQEa max/% | CEb max (cd A−1) | PEc max (lm W−1) | CIEd (x, y)e | Peak max/nm |
|---|---|---|---|---|---|---|---|
| (MPBFP)2Ir(detd) | 10 | 48 470 @ 8 V | 16.1 @ 2.8 V | 60.7 @ 2.8 V | 68.1 @ 2.8 V | (0.39, 0.58) | 538 |
| 12 | 54 505 @ 8 V | 17.0 @ 2.8 V | 64.4 @ 2.8 V | 72.3 @ 2.8 V | (0.39, 0.58) | 539 | |
| 15 | 57 328 @ 8 V | 17.2 @ 2.8 V | 64.5 @ 2.8 V | 72.4 @ 2.8 V | (0.39, 0.58) | 539 | |
| (MPBFP)2Ir(tmd) | 10 | 63 863 @ 8 V | 15.7 @ 2.8 V | 58.9 @ 2.8 V | 66.0 @ 2.8 V | (0.40, 0.58) | 544 |
| 12 | 70 965 @ 8 V | 16.3 @ 2.8 V | 61.3 @ 2.8 V | 68.7 @ 2.8 V | (0.40, 0.57) | 544 | |
| 15 | 69 267 @ 8 V | 16.7 @ 2.8 V | 62.2 @ 2.8 V | 69.8 @ 2.8 V | (0.40, 0.57) | 545 | |
| (MPBFP)2Ir(acac) | 10 | 55 287 @ 7.5 V | 15.5 @ 3.1 V | 58.9 @ 3.1 V | 66.0 @ 3.1 V | (0.38, 0.57) | 540 |
| 12 | 52 179 @ 7.5 V | 16.3 @ 3.0 V | 60.7 @ 3.0 V | 66.6 @ 3.0 V | (0.38, 0.56) | 539 | |
| 15 | 55 750 @ 7.5 V | 16.5 @ 3.0 V | 61.7 @ 3.0 V | 64.6 @ 3.0 V | (0.40, 0.57) | 541 |
a
Maximum external quantum efficiency.
b
Maximum current efficiency.
c
Power efficiency.
d
Commission Internationale de l'Eclairage.
e
The CIE values are measured at 5 V.
f
The number after @ indicates the corresponding voltage value.