The EQEs are obtained at 100 cd/m2, and the lifetime values are obtained at 1000 cd/m2. RT refers to the tool’s standard temperature, which is close to 30°C. The 0.85 Tg criteria refer to the temperature closest to the optimal growth condition of the TPBi layers.
Deposition temperature | G0 | R1 | G1 | B1 | |
EQE (%) | RT | 19.4 | 10.1 | 17.9 | 1.6 |
0.85 Tg | 24.0 | 11.6 | 21.8 | 4.2 | |
LT70 (hours) | RT | 14.8 | 10.2 | 59.0 | — |
0.80–0.85 Tg | 74.2 | 22.3 | 110.0 | — |