Highly Efficient Solution-Processed Blue Phosphorescent Organic Light-Emitting Diodes Based on Co-Dopant and Co-Host System
Abstract
:1. Introduction
2. Results and Discussion
3. Materials and Methods
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Devices | Vturn-on (V) | ηca (cd/A) | ηpb (lm/W) | EQEc | Bd (cd/A) | 30–60e (mA/cm2) |
---|---|---|---|---|---|---|
TcTa | 3.5 | 09.19 | 7.32 | 5.73% | 1505 | 3.823/2.284/40.26% |
9:1 | 3.9 | 10.28 | 6.73 | 6.46% | 1823 | 4.603/2.914/36.69% |
7:3 | 3.9 | 11.08 | 7.11 | 7.12% | 2256 | 5.345/3.582/32.98% |
5:5 | 3.7 | 12.40 | 7.95 | 7.54% | 2993 | 6.507/4.509/30.70% |
3:7 | 3.9 | 10.58 | 5.63 | 6.42% | 2965 | 6.648/4.585/31.03% |
1:9 | 4.5 | 08.61 | 4.20 | 5.16% | 1478 | 4.572/2.344/48.73% |
mCPPO1 | 4.5 | 06.48 | 3.41 | 3.89% | 1410 | 4.450/2.219/50.13% |
FIr6 wt% | Vturn-on (V) | ηca (cd/A) | ηpb (lm/W) | Bc (cd/A) | EQEd |
---|---|---|---|---|---|
16 | 3.9 | 10.89 | 7.44 | 2615 | 6.71% |
18 | 3.8 | 11.65 | 8.32 | 2891 | 7.12% |
20 | 3.7 | 12.40 | 7.95 | 2993 | 7.54% |
22 | 3.8 | 11.37 | 8.66 | 3177 | 7.43% |
24 | 3.9 | 10.96 | 6.84 | 3626 | 6.79% |
Devices | Vturn-on (V) | ηca (cd/A) | ηpb (lm/W) | EQEc | Bd (cd/A) | CIEx,ye | 30–60e (mA/cm2) |
---|---|---|---|---|---|---|---|
FIr6 (20 wt%) | 3.7 | 12.40 | 7.95 | 07.54% | 2993 | (0.155,0.229) | 6.507/4.509/30.70% |
1 wt% | 4.0 | 12.74 | 8.52 | 07.63% | 4167 | (0.160,0.220) | 8.380/6.043/27.89% |
2.5 wt% | 4.3 | 15.08 | 9.29 | 09.17% | 4201 | (0.157,0.232) | 8.699/6.129/29.54% |
5.0 wt% | 4.3 | 16.74 | 9.93 | 10.05% | 4121 | (0.159,0.234) | 8.639/6.015/30.37% |
7.5 wt% | 4.3 | 13.63 | 8.08 | 07.94% | 3728 | (0.160,0.230) | 8.261/5.764/30.23% |
10 wt% | 4.3 | 12.98 | 7.84 | 07.68% | 3930 | (0.164,0.238) | 7.898/5.408/31.53% |
Devices | Vturn-on(V) | ηca (cd/A) | ηpb (lm/W) | EQEc | Bd (cd/A) | CIEx,ye |
---|---|---|---|---|---|---|
50 | 3.6 | 15.83 | 9.57 | 9.08 | 2974 | (0.160, 0.230) |
60 | 4.3 | 16.74 | 9.93 | 10.05 | 4121 | (0.165, 0.245) |
70 | 3.7 | 18.21 | 10.91 | 10.41 | 3853 | (0.162, 0.254) |
80 | 4.0 | 20.47 | 11.96 | 11.62 | 3751 | (0.163, 0.286) |
90 | 4.4 | 17.59 | 9.53 | 9.38 | 4110 | (0.168, 0.312) |
100 | 4.4 | 17.05 | 8.78 | 8.61 | 3580 | (0.185, 0.379) |
110 | 4.0 | 15.66 | 8.95 | 6.97 | 3257 | (0.222, 0.475) |
120 | 4.3 | 10.28 | 5.98 | 3.89 | 2206 | (0.276, 0.542) |
130 | 4.3 | 5.46 | 3.12 | 1.82 | 1018 | (0.338, 0.554) |
140 | 4.5 | 4.07 | 2.32 | 1.27 | 679 | (0.296, 0.338) |
150 | 4.8 | 1.74 | 0.99 | 0.86 | 263 | (0.259, 0.230) |
160 | 4.9 | 1.15 | 0.62 | 0.77 | 188 | (0.165, 0.245) |
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Wang, J.; Yin, J.; Li, X.; Wang, Z.; Wu, R.; Zhou, L. Highly Efficient Solution-Processed Blue Phosphorescent Organic Light-Emitting Diodes Based on Co-Dopant and Co-Host System. Molecules 2022, 27, 6882. https://doi.org/10.3390/molecules27206882
Wang J, Yin J, Li X, Wang Z, Wu R, Zhou L. Highly Efficient Solution-Processed Blue Phosphorescent Organic Light-Emitting Diodes Based on Co-Dopant and Co-Host System. Molecules. 2022; 27(20):6882. https://doi.org/10.3390/molecules27206882
Chicago/Turabian StyleWang, Jingyu, Jiaxuan Yin, Xiaofang Li, Zhe Wang, Ruixia Wu, and Liang Zhou. 2022. "Highly Efficient Solution-Processed Blue Phosphorescent Organic Light-Emitting Diodes Based on Co-Dopant and Co-Host System" Molecules 27, no. 20: 6882. https://doi.org/10.3390/molecules27206882