Monte Carlo study of efficiency roll-off of phosphorescent organic light-emitting diodes: Evidence for dominant role of triplet-polaron quenching

Applied Physics Letters

Volumn 105, Issue 14, 2014, Pages

  Van Eersel, H ^a,b   Bobbert, P A ^a   Janssen, R A J ^a   Coehoorn, R ^a,b  

^a EINDHOVEN UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b PHILIPS RESEARCH LABORATORIES   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

PHOSPHORESCENT ORGANIC LIGHT-EMITTING DIODES;

EID: 84908006010     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.4897534     Document Type: Article

References (26)

1. Y. Setoguchi and C. Adachi, J. Appl. Phys. 108, 064516 (2010). 10.1063/1.3488883
2. M. A. Baldo, C. Adachi, and S. R. Forrest, Phys. Rev. B 62, 10967 (2000). 10.1103/PhysRevB.62.10967
3. C. Murawski, K. Leo, and M. C. Gather, Adv. Mater. 25, 6801 (2013). 10.1002/adma.201301603
4. S. Reineke, K. Walzer, and K. Leo, Phys. Rev. B 75, 125328 (2007). 10.1103/PhysRevB.75.125328
5. F. X. Zang, T. C. Sum, A. C. H. Huan, T. L. Li, W. L. Li, and F. Zhu, Appl. Phys. Lett. 93, 023309 (2008). 10.1063/1.2955527
6. N. C. Giebink and S. R. Forrest, Phys. Rev. B 77, 235215 (2008). 10.1103/PhysRevB.77.235215
7. D. Song, S. Zhao, Y. Luo, and H. Aziz, Appl. Phys. Lett. 97, 243304 (2010). 10.1063/1.3527085
8. M. Mesta, M. Carvelli, R. J. de Vries, H. van Eersel, J. J. M. van der Holst, M. Schober, M. Furno, B. Lüssem, K. Leo, P. Loebl, R. Coehoorn, and P. A. Bobbert, Nat. Mater. 12, 652 (2013). 10.1038/nmat3622
9. T. Förster, Ann. Phys. 437, 55 (1948). 10.1002/andp.19484370105
10. D. L. Dexter, J. Chem. Phys. 21, 836 (1953). 10.1063/1.1699044
11. C. Adachi, R. Kwong, and S. R. Forrest, Org. Electron. 2, 37 (2001). 10.1016/S1566-1199(01)00010-6
12. Measured at Philips Research Aachen.
13. C.-H. Cheng, Z.-Q. Fan, S.-K. Yu, W.-H. Jiang, X. Wang, G.-T. Du, Y.-C. Chang, and C.-Y. Ma, Appl. Phys. Lett. 88, 213505 (2006). 10.1063/1.2206678
14. T. Tsuboi, H. Murayama, and A. Penzkofer, Thin Solid Films 499, 306 (2006). 10.1016/j.tsf.2005.07.020
15. A. Miller and E. Abrahams, Phys. Rev. 120, 745 (1960). 10.1103/PhysRev.120.745
16. J. Cottaar, L. J. A. Koster, R. Coehoorn, and P. A. Bobbert, Phys. Rev. Lett. 107, 136601 (2011). 10.1103/PhysRevLett.107.136601
17. S. L. M. van Mensfoort, V. Shabro, R. J. de Vries, R. A. J. Janssen, and R. Coehoorn, J. Appl. Phys. 107, 113710 (2010). 10.1063/1.3407561
18. S. Mladenovski, S. Reineke, and K. Neyts, Opt. Lett. 34, 1375 (2009). 10.1364/OL.34.001375
19. A. K. Bansal, A. Penzkofer, W. Holzer, and T. Tsuboi, Mol. Cryst. Liq. Cryst. 467, 21 (2007). 10.1080/15421400701220387
20. Y. Kawamura, J. Brooks, J. J. Brown, H. Sasabe, and C. Adachi, Phys. Rev. Lett. 96, 017404 (2006). 10.1103/PhysRevLett.96.017404
21. Y. Zhang and S. R. Forrest, Chem. Phys. Lett. 590, 106 (2013). 10.1016/j.cplett.2013.10.048
22. T. L. Li, W. L. Li, B. Chu, Z. S. Su, Y. R. Chen, L. L. Han, D. Y. Zhang, X. Li, F. X. Zang, T. C. Sum, and A. C. H. Huan, J. Phys. D: Appl. Phys. 42, 065103 (2009). 10.1088/0022-3727/42/6/065103
23. R. Coehoorn, H. van Eersel, P. A. Bobbert, and R. A. J. Janssen, "Kinetic Monte Carlo study of the sensitivity of OLED efficiency and lifetime to materials parameters," Adv. Funct. Mater. (to be published).
24. N. C. Giebink, B. W. D'Andrade, M. S. Weaver, P. B. Mackenzie, J. J. Brown, M. E. Thompson, and S. R. Forrest, J. Appl. Phys. 103, 044509 (2008). 10.1063/1.2884530
25. H. Uoyama, K. Goushi, K. Shizu, H. Nomura, and C. Adachi, Nature 492, 234 (2012). 10.1038/nature11687
26. See supplementary material at http://dx.doi.org/10.1063/1.4897534 E-APPLAB-105-025441 for information regarding details of the simulation and overview of parameters (S1), sensitivity to parameter values (S2), composition of the roll-off for the PtOEP device (S3), and J (V) curves and roll-off composition in idealized OLED layer stacks (S4).