Optical Outcoupling Efficiency of Organic Light-Emitting Diodes with a Broad Recombination Profile
Yungui Li, Naresh B. Kotadiya, Bas van der Zee, Paul W. M. Blom, and Gert-Jan A. H. Wetzelaer
Adv. Optical Mater. 2021, 2001812,
https://onlinelibrary.wiley.com/doi/full/10.1002/adom.202001812
The authors developed a numerical model to simulate the fraction of photons coupled to air for OLEDs with a broad recombination zone. The dipole orientation of the CzDBA neat film was determined with Phelos by fitting the angular dependence of photoluminescence with Setfos software from Fluxim.