Jankus, V., Abdullah, K., Griffiths, G. C., Al-Attar, H., Zheng, Y., Bryce, M. R., & Monkman, A. P. (2015). The role of exciplex states in phosphorescent OLEDs with poly(vinylcarbazole) (PVK) host. Organic Electronics, 20, 97-102. https://doi.org/10.1016/j.orgel.2015.02.002