Exciplex formation and electroluminescent absorption in ultraviolet organic light-emitting diodes*
Zhang Qia), Zhang Haoa), Zhang Xiao-Wenb)†, Xu Taoa), Wei Bina)‡
       
(a) Device configurations of the multilayer UV OLEDs. (b) Molecular structures of TCTA, CBP, OXD-7, TAZ, and PBD.