Fig. 7: Electroluminescent (EL) characterization of IPN-derivative.
From: Understanding of complex spin up-conversion processes in charge-transfer-type organic molecules
a ηEQE-L and b the normalized ηEQE vs. J curves, considering the bi-excitonic roll-off model (dotted line), for the tested OLED samples. c Transient-EL response after the square pulse excitation. (Inset image: photographs for a series of operational devices). Simulated relative contribution of TTA (orange) and STA (red) based quenching processes to efficiency roll-off as a function of J in the effective TADF roll-off model contracted from COMPASS model for (d) Dev. A (4CzIPN), and (e) Dev. C (m−3CzIPN), respectively.
