Figure 4
From: Thermally Activated Delayed Fluorescence Host for High Performance Organic Light-Emitting Diodes

Transition energies and the corresponding relative intensities of multi-peaks fitting results using a Gaussian function. (a) Gaussian fitting results of PL spectrum of c545t thin film and EL spectra of c545t based OLEDs. (b) Gaussian fitting results of PL spectra of exciplex host and rubrene thin film and EL spectra of rubrene based OLEDs.