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Nano Convergence
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Fig. 18 | Nano Convergence

Fig. 18

From: White light emitting diode based on purely organic fluorescent to modern thermally activated delayed fluorescence (TADF) and perovskite materials

Fig. 18

a Chemical structures of emitter dopants and hosts. b Energy transfer mechanism of the TADF emitters with exciplex host (solid arrow indicates FRET and broken line arrow indicates DET). EL spectra of the devices at varying luminance c devices W-1, d W-2, and e W-3, f current density (J–V) vs. luminance characteristics, g PE-luminance and h EQE vs. luminance plots of the three fabricated F-WOLEDs

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