Fig. 4: Photoluminescence (PL) spectroscopy for organic light emitting materials and energy transfer analysis. | Light: Science & Applications

Fig. 4: Photoluminescence (PL) spectroscopy for organic light emitting materials and energy transfer analysis.

From: Tailoring spin mixtures by ion-enhanced Maxwell magnetic coupling in color-tunable organic electroluminescent devices

Fig. 4

a Excitation and emission spectra for PVK film and PFN-Br film on glass. b PL spectra for glass/PVK:3 wt% Ir(MDQ)2(acac)/PFN-Br with two excitation wavelengths : 347 nm and 380 nm. c Current–voltage characteristics of PFN-Br (ionized) and PFN-DOF (non-ionized). d EL spectral shifts of PFN-Br (ionized) and PFN-DOF (non-ionized) at 50 Hz (magnetic-free) and 60,000 Hz (magnetic-engaged)

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