No abstract

No abstract

For oximetry applications, the first dual red−near-infrared (NIR) emissive organic light-emitting diode (OLED) based on mixed-ligand complexes Eu x Yb 1−x (dbm) 3 BPhen (x = 0; 0.01; 0.02; 0.05; 0.1; 1) is obtained. The photoluminescence quantum yields of the ytterbium and europium in the obtained complexes reach 0.9 and 31%, respectively, which are rather high values for the complexes of these ions. Dual visible−NIR emissive compounds Eu x Yb 1−x (dbm) 3 BPhen are tested in OLEDs, and Eu 0.05 Yb 0.95 (dbm) 3 BPhen demonstrates the most intense electroluminescence both in visible (270 cd/m 2 ) and NIR range (19 μW/cm 2 ). The Eu 0.05 Yb 0.95 (dbm) 3 BPhen-based OLED is successfully used to produce the first lanthanide OLED-based pulsimeter prototype.

No abstract

No abstract