DMAC-DPS is great for applications in TADF-OLED devices, thanks to its rather broad blue emission nature with a full width at half-maximum of ≈ 80 nm, short lived excited-state (≈3.0 µs in solid ﬁlms), bipolar charge-transporting capability, and high photoluminescence quantum yields (PLQYs).
PLQYs of blue-emitting DMAC–DPS can be increased from 0.80 to 0.90 by changing the host from mCP to bis(2-(diphenylphosphino)phenyl)ether oxide (DPEPO).
DMAC-DPS is normally used as a blue dopant material in TADF-OLED devices.
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High-Performance Hybrid White Organic Light-Emitting Diodes with Superior Effi ciency/Color Rendering Index/Color Stability and Low Efficiency Roll-Off Based on a Blue Thermally Activated Delayed Fluorescent Emitter, Z. Wu et al., Adv. Funct. Mater., 26, 3306–3313 (2016); DOI: 10.1002/adfm.201505602.
A Phosphanthrene Oxide Host with Close Sphere Packing for Ultralow-Voltage-Driven Efficient Blue Thermally Activated Delayed Fluorescence Diodes, H. Yang et al., Adv. Mater., 29, 1700553 (2017); DOI: 10.1002/adma.201700553.
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