CAS Number 1477512-32-5
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DMAC-DPS, blue dopant material in TADF-OLED devices
Bipolar charge-transporting capability and high (PLQYs)
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).
DMAC-DPS is normally used as a blue dopant material in TADF-OLED devices.
|Molecular weight||632.81 g/mol|
|Absorption||λmax 286 nm in Toluene|
|PL||λem 469 nm in Toluene|
|HOMO/LUMO||HOMO = 5.92 eV, LUMO = 2.92 eV; T1=2.91 eV|
|Classification / Family||Acridine derivatives, Blue emitter, TADF blue host materials, Phosphorescent organic light-emitting devices (PHOLEDs), Sublimed materials|
|Purity||Sublimed >99.0% (HPLC)|
|Melting point||> 250 °C (0.5% weight loss)|
|Appearance||Pale yellow powder/crystals|
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials.
|Device structure||ITO/HATCN (7 nm)/ TAPC (40 nm)/DCDPA (10 nm)/ CzCbPy: 20 wt% DMAC-DPS (25 nm)/TSPO1 (5 nm)/TPBi (30 nm)/LiF (1.5 nm)/Al (100 nm) |
|Max Current Efficiency||35.0 cd/A|
|Max. Luminance||8, 035 cd/m2|
|Device structure||ITO/a-NPD (30 nm)/TCTA (20 nm)/CzSi (10 nm)/DMAC–DPS:DPEPO (20 nm)/DPEPO (10 nm)/TPBI (30 nm)/LiF (1 nm)/Al |
|Device structure||ITO (180 nm)/ HATCN (10 nm)/ TCTA: 20% HATCN (50 nm)/TCTA (20 nm)/mCP (10 nm)/DMAC-DPS (20 nm)/DPEPO (10 nm)/ BmPyPB:3% Li2CO3 (35 nm)/ Li2CO3(1 nm)/Al (100 nm) |
|Max Current Efficiency||32.3 cd/A|
|Max. Power Efficiency||32.8 lm W-1|
|Device structure||ITO (180 nm)/ HATCN (10 nm)/ TCTA: 20% HATCN (50 nm)/TCTA (20 nm)/mCP (10 nm)/DPEPO:10% DMAC-DPS (20 nm)/DPEPO (10 nm)/ BmPyPB:3% Li2CO3 (35 nm)/ Li2CO3(1 nm)/Al (100 nm) |
|Max Current Efficiency||40.3 cd/A|
|Max. Power Efficiency||34.3 lm W-1|
|Device structure||ITO/MoO3 (6 nm)/NPB (70 nm)/mCP (5 nm)/DPDPO2A*:DMAC-DPS (10% wt 20 nm)/DPDPO2A* (5 nm)/BPhen (30 nm)/LiF (1 nm)/Al |
|Max Current Efficiency||42.1 cd/A|
|Max Luminescence||14,626 cd/m2|
|Max. Power Efficiency||52.9 lm W-1|
|Sublimed (>99.0% purity)||M2121A1||250 mg||£400|
|Sublimed (>99.0% purity)||M2121A1||500 mg||£700|
|Sublimed (>99.0% purity)||M2121A1||1 g||£1100|
Literature and Reviews
- Multi-carbazole encapsulation as a simple strategy for the construction of solution-processed, non-doped thermally activated delayed fluorescence emitters, J. Luo et al., J. Mater. Chem. C, 4, 2442-2446 (2016); DOI: 10.1039/C6TC00418K.
- Efficient blue organic light-emitting diodes employing thermally activated delayed fluorescence, Q. Zhang et al., Nat. Photonics, 8, 326–332 (2014); DOI: 10.1038/nphoton.2014.12.
- 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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