OM2219 DMQA Powder

Catalog No. OM2219
Purity >99%
CAS Number 19205-19-7
Appearance Yellow to Green powder
Molecular Formula C22H16N2O2

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DMQA Powder Description

N,N'-Dimethylquinacridone (DMQA) is a green dopant material used in OLEDs. Highly stable and longer-lifetime OLED devices have been achieved by using DMQA as the dopant to a double host (aminoanthracene and Alq3). It is believed that DMQA can prevent excimer formation, thus prolonging the lifetime of the devices.
By using DMQA as a green dopant, very high-efficiency OLEDs with a luminance of greater than 88,000 cd/m2, EQE of 5.4% and current efficiency of 21.1 cd/A have been achieved. DMQA has also been used in green light photodetectors for practical applications, such as photosensors and chemical sensors.

DMQA Powder Specifications

CAS number

19205-19-7

Chemical formula

C22H16N2O2

Molecular weight

340.37

Absorption

λmax 294 nm, 510 nm (in THF)

Fluorescence

λem 523 nm (in THF)

HOMO/LUMO

HOMO = 5.35 eV; LUMU = 3.17 eV [1]

Synonyms

N,N'-Dimethylquinacridone, 5,12-Dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione

Classification / Family

Green dopant materials, OLEDs, Photodetectors, Organic electronics

DMQA Powder Applications

- OLED green dopant and electron transport host material
- Laser dyes
- Laboratory research

DMQA Powder Safety Information

Safety statement

22-24/25

HS code

29339900

WGK Germany

3

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