DMQA | C22H16N2O2 | 19205-19-7 | Green Dopant

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General information

Name: DMQA
Full name: 5,12-Dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione
CAS number: 19205-19-7
Chemical formula: C₂₂H₁₆N₂O₂
Molecular weight: 340.37 g/mol
Absorption: λ_max = 294 nm, 510 nm in THF
Photoluminescence: λ_max = 523 nm in THF
HOMO/LUMO: HOMO = 5.4 eV, LUMO = 3.2 eV
Synonyms: N,N'-Dimethylquinacridone
Classification: Organic light-emitting diodes, Emmiting layer materials (EML), Green fluorescent dopant materials, Photodetectors, TADF materials
Purity: Sublimed: >99%
Melting point: 286 °C
Appearance: Red powder/crystals

DMQA Specification: The Forefront of OLED and Organic Photovoltaic Technologies

The rapidly advancing field of organic electronics is continually enriched by innovative materials and compounds. Among these, DMQA officially known as 5,12-Dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione stands as a pivotal component in the technology stack for organic devices, particularly OLEDs and organic photovoltaic (OPV) devices.

Understanding DMQA

DMQA is an organic compound characterized by its unique molecular structure, which comprises two 9,9-dimethyl-9,10-dihydroacridine units substituted to a benzene ring. This structure is further coupled with a phenyl pyrimidine derivative, making it a compound of significant interest in the field of organic electronics.

Key Features of DMQA

Electron Transport Material in OPV Devices: DMQA has been extensively studied for its potential as an electron transport material (ETM) in organic photovoltaic devices. Its high electron mobility, low energetic disorder, and excellent interfacial properties with the active layer of OPV devices make it a promising candidate for this application.
Green Fluorescent Dopant in OLEDs: DMQA serves as an effective green dopant material in OLEDs, emitting light at a wavelength of 523 in THF,which corresponds to the green color spectrum. This property enhances the color quality and efficiency of OLED displays.
Enhanced Device Performance and Stability: DMQA has been synthesized and characterized by multiple research groups, revealing its optical, electrochemical, and thermal properties. The compound has been found to improve the performance and stability of OPV devices and OLEDs, making it a versatile material in the realm of organic electronics.
Prevention of Excimer Formation: One of the unique attributes of DMQA is its ability to prevent the formation of excimers, which can reduce the lifetime of OLED devices. This property contributes to the creation of OLEDs that are highly stable and have extended lifetimes.

The Role of DMQA in Advanced Organic Electronics

In the contemporary landscape of organic electronics, the quest for materials that offer superior efficiency, durability, and energy conservation is relentless. DMQA, with its array of beneficial properties, aligns perfectly with these industry demands. Its role as an ETM in OPV devices and as a green dopant in OLEDs ensures that these devices not only operate efficiently but also maintain long-term stability.

Conclusion

The organic electronics sector is in a perpetual state of evolution, propelled by the necessity for materials that are both efficient and long-lasting. DMQA, equipped with a unique set of electrochemical and photophysical properties, is well-positioned to significantly influence the future of organic electronic devices. As scientific research progresses and technology continues to advance, DMQA is anticipated to find a widening range of applications in this dynamic field.