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mCPCN, asymmetric bipolar phosphorescent host material
Used to host blue, green, red and white light emitting TADF-OLED devices.
mCPCN, 9-(3-(9H-Carbazol-9-yl)phenyl)-9H-carbazole-3-carbonitrile, is an asymmetric bipolar and high-triplet-energy (ET = 3.03 eV) phosphorescent host material which could be used for hosting blue, green, red and white light emitting TADF-OLED devices.
The incorporation of the simple and small CN group can greatly improve film morphology and device thermal stabilities. Compared to mCP, CN group attached to the 3-position of the carbazole unit in mCPCN is believed to increases the electron affinity to achieve a rather balanced hole–electron injection and transport properties while not altering electronic transition energies and maintaining a high triplet energy.
Tm = 222 °C (lit.), Td = 313 °C (5% weight loss), Tg = 97 °C
Colour
White Powder
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials for OLED devices page.
Chemical Structure
Chemical structure of 9-(3-(9H-Carbazol-9-yl)phenyl)-9H-carbazole-3-carbonitrile (mCPCN), CAS 1392506-99-8
Incorporation of a CN group into mCP: a new bipolar host material for highly efficient blue and white electrophosphorescent devices, M-S. Lin et al., J. Mater. Chem., 22, 16114 (2012); DOI: 10.1039/C2JM32717A.
Versatile Thermally Activated Delayed Fluorescence Emitter for Both Highly Efficient Doped and Non-Doped Organic Light Emitting Devices, W-L. Tsai et al., Chem. Commun., 51, 13662-13665 (2015); DOI: 10.1039/C5CC05022G.
Anomalously Long-Lasting Blue PhOLED Featuring Phenyl-Pyrimidine Cyclometalated Iridium Emitter, M. Sarma et al., Chem., 3 (3), 461-476 (2017); DOI: 10.1016/j.chempr.2017.08.001.
Bis-tridentate Ir(III) Complexes with Nearly Unitary RGB Phosphorescence and Organic Light-Emitting Diodes with External Quantum Efficiency Exceeding 31%, C-Y. Kuei et al., Adv. Mater., 28 (14); 2795-2800 (2016); DOI: 10.1002/adma.201505790.
To the best of our knowledge the information provided here is accurate. However, Ossila assume no liability for the accuracy of this page. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. All products are for laboratory and research and development use only, and may not be used for any other purpose including health care, pharmaceuticals, cosmetics, food or commercial applications.