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CzSi is known for its high triplet energy, wide band-gap, and high glass-transition temperature (Tg >131 °C). It is one of the most widely-used TADF host materials for blue electrophosphorescence.
It possesses bulky, sterically-hindered triphenylsilyl substitutions on electrochemically-active C3 and C6 positions of carbazole. With a nearly-perfect 90°C dihedral angle between its carbazole and tert-butylphenyl groups, CzSi exhibits enhanced morphological and superior electrochemical stability.
FIrpic: archetypal blue phosphorescent emitter for electroluminescence, E. Baranof et al., Dalton Trans., 44, 8318 (2015); DOI: 10.1039/c4dt02991g.
Highly Efficient Organic Blue Electrophosphorescent Devices Based on 3,6-Bis(triphenylsilyl)carbazole as the Host Material, M-H. Tsai et al., Adv. Mater., 18, 1216–1220 (2006); DOI: 10.1002/adma.200502283.
Iridium(III) Complexes of a Dicyclometalated Phosphite Tripod Ligand: Strategy to Achieve Blue Phosphorescence Without Fluorine Substituents and Fabrication of OLEDs, C-H. Lin et al., Angew. Chem., 123, 3240 –3244 (2011); DOI: 10.1002/ange.201005624 .
En Route to High External Quantum Efficiency (~12%), Organic True-Blue-Light-Emitting Diodes Employing Novel Design of Iridium (III) Phosphors, Y-C. Chiu et al., Adv. Mater., 21, 2221–2225 (2009); DOI: 10.1002/adma.200802546.
Highly efficient white organic light-emitting diodes based on broadexcimer emission of iridium complex, G. Zhang et al., Org. Electronics 11, 1165–1171 (2010); doi:10.1016/j.orgel.2010.04.016.
To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.