| Identification | Back Directory | [Name]
4,5-bis(carbazol-9-yl)-1,2-dicyanobenzene | [CAS]
1416881-50-9 | [Synonyms]
2CzPN
4,5-di(9H-carbazol-9-yl)phthalonitrile
4,5-bis(carbazol-9-yl)-1,2-dicyanobenzene
4,5-Di-9H-carbazol-9-yl-1,2-benzenedicarbonitrile
1,2-Benzenedicarbonitrile, 4,5-di-9H-carbazol-9-yl- | [Molecular Formula]
C32H18N4 | [MDL Number]
MFCD28369264 | [MOL File]
1416881-50-9.mol | [Molecular Weight]
458.51 |
| Chemical Properties | Back Directory | [Boiling point ]
622.9±55.0 °C(Predicted) | [density ]
1.26±0.1 g/cm3(Predicted) | [form ]
crystals/powder | [color ]
Pale yellow | [InChI]
InChI=1S/C32H18N4/c33-19-21-17-31(35-27-13-5-1-9-23(27)24-10-2-6-14-28(24)35)32(18-22(21)20-34)36-29-15-7-3-11-25(29)26-12-4-8-16-30(26)36/h1-18H | [InChIKey]
BSQBWXBFVYTYOL-UHFFFAOYSA-N | [SMILES]
C1(C#N)=CC(N2C3=C(C=CC=C3)C3=C2C=CC=C3)=C(N2C3=C(C=CC=C3)C3=C2C=CC=C3)C=C1C#N | [Absorption]
λmax?380 nm in toluene | [Melting point ]
Not available | [Odor]
Pale yellow?crystals/powder |
| Hazard Information | Back Directory | [Description]
2CzPN is a highly efficient TADF sky blue emitter with two?electron-donating?carbazolyl moieties?attached to the?electron-withdrawing dicyanobenzene ring. The carbazolyl units are noticeably?distorted from the dicyanobenzene plane by steric hindrance,?leading to a small ΔEST?of 0.09 eV. | [References]
[1] SUN J W, KIM K H, MOON C, et al. Highly Efficient Sky-Blue Fluorescent Organic Light Emitting Diode Based on Mixed Cohost System for Thermally Activated Delayed Fluorescence Emitter (2CzPN).[J]. ACS applied materials & interfaces, 2016, 8 15: 9806-9810. DOI:10.1021/acsami.6b00286.
[2] ZHENG Y, YU J, LI W, et al. Performance enhancement of small molecular solar cells via luminescent sensitizer 4,5-bis(carbazol-9-yl)-1,2-dicyanobenzene (2CzPN)[J]. Journal of Physics D: Applied Physics, 2020, 53. DOI:10.1088/1361-6463/ab4c07. |
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