4CzTPN-Me, TADF material for highly efficient delayed fluorescence devices
Potentially used for high efficiency and low-cost solar energy generation
2,3,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)-1,4-dicyanobenzene (4CzTPN-Me) is the methylated derivative of 4CzTPN and it is sterically hindered due to the four bulky electron-donating carbazolyl groups. It belongs to the family member of carbazolyl dicyanobenzene derivatives (CDCB derivatives) which are among the first developed TADF materials for the application of 3rd generation of highly efficient delayed fluorescence devices.
Due to its sterically twisted structure and rather unique charge transfer characteristics, 4CzTPN-Me could be potentially used for high efficiency and low-cost solar energy generation, gaining almost zero re-absorption losses in luminescent solar concentrator (LSC).
|Molecular weight||901.10 g/mol|
|Absorption||λmax 498 nm in toluene|
|Fluorescence||λem 561 nm in toluene|
|HOMO/LUMO||HOMO = 5.69 eV, LUMO = 2.90 eV|
|Classification / Family||Carbazole, Terephthalonitrile, TADF materials, Yellow-greenish dopant materials, Sublimed materials|
|Purity||Sublimed >99.0% (1H NMR)|
*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.
|Sublimed (>99.0% purity)||M2215A1||250 mg||£420|
|Sublimed (>99.0% purity)||M2215A1||500 mg||£740|
|Sublimed (>99.0% purity)||M2215A1||1 g||£1250|
Literature and Reviews
- Perspective on carbazole-based organic compounds as emitters and hosts in TADF applications, B. Wex et al., J. Mater. Chem. C, 5, 8622 (2017); DOI: 10.1039/c7tc02156a.
- Photophysics of OLED Materials with Emitters Exhibiting Thermally Activated Delayed Fluorescence and Used in Hole/Electron Transporting Layer from Optimally Tuned Range-Separated Density Functional Theory,M. Alipour et al., J. Phys. Chem. C, 123, 1, 746-761 (2019); doi: 10.1021/acs.jpcc.8b11681.
- Luminescent solar concentrator based on thermally activated delayed fluorescence dyes, F. Mateen et al., J. Mater. Chem. A, 2020; doi: 10.1039/C9TA13312G.
- Highly efficient organic light-emitting diodes from delayed fluorescence, H. Uoyama et al., Nature 492, 234–238 (2012); doi: 10.1038/nature11687.
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