Deep-Blue Triplet–Triplet Annihilation Organic Light-Emitting Diode (CIEy ≈ 0.05) Using Tetraphenylimidazole and Benzonitrile Functionalized Anthracene/Chrysene Emitters
Abstract
:1. Introduction
2. Results and Discussion
3. Conclusions
4. Materials and Methods
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Sample Availability
References
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Compd | λabs (log(ε)) a (nm, M−1 cm−1) | λPL (nm) sol a/Film b/ dfilm d | ΦPL (%) c Sol a/Film b/ dfilm d | τ (ns) e sol a/Film b | Tm/Td (°C) f | E1/2 vs. Ag/Ag+ (V) g | Egopt (eV) h | HOMO/LUMO (eV) i |
---|---|---|---|---|---|---|---|---|
TPIAnCN | 263 (5.51), 357 (4.59), 376 (4.77), 396 (4.75) | 441/463/446 | 60/21/71 | 2.89/0.96 | 350/540 | 1.32, 1.65 | 2.85 | −5.77/−2.92 |
TPIChCN | 276 (5.07), 345 (4.77) | 432/462/432 | 59/49/73 | 1.39/1.41 | 364/568 | 1.32, 1.43 | 3.06 | −5.79/2.73 |
Emitter a | Von (V) b | λEL (nm) c | FWHM (nm) d | Lmax (cd m−2) e | Jmax (mA cm−2) f | EQEmax/EQE500 (%) g | CIE (x, y) h | ηs (%) i |
---|---|---|---|---|---|---|---|---|
TPIAnCN | 3.2 | 438 | 55 | 2016 | 436 | 6.84/1.72 | (0.15, 0.07) | 48% |
TPIChCN | 3.4 | 429 | 58 | 2282 | 307 | 5.31/3.38 | (0.15, 0.05) | 36% |
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Malatong, R.; Waengdongbung, W.; Nalaoh, P.; Chantanop, N.; Chasing, P.; Kaiyasuan, C.; Arunlimsawat, S.; Sudyoadsuk, T.; Promarak, V. Deep-Blue Triplet–Triplet Annihilation Organic Light-Emitting Diode (CIEy ≈ 0.05) Using Tetraphenylimidazole and Benzonitrile Functionalized Anthracene/Chrysene Emitters. Molecules 2022, 27, 8923. https://doi.org/10.3390/molecules27248923
Malatong R, Waengdongbung W, Nalaoh P, Chantanop N, Chasing P, Kaiyasuan C, Arunlimsawat S, Sudyoadsuk T, Promarak V. Deep-Blue Triplet–Triplet Annihilation Organic Light-Emitting Diode (CIEy ≈ 0.05) Using Tetraphenylimidazole and Benzonitrile Functionalized Anthracene/Chrysene Emitters. Molecules. 2022; 27(24):8923. https://doi.org/10.3390/molecules27248923
Chicago/Turabian StyleMalatong, Ruttapol, Wijitra Waengdongbung, Phattananawee Nalaoh, Nuttapong Chantanop, Pongsakorn Chasing, Chokchai Kaiyasuan, Suangsiri Arunlimsawat, Taweesak Sudyoadsuk, and Vinich Promarak. 2022. "Deep-Blue Triplet–Triplet Annihilation Organic Light-Emitting Diode (CIEy ≈ 0.05) Using Tetraphenylimidazole and Benzonitrile Functionalized Anthracene/Chrysene Emitters" Molecules 27, no. 24: 8923. https://doi.org/10.3390/molecules27248923