Solid State Room Temperature Dual Phosphorescence from 3-(2-Fluoropyridin-4-yl)triimidazo[1,2-a:1′,2′-c:1″,2″-e][1,3,5]triazine
Abstract
:1. Introduction
2. Results
3. Discussion
4. Materials and Methods
4.1. General Information
4.2. Single Crystal X-Ray Studies
4.3. Computational Details
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sample Availability: Not available. |
Sample | 298 K | 77 K | |||||||
---|---|---|---|---|---|---|---|---|---|
Φ (%) | λabs 1 (nm) | λem (nm) | τ (λexc 300nm) | Origin | λabs 1 (nm) | λem (nm) | τ (λexc 300nm) | Origin | |
1 (CH3CN) | 50 | 290 | 358 | 4.26ns 2 | S1-S0 | 295 | 344 | 0.44 ns (0.52), 1.74 ns (0.40) 7.9 ns (0.08) 3 | S1-S0 |
350 | 454 | 127 ms (0.07), 1640 ms (0.93) 4 | T1-S0 | ||||||
1 (crystals) | 25 | 301 | 373 | 1.78 ns (0.19), 5.02 ns (0.81) 5 | S1-S0 | 306 | 385 | 7.56 ns (0.10), 16.87 ns (0.90) 5 | S1-S0 |
368, 392 | 403, 424, 446 | 1.26 ms (0.40), 12.35 ms (0.60) 6 | T1-S0 | 369, 390 | 401, 425, 457 | 1.52 ms (0.45), 13.97 ms (0.55) 6 | T1-S0 | ||
500, 533 | 546 592 | 42.27 ms (0.38), 441.21 ms (0.62) 7 | -S0 | 513 | 549 | 175.95 ms (0.03), 1190.09 ms (0.49)2320.45 ms (0.48)7 | -S0 | ||
1(film) | 298 | 348 | 0.84 ns (0.28), 2.06 ns (0.72) 8 | S1-S0 | |||||
415, 436 | 0.57 ms (0.50), 3.50 ms (0.50) 9 | T1-S0 |
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Previtali, A.; Lucenti, E.; Forni, A.; Mauri, L.; Botta, C.; Giannini, C.; Malpicci, D.; Marinotto, D.; Righetto, S.; Cariati, E. Solid State Room Temperature Dual Phosphorescence from 3-(2-Fluoropyridin-4-yl)triimidazo[1,2-a:1′,2′-c:1″,2″-e][1,3,5]triazine. Molecules 2019, 24, 2552. https://doi.org/10.3390/molecules24142552
Previtali A, Lucenti E, Forni A, Mauri L, Botta C, Giannini C, Malpicci D, Marinotto D, Righetto S, Cariati E. Solid State Room Temperature Dual Phosphorescence from 3-(2-Fluoropyridin-4-yl)triimidazo[1,2-a:1′,2′-c:1″,2″-e][1,3,5]triazine. Molecules. 2019; 24(14):2552. https://doi.org/10.3390/molecules24142552
Chicago/Turabian StylePrevitali, Andrea, Elena Lucenti, Alessandra Forni, Luca Mauri, Chiara Botta, Clelia Giannini, Daniele Malpicci, Daniele Marinotto, Stefania Righetto, and Elena Cariati. 2019. "Solid State Room Temperature Dual Phosphorescence from 3-(2-Fluoropyridin-4-yl)triimidazo[1,2-a:1′,2′-c:1″,2″-e][1,3,5]triazine" Molecules 24, no. 14: 2552. https://doi.org/10.3390/molecules24142552