Table 1.
Photophysical data of corroles 1–4.
| DCM | ||||||
|---|---|---|---|---|---|---|
| Corrole | λAbs (ε; M−1 cm−1 × 105) a | λEm (QY; %) b | SS (nm/cm−1) c | τf (ns) d/Χ2 | kr (×108 s−1) e | knr (×108 s−1) e |
| 1 | 411 (1.47), 563 (0.24), 614 (0.14) | 659, 717 (15.0) | 248/9155 | 3.66/1.05815 | 0.41 | 2.32 |
| 2 | 412 (0.96), 562 (0.14), 614 (0.07) | 658, 719 (9.0) | 246/9075 | 4.20/0.97026 | 0.21 | 2.16 |
| 3 | 411 (0.86), 563 (0.15), 615 (0.09) | 662, 718 (8.0) | 251/9225 | 3.70/1.16247 | 0.21 | 2.49 |
| 4 | 411 (1.16), 562 (0.18), 612 (0.11) | 657, 719 (12.0) | 246/9110 | 3.87/1.14992 | 0.31 | 2.27 |
| ACN | ||||||
| Corrole | λAbs (ε; M−1 cm−1 × 105) a | λEm (QY; %) b | SS (nm/cm−1) c | τf (ns)d/Χ2 | kr (×108 s−1) e | knr (×108 s−1) e |
| 1 | 419 (0.94), 577 (0.11), 625 (0.20) | 635, 693 (11.0) | 216/8120 | 4.04/1.05903 | 0.27 | 2.20 |
| 2 | 420 (1.01), 580 (0.10), 624 (0.25) | 634, 692 (17.0) | 214/8035 | 4.24/1.15462 | 0.40 | 1.96 |
| 3 | 419 (0.76), 583 (0.09), 627 (0.20) | 637, 694 (8.0) | 218/8165 | 3.68/1.13217 | 0.22 | 2.50 |
| 4 | 420 (0.79), 583 (0.07), 623 (0.22) | 633, 692 (11.0) | 213/8010 | 4.07/1.17485 | 0.27 | 2.18 |
| MeOH | ||||||
| Corrole | λAbs (ε; M−1 cm−1 × 105) a | λEm (QY; %) b | SS (nm/cm−1) c | τf (ns)d/Χ2 | kr (×108 s−1) e | knr (×108 s−1) e |
| 1 | 409 (0.82), 571 (0.15), 617 (0.11) | 658 (11.0) | 249/9250 | 3.77/1.13135 | 0.29 | 2.36 |
| 2 | 410 (1.21), 567 (0.20), 613 (0.18) | 661 (6.0) | 251/9260 | 3.78/1.01780 | 0.16 | 2.48 |
| 3 | 410 (1.17), 568 (0.21), 613 (0.15) | 666 (22.0) | 256/9375 | 3.56/1.07740 | 0.62 | 2.19 |
| 4 | 409 (1.39), 567 (0.24), 613 (0.18) | 658 (10.0) | 249/9250 | 3.66/1.05354 | 0.27 | 2.46 |
| DMSO | ||||||
| Corrole | λAbs (ε; M−1 cm−1 × 105) a | λEm (QY; %) b | SS (nm/cm−1) c | τf (ns) d/Χ2 | kr (×108 s−1) e | knr (×108 s−1) e |
| 1 | 425 (1.56), 580 (0.22), 627 (0.40) | 637, 692 (38.0) | 212/7830 | 4.26/1.00523 | 0.89 | 1.45 |
| 2 | 427 (1.05), 587 (0.11), 628 (0.31) | 640, 697 (26.0) | 213/7795 | 4.20/1.10980 | 0.62 | 1.76 |
| 3 | 426 (1.00), 579 (0.14), 630 (0.25) | 643, 701 (22.0) | 217/7920 | 4.12/1.08084 | 0.53 | 1.89 |
| 4 | 427 (1.37), 585 (0.15), 627 (0.38) | 639, 696 (27.0) | 212/7770 | 4.35/1.09784 | 0.62 | 1.68 |
a [ ] = 10 μM; b [ ] = 5.0 μM, using TPP as standard (QY = 11%, DMF solution); c SS = Stokes shifts = λem − λSoret (nm) = 1/λSoret − 1/λem (cm−1); d Excitation by NanoLED source at 441 nm; e According ref. [20].