Electronic spectra of bisANBODIPYs in CH2Cl2.
| UV-vis-NIR | Fluorescence | ||||||
|---|---|---|---|---|---|---|---|
| nm (ε × 10−4 M−1 cm−1) or [relative intensity] | nm (ex. nm) | Φ a | |||||
| 7a | 486 [0.13] | 580 [sh, 0.27] | 624 [1.00] | 631 (600) | 0.40 | ||
| 7b | 488 (2.48) | 580 (sh, 4.81) | 621 (20.1) | 640 (580) | 0.53 | ||
| 8b | 351 (1.83) | 422 (1.72) | 535 (sh, 3.14) | 625 (14.1) | 658 (610) | 0.07 | |
| 8c | 358 (1.35) | 416 (1.82) | 540 (3.10) | 624 (12.1) | 665 (590) | 0.10 | |
| 9b | 420 (1.60) | 460 (1.78) | —b | 646 (8.84) | 707 (590) | 0.02 | |
| 10a | 348 [0.21] | 433 [0.20] | 475 [0.19] | 746 [0.38] | 828 [1.00] | 838 (790) | 0.08 |
| 10b | 348 (2.36) | 430 (2.50) | 472 (2.13) | 744 (5.54) | 818 (16.9) | 846 (800) | 0.10 |
| 11b | 356 (2.34) | 443 (1.91) | 570 (0.94) | 756 (5.18) | 835 (15.9) | 842 (800) | 0.05 |
| 11c | 366 (2.45) | 446 (2.10) | 572 (1.00) | 758 (5.06) | 836 (15.9) | 850 (780) | 0.04 |
| 12b | 397 [0.19] | 490 [0.14] | 624 [0.09] | 803 [0.34] | 900 [1.00] | — | — |
a
Absolute quantum yield.
b
The shoulder peak was not observed probably due to broadening of the main peak.