Table 1. Electronic Absorption and Photophysical Data for 1, 8, 11, and 14 in DMF.
compound | λabs (nm) (log ε) | λema (nm) | ΦFb | ΦΔc |
---|---|---|---|---|
1 | 323 (4.41), 377 (4.57), 447 (4.17), 610 (4.64), 662 (4.88) | 693 | 0.01 | 0.02 |
8 | 320 (4.51), 377 (4.59), 465 (4.15), 610 (4.41), 660 (4.79) | 689 | 0.22 | 0.52 |
11 | 391 (4.04), 620 (4.59), 662 (4.66) | |||
14 | 322 (4.61), 387 (4.64), 447 (4.30), 610 (4.64), 662 (4.86) | 693 | 0.01 | 0.02 |
Excited at 610 nm.
Relative to ZnPc (ΦF = 0.28 in DMF).
Relative to ZnPc (ΦΔ = 0.56 in DMF).