Table 1 Spectral and photochemical data for phthalocyanines 2–4 in DMF
Compound | Reduced form | Neutral form | Unsubstituted bisphthalocyanines | ||
|---|---|---|---|---|---|
Q-bands (λmax, nm, log ε) | Φ | Φ | Q-bands (λmax, nm, log ε) | Φ | |
2 | 659 (5.41) 723 (4.95) | <0.01 | <0.01 | 635 (4.85) 672 (4.93) | <0.01 |
3 | 664 (5.45) 710 (4.97) | <0.01 | <0.01 | 628 (4.84) 671 (4.94) | <0.01 |
4 | 658 (5.27) 706 (5.05) | 0.03 ± 0.01 | 0.08 ± 0.01 | 624 (4.55) 671 (4.67) | <0.01 |