Table 7.
Observed Emission Properties of Dyes 1a, b, 2a-d, 3 and 4.
| Solvent | 3, I-TBA | 4, I-SO | 2a, AI-SO(4) | 2b, AI-BA(4) | 2d, P-SO(4) | 1a, P-SO(2) | 1b, AI-SO(2) |
|---|---|---|---|---|---|---|---|
| λmax/nm (Φa) | λmax/nm (Φ) | λmax/nm (Φ) | λmax/nm (Φ) | λmax/nm (Φ) | λmax/nm (Φ) | λmax/nm (Φ) | |
| MeOH | 603 (0.26) | 615 (0.08) | 665 (0.54) | 618 (0.52) | 630 (0.018) | 529 (0.005) | 561 (0.05) |
| EtOH | - | - | 671 (0.82) | 651 (0.19) | 634 (0.029) | 533 (0.008) | 563 (0.09) |
| i-PrOH | - | - | 673 (0.96) | 652 (0.22) | 636 (0.049) | 532 (0.014) | 565 (0.13) |
| BuOH | 609 (0.61) | 618 (0.54) | 675 (0.92) | 654 (0.29) | 640 (0.048) | 535 (0.015) | 567 (0.16) |
| OcOH | 609 (0.99) | 617 (0.98) | 679 (0.88) | 656 (0.64) | 6443(0.082) | 536 (0.024) | 569 (0.21) |
| DMF | 611 (0.94) | 615 (0.97) | 673 (~1.0) | 658 (0.26) | 635 (0.10) | 534 (0.025) | 567 (0.16) |
| DMSO | - | - | 673 (~1.0) | 657 (0.23) | 636 (0.067) | 535 (0.024) | 567 (0.24) |
| CH3CN | - | - | 667 (0.75) | 652 (0.05) | 632 (0.067) | 531 (0.011) | 561 (0.06) |
| CH2Cl2 | - | - | 681 (0.54) | 664 (0.03) | 650 (0.082) | 541 (0.01) | 571 (0.06) |
| C6H6 | 605 (0.20) | 603 (0.42) | 691 (0.19) | 670 (0.01) | 656 (0.002) | 546 (0.004) | 577 (0.02) |