| Sample | Solution, λmax (nm) |
| Filme, λmax (nm) | ||
| Absorptiona | Emissionb,c | Absorption | Emissionc | ||
| HCz-1 | 267 (363) | 425 (373) | 0.19 | 267 (377) | 357 |
| HCz-2 | 268 (377) | 425 (371) | 0.48 | 268 (396) | 360 |
| HCz-if | 332 | 454 | 0.47 | 334 | 477 |
| HCz-iif | 349 | 454 | 0.94 | 349 | 482 |
| HCz-0f | 373 | 414 | 0.79 | 377 | 433 |