Table 2. UV–Vis and Color Coordinate Data for the Selected DHPP Chromophoresa.
|
λoxmax (nm) |
Color Coordinates |
||||
|---|---|---|---|---|---|
| Chromophore | λneumax (nm) | Somo-α | Somo-β | Neu. (L*a*b*) | Ox. (L*a*b*) |
| 3 | 383 | 505 | >800 | 100, −1, 3 | 86, 24,25 |
| 4 | 382 | 525 | >800 | 100, −1, 3 | 81, 32, 14 |
| 5 | 397 | 485 | 725 | 100, −4, 9 | 90, 3, 42 |
| 6 | 412 | 490 | 730 | 100, −11, 37 | 83, 10, 52 |
The neutral and oxidized λmax values correspond to the SOMO-α → LUMO-α and SOMO-β → LUMO-β, while the neutral and oxidized color coordinates are calculated based on mid-day lighting standards (D50 illuminant as a 2° observer).