Table 6.
# | Nature of the Transitions | λ, nm | E, eV | Comments | |
---|---|---|---|---|---|
1 | S0 (0) → S1(1), FE | Absorption | 507 | 2.44 | |
2 | S0 (0) → S1(0), FE | Absorption | 542 | 2.29 | forbidden |
3 | S1(0) → S0(0), FE | PL | 550 | 2.26 | forbidden |
4 | S1(0) → S0(1), FE | PL | 594 | 2.09 | |
5 | Excimer-1, FE | PL | 589 | 2.11 | |
6 | Excimer-2, FE | PL | 636 | 1.95 | |
7 | CTE1 | Absorption | 556 | 2.23 | |
8 | CTE2 | Absorption | 589 | 2.11 | |
9 | CPE1 | PL | 680 | 1.82 | |
10 | CPE2 | PL | 750 | 1.65 | |
11 | WME1 | Absorption | 525 | 2.36 | d = 2.5 nm |
12 | WME2 | Absorption | 583 | 2.13 | d = 3.5 nm |
13 | WME1 | PL | 557 | 2.23 | d = 2.5 nm |
14 | WME2 | PL | 619 | 2.00 | d = 3.5 nm |
15 | CTE1–WME1 | Absorption | 569 | 2.18 |