Table 1. Optical data of 1–6 in different phases.
compound | λabs/nma) | λem/nm (φf)b) | λem/nm (φf, τ/ns)c) |
---|---|---|---|
1 | 433 | 494(0.94%) | 585(39%, 2.12) |
2 | 430 | 489(1.01%) | 599(43%, 2.39) |
3 | 430 | 493(6.32%) | 571(53%, 2.66) |
4 | 428 | 488(2.79%) | 550(42%, 1.80) |
5 | 431 | 488(1.34%) | 571(17%, 1.05) |
6 | 437 | 490(<0.1%) | d) |
a)in CH2Cl2 solution (1 × 10−5 м); b) in CH2Cl2 solution (1 × 10−5 м); c) in crystalline state; d) not determined.