Table 2 Solid-state photophysical properties of monomers and corresponding macrocycles.
From: Synthesis and macrocyclization-induced emission enhancement of benzothiadiazole-based macrocycle
M1 | C1 | M2 | C2 | M3 | C3 | M4 | C4 | M5 | C5 | M6 | C6 | M7 | C7 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
λex(nm) | 300 | 308 | 300 | 332 | 325 | 332 | 310 | 320 | 350 | 405 | 340 | 300 | 300 | 310 |
λem(nm) | 355 | 384 | 384 | 384 | 403 | 408 | 366 | 392 | 468 | 450 | 361 | 373 | 390 | 449 |
ΦPL(%) | 5.51 | 19.2 | 15.3 | 53.0 | 34.4 | 37.5 | 12.7 | 65.2 | 0.6 | 5.9 | 12.1 | 17.5 | 21.9 | 28.2 |