Table 1. Luminescence properties under UV (295 nm) and visible light (400 nm) excitation at room temperature.
| Compd. | Fluorescence (λex = 295 nm) |
OURTP
c
(λex = 295 nm) |
OURTP
c
(λex = 400 nm) |
||||||||
| λ a (nm) | τ a (ns) | λ b (nm) | τ b (ns) | λ c (nm) | τ c (ns) | λ (nm) | τ (s) | η p (%) | τ (s) | η p (%) | |
| PhCz | 349/364 | 5.5 | 368 | 9.3 | 380 | 11.2 | 548/596 | 0.24/0.23 | 1.5 | 0.27/0.26 | 1.8 |
| pBrPhCz | 349/361 | 2.2 | 365 | 0.5 | 385 | 3.9 | 550/598 | 0.20/0.20 | 1.5 | 0.25/0.23 | 9.5 |
| mBrPhCz | 348/359 | 1.3 | 369 | 0.6 | 432 | 6.6 | 548/598 | 0.18/0.17 | 3.3 | 0.24/0.23 | 6.6 |
| DBrPhCz | 346/357 | 0.1 | 369 | 0.2 | 375 | 8.5 | 549/597 | 0.08/0.07 | 1.6 | 0.08/0.08 | 8.2 |
aIn CH2Cl2.
bIn a thin film.
cIn a crystal.