Table 2. Luminescence characterization of P1-P3 in the solid state at 24 °C under nitrogen.
Powder |
Film |
|||||||
---|---|---|---|---|---|---|---|---|
λF* (nm) |
τF† (ns) |
λRTP‡ (nm) |
τRTP§ (ms) |
λF* (nm) |
τF† (ns) |
λRTP‡ (nm) |
τRTP§ (ms) |
|
P1 | 485 | 0.37 | 535 | 4.06 | 458 | 0.48 | 532 | 4.25 |
P2 | 470 | 0.42 | 527 | 4.39 | 445 | 0.54 | 526 | 4.37 |
P3 | 456 | 0.43 | 525 | 4.50 | 438 | 0.64 | 523 | 4.41 |
Steady-state fluorescence spectra excited at 369 nm.
Excitation source: 369nm light-emitting diode; fluorescence lifetime fit to triple-exponential decay.
Excitation source: xenon flash lamp at 405 nm.
Excitation source: xenon flash lamp at 405 nm; RTP lifetime fit to triple-exponential decay.