Table 1 Lifetimes (τ1, τ2, and τ3) and relative contributions for un-passivated and passivated NDs at 390 nm excitation
From: Time-Resolved Luminescence Properties of Laser-Fabricated Nano-diamonds
λEm (nm) | τ1 (ns) | τ1 (%) | τ2 (ns) | τ2 (%) | τ3 (ns) | τ3 (%) | |
|---|---|---|---|---|---|---|---|
Un-passivated NDs | 420 | 1.00 | 83.2 | 5.51 | 16.8 | – | – |
440 | 1.49 | 76.9 | 6.15 | 23.1 | – | – | |
480 | 1.50 | 64.8 | 5.64 | 34.3 | 23.0 | 0.9 | |
520 | 1.62 | 65.7 | 6.03 | 33.7 | 32.8 | 0.6 | |
Passivated NDs | 420 | 1.71 | 70.6 | 5.82 | 29.4 | – | – |
440 | 1.91 | 68.8 | 6.41 | 31.2 | – | – | |
480 | 1.83 | 56.0 | 5.88 | 41.4 | 17.6 | 2.6 | |
520 | 1.75 | 52.2 | 5.86 | 44.1 | 16.3 | 3.7 |