Table 1. Fluorescence Lifetime Parameters (λex = 442.6 nm) of DCM at 298 Ka.
system | τ1 (a1) (ns) | τ2 (a2) (ns) | τavg (ns) |
---|---|---|---|
water | 0.076 (0.987) | 2.23 (0.013) | 0.104 |
CM | 0.083 (0.982) | 2.39 (0.018) | 0.125 |
CM + MA | 0.096 (0.978) | 2.60 (0.022) | 0.151 |
CM + SA | 0.116 (0.960) | 2.54 (0.040) | 0.213 |
CM + AA | 0.128 (0.969) | 2.54 (0.031) | 0.203 |
CM + OA | 0.128 (0.943) | 2.36 (0.057) | 0.255 |
CM + LA | 0.142 (0.944) | 2.43 (0.056) | 0.270 |
Experimental errors in the determination of lifetime ±5%.