Table 2. Temperature-Dependent Fluorescence Decay Parameters for W87in and W167ina,b,c.
temperature (°C) | α1d | τ1 (ns) | α2 | τ2 (ns) | α3 | τ3 (ns) |
---|---|---|---|---|---|---|
W87in | ||||||
10 | 0.07 | 0.79 | 0.46 | 2.57 | 0.47 | 5.39 |
15 | 0.07 | 0.77 | 0.45 | 2.44 | 0.48 | 5.23 |
20 | 0.07 | 0.72 | 0.45 | 2.35 | 0.48 | 5.05 |
25 | 0.06 | 0.58 | 0.45 | 2.19 | 0.49 | 4.81 |
30 | 0.08 | 0.67 | 0.42 | 2.17 | 0.50 | 4.64 |
35 | 0.04 | 0.51 | 0.43 | 2.01 | 0.53 | 4.47 |
40 | 0.04 | 0.52 | 0.42 | 1.91 | 0.54 | 4.27 |
45 | 0.06 | 0.47 | 0.41 | 1.81 | 0.53 | 4.08 |
50 | 0.02 | 0.28 | 0.42 | 1.64 | 0.56 | 3.80 |
W167in | ||||||
10 | 0.07 | 3.43 | 0.93 | 6.94 | ||
15 | 0.07 | 3.42 | 0.93 | 6.82 | ||
20 | 0.07 | 3.43 | 0.93 | 6.66 | ||
25 | 0.07 | 3.26 | 0.93 | 6.46 | ||
30 | 0.08 | 3.10 | 0.92 | 6.36 | ||
35 | 0.07 | 3.03 | 0.93 | 6.11 | ||
40 | 0.08 | 2.76 | 0.92 | 5.90 | ||
45 | 0.08 | 2.83 | 0.92 | 5.70 |
Lifetimes were obtained at 337.0 nm for W87in and 338.0 nm for W167in.
The amplitudes are reported such that α1 + α2 + α3 = 1.
Lifetime errors are ±10% for τ1 and ±3% for τ2 and τ3.
No sub-nanosecond lifetimes were observed for W167in.