Table 1 Fluorescence lifetimes of 1c and 1w in the presence of TNP in chloroform and in water
From: Mechanistic insight into the sensing of nitroaromatic compounds by metal-organic frameworks
Solvent | Amount of TNP (1 mm) added/μL | a 1 | τ 1/ns | a 2 | τ 2/ns | a 3 | τ 3/ns | τ av/ns |
|---|---|---|---|---|---|---|---|---|
Chloroform | 0 | 0.23 | 0.49 | 0.46 | 2.08 | 0.31 | 5.06 | 2.65 |
40 | 0.26 | 0.47 | 0.46 | 1.74 | 0.28 | 3.34 | 1.85 | |
80 | 0.41 | 0.44 | 0.55 | 1.33 | 0.04 | 3.44 | 1.04 | |
120 | 0.53 | 0.42 | 0.45 | 1.19 | 0.02 | 4.21 | 0.84 | |
160 | 0.54 | 0.39 | 0.44 | 1.10 | 0.02 | 4.52 | 0.76 | |
200 | 0.65 | 0.36 | 0.34 | 0.98 | 0.01 | 5.11 | 0.62 | |
Water | 0 | 0.41 | 0.48 | 0.52 | 1.43 | 0.07 | 2.73 | 1.12 |
40 | 0.35 | 0.54 | 0.57 | 1.47 | 0.08 | 2.78 | 1.25 | |
80 | 0.32 | 0.59 | 0.58 | 1.48 | 0.10 | 2.72 | 1.32 | |
120 | 0.38 | 0.56 | 0.58 | 1.49 | 0.04 | 3.21 | 1.21 | |
160 | 0.38 | 0.59 | 0.58 | 1.49 | 0.04 | 3.23 | 1.23 | |
200 | 0.38 | 0.66 | 0.60 | 1.74 | 0.02 | 4.64 | 1.38 |