Table 1. Fluorescence Intensity (I) of [2AHBC] as a Function of Quencher (Aniline) Concentration [Q] at a Fixed Solute Concentration (1 × 10–6 M) in Different ACN + DXN Solvent Mixtures at Room Temperature.
| 100% ACN + 0% DXN λexi = 379 nm, λemi = 456 nm |
80% CAN + 20% DXN λexi = 375 nm, λemi = 450 nm |
60% CAN + 40% DXN λexi = 375 nm, λemi = 447 nm |
40% CAN + 60% DXN λexi = 375 nm, λemi = 443 nm |
20% ACN + 80% DXN λexi = 375 nm, λemi = 440 nm |
0% CAN + 100% DXN λexi = 380 nm, λemi = 420.5 nm |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Q] | I | I0/I | I | I0/I | I | I0/I | I | I0/I | I | I0/I | I | I0/I |
| 0.00 | 4665.500 | 3747.270 | 3600.000 | 3560.000 | 3500.000 | 3028.000 | ||||||
| 0.02 | 3301.952 | 1.412 | 2867.341 | 1.306 | 2873.643 | 1.252 | 2768.762 | 1.285 | 2892.044 | 1.210 | 2564.158 | 1.180 |
| 0.04 | 2421.604 | 1.926 | 2184.928 | 1.715 | 2329.616 | 1.545 | 2160.823 | 1.647 | 2389.436 | 1.464 | 2144.113 | 1.412 |
| 0.06 | 1818.371 | 2.565 | 1669.565 | 2.244 | 1891.168 | 1.903 | 1674.593 | 2.125 | 1959.627 | 1.786 | 1760.470 | 1.719 |
| 0.08 | 1394.835 | 3.344 | 1229.971 | 3.046 | 1558.597 | 2.312 | 1278.738 | 2.783 | 1587.816 | 2.204 | 1410.314 | 2.147 |
| 0.10 | 1069.995 | 4.360 | 963.880 | 3.887 | 1232.003 | 2.922 | 929.138 | 3.831 | 1253.798 | 2.791 | 1084.714 | 2.791 |