Table 1.
In methanol: | |||||
---|---|---|---|---|---|
pH | Monitoring wavelength | Lifetime, ns | Fractional contribution, % | χ2 | Quantum yield |
4.0 | 750 | 0.74 | 97 | 1.13 | 0.028 |
6.0 | 820 | 0.49 | 88 | 1.10 | 0.009 |
8.4 | 820 | 0.50 | 90 | 1.07 | 0.008 |
In DMSO: | ||||
---|---|---|---|---|
pH | Monitoring wavelength | Lifetime, ns | Fractional contribution, % | χ2 |
4.3 | 750 | 1.27 | 103 | 1.05 |
5.7 | 820 | 1.04 | 90 | 1.10 |
7.7 | 820 | 0.93 | 88 | 1.07 |