Table 1.
Solvent | Dielectric Constant | λmaxabs/nm | λmaxem/nm | τav/ns | Quantum Yield |
---|---|---|---|---|---|
Chlorobenzene | 5.62 | 630 | 666 | 0.68 | 0.266 |
Toluene | 2.38 | 609 | 649 | 0.58 | 0.202 |
Dibutyl ether | 3.08 | 598 | 644 | 0.35 | 0.188 |
Diethyl ether | 4.20 | 605 | 651 | 0.27 | 0.126 |
Butanol | 17.51 | 642 | 670 | 0.36 | 0.058 |
2-Propanol | 19.92 | 639 | 678 | 0.34 | 0.049 |
Ethanol | 24.55 | 637 | 672 | 0.56 | 0.049 |
THF | 7.58 | 624 | 671 | 0.21 | 0.044 |
1,4-Dioxane | 2.21 | 595 | 648 | 0.57 | 0.041 |
Dichloromethane | 8.93 | 648 | 665 | 0.31 | 0.022 |
Methanol | 32.66 | 627 | 676 | 1.88 | 0.014 |
Acetone | 20.56 | 633 | 676 | 0.1 | 0.012 |
Acetonitrile | 35.94 | 636 | 679 | 2.34 | 0.011 |
Water | 78.36 | 650 | 676 | 0.47 | 0.001 |
Nile Blue A (see [28]) | - | 630 | 659 | - | 0.27 |