Solvation dynamics of 4-aminophthalimide in dioxane–water mixture
Solvation dynamics of 4-aminophthalimide (4-AP) in dioxane–water mixtures display a slow
component of 350–500 ps. This is attributed to transient dioxane–water clusters and rupture
of water–dioxane hydrogen bond. A detailed analysis indicates that there is no preferential
solvation of 4-AP in dioxane–water mixture. The solvent shift of the emission maximum of 4-
AP in a solution is shown to be controlled by hydrogen bond parameters of the solvent.
component of 350–500 ps. This is attributed to transient dioxane–water clusters and rupture
of water–dioxane hydrogen bond. A detailed analysis indicates that there is no preferential
solvation of 4-AP in dioxane–water mixture. The solvent shift of the emission maximum of 4-
AP in a solution is shown to be controlled by hydrogen bond parameters of the solvent.
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