Rotational Friction in AOT Microemulsions: Relevance of Hydrodynamic and Dielectric Contributions to Microviscosities Probed by Fluorescent Bis[4-(dimethylamino)phenyl] Squaraine

Fluorescence depolarization of a squaraine dye (HSq, bis[4-(dimethylamino)phenyl] squaraine) was studied in pure viscous solvents triacetin (glycerol triacetate) and ethylene glycol. In ethylene gl...