Interactions and dynamics in electrolyte solutions by dielectric spectroscopy

Abstract

A review. Despite its immense abilities to quantify many aspects of ion-ion and ion-solvent interactions, dielec. relaxation spectroscopy (DRS) has long been neglected as a tool for the investigation of the structure and dynamics of electrolyte solns. The reasons for this are briefly discussed and it is shown that many of the difficulties assocd. with this technique have been overcome in recent years by technol. developments. Representative applications of DRS to the investigation of ion solvation and ion assocn. in electrolyte solns. of chem., industrial, geochem. and biol. interest, including room temp. ionic liqs. and polyelectrolyte systems, are discussed. The advantages of linking DRS measurements to information obtained from other exptl. techniques and from computer simulations are highlighted.