Templating of multiple ligand metal ion complexation sites in 8-hydroxyquinoline-modified silica sol-gel materials investigated by in situ Raman spectroscopy.

Abstract

Metal ion templating in a sol-gel synthesis is used to develop multiligand 8-hydroxyquinoline binding sites in porous silica structures. The acid-base equilibria and the metal ion binding equilibria and stoichiometry of these materials are investigated by in situ Raman spectroscopy. This technique is capable of resolving spectral responses of the free… (More)

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