Synthesis and Characterization of Cobalt−Complex Functionalized MCM-41
Chemistry of Materials1997Vol. 9(1), pp. 61–67
Citations Over TimeTop 1% of 1997 papers
Abstract
Silanation of the internal pore surface of the mesoporous molecular sieve MCM-41 (40 Å) has yielded ethylenediamine (ED), diethylenetriamine (DET), and ethylenediaminetriacetic acid salt (EDT) functionalized sites. These grafted ligands were used for the preparation of cobalt(II) complexes covalently bound to the MCM-41 support. These materials were characterized by SEM, UV−vis, FTIR, ESR, and cyclic voltammetry as well as elemental analysis. Preliminary studies suggest the formation of a reversible cobalt−oxygen adduct with MCM-41 grafted ED and DET. The nature and reactivity of the MCM-41 bound complexes were found to differ significantly from functionalized amorphous silica.
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