Synthesis and characterization of cobalt-complex functionalized MCM-41.

被引:207
作者
Diaz, JF
Balkus, KJ
Bedioui, F
Kurshev, V
Kevan, L
机构
[1] UNIV TEXAS,DEPT CHEM,RICHARDSON,TX 75083
[2] ENSCP,LAB ELECTROCHIM & CHIM ANALYT,F-75231 PARIS 05,FRANCE
[3] UNIV HOUSTON,DEPT CHEM,HOUSTON,TX 77204
关键词
D O I
10.1021/cm960228e
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Silanation of the internal pore surface of the mesoporous molecular sieve MCM-41 (40 Angstrom) 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.
引用
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页码:61 / 67
页数:7
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