Biomimetic oxygen transfer by Co and Cu complexes immobilized in porous matrices

Hernádi, Klára and Pálinkó, István and Bongyik, E. and Kiricsi, Imre (2001) Biomimetic oxygen transfer by Co and Cu complexes immobilized in porous matrices. STUDIES IN SURFACE SCIENCE AND CATALYSIS, 135. p. 366. ISSN 0167-2991

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Abstract

Co(II) or Cu(II) histidine or imidazole complexes were immobilized in porous matrices (montmorillonite and MCM-41) via two methods (introduction of preformed complex and complex formation within the ion-exchanged host substances). It was found that immobilization in general and the latter method in particular increased catalytic activity and catalyst life time in the decomposition reactions of hydrogen peroxide relative to the matrix-free complexes. The immobilized materials were characterized by experimental and computational methods and the structure of the guest molecules inside the hosts were also investigated.

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