Selective oxidation of methane by the bis(mu-oxo)dicopper core stabilized on ZSM-5 and mordenite zeolites

This work reports on the capability of the O2-activated Cu-ZSM-5 and Cu-MOR zeolites to selectively convert methane into methanol at a temperature of 398 K. A strong correlation between (i) the activity and (ii) the intensity of the 22 700 cm-1 UV-vis band, assigned to the bis(mu-oxo)dicopper core,...

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Veröffentlicht in:Journal of the American Chemical Society Jg. 127; H. 5; S. 1394
Hauptverfasser: Groothaert, Marijke H, Smeets, Pieter J, Sels, Bert F, Jacobs, Pierre A, Schoonheydt, Robert A
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States 09.02.2005
Schlagworte:
Aluminum Silicates - chemistry
Biomimetic Materials - chemistry
Copper - chemistry
Kinetics
Methane - chemistry
Monophenol Monooxygenase - chemistry
Organometallic Compounds
Oxidation-Reduction
Oxygen - chemistry
Oxygenases - chemistry
Oxyquinoline - analogs & derivatives
Zeolites - chemistry
ISSN:0002-7863
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Zusammenfassung:This work reports on the capability of the O2-activated Cu-ZSM-5 and Cu-MOR zeolites to selectively convert methane into methanol at a temperature of 398 K. A strong correlation between (i) the activity and (ii) the intensity of the 22 700 cm-1 UV-vis band, assigned to the bis(mu-oxo)dicopper core, is found (i) as a function of the reaction temperature, (ii) as a function of the Cu loading of the zeolite, and (iii) in comparison to other Cu materials. These three lines of evidence firmly support the key role of the bis(mu-oxo)dicopper core in this selective, low-temperature hydroxylation of methane.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0002-7863
DOI:10.1021/ja047158u