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Preparation and Catalytic Properties of New SiO2-attached Nb-dimer Catalyst: Regulation of Acidity-Basicity by the number of Metal Atoms in Surface Active Sites

DOI: 10.1039/c39910000112

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 112 - 113 (1991)

Update date:2022-08-11

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Authors:

Ichikuni, NobuyukiIchikuni, Nobuyuki

Asakura, KiyotakaAsakura, Kiyotaka

Iwasawa, YasuhiroIwasawa, Yasuhiro

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Article abstract of DOI:10.1039/c39910000112

New Nb dimers on an SiO2 surface, prepared from the reaction between 5-C6H5)H-μ-(η5,η1-C5H4)>2 and surface OH groups, are found to have an oxygen-bridged dimeric structure, as characterised by extended X-ray fine structure (EXAFS), which is active and selective for the dehydratation of ethanol in contrast to the dehydrogenation ability of the Nb monomer catalyst.

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