Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Selective Dimerization and Hydrogenation of Ethylene on Active Zirconium Oxide with Coordinatively Unsaturated Surface Sites
Sang-Chul MoonKouji TsujiTakaiki NomuraMasakazu Anpo
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1994 Volume 23 Issue 12 Pages 2241-2244


The evacuation of the ZrO2 catalyst at higher temperatures led to the appearance of an abnormal absorption and photoluminescence due to the formation of coordinatively unsaturated surface sites. These active ZrO2 catalysts having coordinatively unsaturated surface sites exhibited a high catalytic activity for the selective dimerization of C2H4 to 2-C4H8. In the presence of H2 and C2H4, the formation of C4H10 was observed in place of 2-C4H8. The significant role of the coordinatively unsaturated surface sites in these reactions on the active ZrO2 catalyst has been clarified in detail for the first time.

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© 1994 The Chemical Society of Japan
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