INFRARED-SPECTRA OF ETHYLENE ADSORBED ON TRANSITION-METALS AT LOW-TEMPERATURES AND HYDROGENATION OF THE ADSORBED SPECIES

被引：60

作者：

SOMA, Y

机构：

[1] College of General Education, University of Tokyo, Tokyo, 153, Komaba

来源：

JOURNAL OF CATALYSIS | 1979年 / 59卷 / 02期

关键词：

D O I：

10.1016/S0021-9517(79)80028-7

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：

Infrared spectra of ethylene adsorbed on Al2O3-supported Pt, Pd, and Rh were measured at -78°C. π-Adsorbed ethylene was the main adsorbed species on these metals and a significant difference in the C=C stretching frequencies of π-adsorbed ethylene with metals was found. The dehydrogenated species of ethylene, MCHCHM, was also observed at -78°C. π-Adsorbed ethylene was rapidly hydrogenated by hydrogen at -78°C to form ethane. It was concluded that the stable σ-adsorbed ethylene was not formed in the course of hydrogenation of π-adsorbed ethylene. © 1979 Academic Press, Inc. All rights reserved.

引用

页码：239 / 247

页数：9

共 20 条

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