CHEMISORPTION AND THERMAL-DECOMPOSITION OF ACETYLENE AND ETHYLENE ON PD(110) - HREELS, TDS AND LEED STUDIES

被引：16

作者：

YOSHINOBU, J ^{[1
]}

SEKITANI, T ^{[1
]}

ONCHI, M ^{[1
]}

NISHIJIMA, M ^{[1
]}

机构：

[1] KYOTO UNIV,FAC SCI,DEPT CHEM,KYOTO 606,JAPAN

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 1990年 / 54卷

基金：

日本学术振兴会;

关键词：

D O I：

10.1016/0368-2048(90)80262-9

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The adsorption and thermal evolution of acetylene and ethlene on Pd(110) have been studied using high-resolution electron energy loss spectroscopy, multiplexed thermal desorption spectroscopy and low-energy electron diffraction. For a small exposure at 90 K, acetylene is chemisorbed molecularly in a single state, and is located in the mu-2-site with its CC bond axis inclined to the surface plane; one of the CH groups is hydrogen-bonded to the surface. For a large exposure, acetylene is adsorbed in several states. Ethylene is pi-bonded to the Pd(110) surface at 90 K. The dehydrogenation processes of acetylene and ethylene on Pd(110) by the heat treatment are discussed.

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收藏

页码：697 / 704

页数：8

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