Ethylene adsorption on regularly stepped copper surface: C2H4 on Cu(210)

College

College of Science

Department/Unit

Chemistry

Document Type

Article

Source Title

Surface Science

Volume

605

First Page

934

Last Page

940

Publication Date

2011

Abstract

Ethylene adsorption on regularly stepped Cu(210) surface was investigated with infrared reflection–adsorption spectroscopy and temperature programmed desorption. At 90 K, π-bonded ethylene was adsorbed on Cu(210) molecularly and all species were desorbed below 160 K. There were three types of π-bonded ethylene on the surface. Recent experimental studies have suggested that ethylene is dehydrogenated on Cu(410) due to the regular step [Kravchuk et al., J. Phys. Chem. C, 113 (2009) 20881]. However, neither the formation of di-σ-bonded ethylene nor dehydrogenation occurred on Cu(210).

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Disciplines

Chemistry

Keywords

Ethylene; Copper—Surfaces; Thermal desorption; Surface chemistry

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