Mechanism of C2H4 dehydrogenation to C2H2 on the Ni(111) surface

Lam, Mimi E.; Boyd, Russell J.; Kreuzer, H. J.

doi:10.1016/0009-2614(96)00214-x

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Cited by 3 publications

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“…A review that considers the effect of temperature was recently published [37]. In a related paper, the thermally induced decomposition of ethylene to acetyleneon the Ni(1 1 1) surface was treated theoretically: potential-energy curves were computed within a modified extended-Hückel framework and reaction rates estimated via a master equation approach [38].…”

Section: Tablementioning

confidence: 99%

Study of the adsorption, electronic structure and bonding of C2H4 on the FeNi(111) surface

Simonetti¹,

Brizuela²,

Juan³

2010

Applied Surface Science

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Section: Tablementioning

confidence: 99%

Study of the adsorption, electronic structure and bonding of C2H4 on the FeNi(111) surface

Simonetti¹,

Brizuela²,

Juan³

2010

Applied Surface Science

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In situ high-resolution X-ray photoelectron spectroscopy – Fundamental insights in surface reactions

Papp

2013

Surface Science Reports

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Ethene adsorption and dehydrogenation on clean and oxygen precovered Ni(111) studied by high resolution x-ray photoelectron spectroscopy

Lorenz

Fuhrmann

Streber

et al. 2010

The Journal of Chemical Physics

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The adsorption and thermal evolution of ethene (ethylene) on clean and oxygen precovered Ni(111) was investigated with high resolution x-ray photoelectron spectroscopy using synchrotron radiation at BESSY II. The high resolution spectra allow to unequivocally identify the local environment of individual carbon atoms. Upon adsorption at 110 K, ethene adsorbs in a geometry, where the two carbon atoms within the intact ethene molecule occupy nonequivalent sites, most likely hollow and on top; this new result unambiguously solves an old puzzle concerning the adsorption geometry of ethene on Ni(111). On the oxygen precovered surface a different adsorption geometry is found with both carbon atoms occupying equivalent hollow sites. Upon heating ethene on the clean surface, we can confirm the dehydrogenation to ethine (acetylene), which adsorbs in a geometry, where both carbon atoms occupy equivalent sites. On the oxygen precovered surface dehydrogenation of ethene is completely suppressed. For the identification of the adsorbed species and the quantitative analysis the vibrational fine structure of the x-ray photoelectron spectra was analyzed in detail.

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Mechanism of C2H4 dehydrogenation to C2H2 on the Ni(111) surface

Cited by 3 publications

References 22 publications

Study of the adsorption, electronic structure and bonding of C2H4 on the FeNi(111) surface

Study of the adsorption, electronic structure and bonding of C2H4 on the FeNi(111) surface

In situ high-resolution X-ray photoelectron spectroscopy – Fundamental insights in surface reactions

Ethene adsorption and dehydrogenation on clean and oxygen precovered Ni(111) studied by high resolution x-ray photoelectron spectroscopy

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