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Carbon–carbon coupling from formaldehyde reaction on Mo(110)

Formaldehyde (CH 2O) reaction on Mo(110) is studied with temperature programmed reaction and infrared reflectance absorbance spectroscopy. We present preliminary results which demonstrate the evolution of gas-phase ethylene from the formaldehyde reaction, to the best of our knowledge the first examp...

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Published in:Surface science 1998-11, Vol.418 (1), p.L31-L38
Main Authors: Queeney, K.T, Arumainayagam, C.R, Balaji, A, Friend, C.M
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Language:English
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description Formaldehyde (CH 2O) reaction on Mo(110) is studied with temperature programmed reaction and infrared reflectance absorbance spectroscopy. We present preliminary results which demonstrate the evolution of gas-phase ethylene from the formaldehyde reaction, to the best of our knowledge the first example of carbon–carbon bond formation on clean Mo(110). This reaction is proposed to proceed via an ethylene dialkoxide intermediate, analogous to that formed during reaction of ethylene glycol on Mo(110). Other reactions include hydrogenation of CH 2O to form a methoxy intermediate which subsequently undergoes C–O bond scission to evolve gas-phase methyl radicals at ∼600 K.
doi_str_mv 10.1016/S0039-6028(98)00754-7
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subjects Catalysis
Chemistry
Exact sciences and technology
Formaldehyde oxygenates
General and physical chemistry
Infrared absorption spectroscopy
Molybdenum
Molybdenum oxides
Photon absorption spectroscopy
Single crystal surfaces
Solid-gas interface
Surface chemical reaction
Surface physical chemistry
title Carbon–carbon coupling from formaldehyde reaction on Mo(110)
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