Bond Forming Reactions Involving C1 Moieties: Late Versus Early Transition Metal Surfaces

A brief survey is provided on the contrast in the surface chemistry of C 1 adsorbed species on vanadium versus nickel and platinum single crystals. Mechanistic insights from modern surface-studies under ultrahigh vacuum are offered to explain reaction selectivities in terms of relative rates for dif...

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Bibliographic Details
Published inTopics in catalysis Vol. 54; no. 8-9; pp. 482 - 489
Main Authors Shen, Min, Guo, Hansheng, Zaera, Francisco
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.06.2011
Subjects
Catalysis
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Original Paper
Pharmacy
Physical Chemistry
Temperature programmed desorption
Methyl
Vanadium
Surface chemistry
Selectivity
Nickel
Ultrahigh vacuum
Formaldehyde
Single crystal
Methylene
Methanol
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Summary:A brief survey is provided on the contrast in the surface chemistry of C 1 adsorbed species on vanadium versus nickel and platinum single crystals. Mechanistic insights from modern surface-studies under ultrahigh vacuum are offered to explain reaction selectivities in terms of relative rates for different types of surface elementary steps, namely, hydrogenation, dehydrogenation, coupling, and methylene and oxygen insertions. It is clear from the surface chemistry reviewed here that early transition metals such as vanadium are quite reactive, but also that they are still able to promote interesting bond-forming reactions, and could possibly be used to prepare novel catalysis.
ISSN:1022-5528
1572-9028
DOI:10.1007/s11244-011-9611-3