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Abrupt increase in hydrogen diffusion on transition-metal surfaces during hydrogenation catalysis.

ABSTRACT: A sharp increase in the rate of hydrogen isotope scrambling was identified during the hydrogenation of olefins with H₂ + D₂ mixtures on Pt(111) catalysts, which spectroscopic data suggest is due to a sudden increase in atomic hydrogen surface mobility because of a decrease in the size of the islands of the adsorbed hydrocarbons.

SUBMITTER: Simonovis J

PROVIDER: S-EPMC6013773 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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Abrupt increase in hydrogen diffusion on transition-metal surfaces during hydrogenation catalysis.

Simonovis Juan J Zaera Francisco F

Chemical science 20160418 7

A sharp increase in the rate of hydrogen isotope scrambling was identified during the hydrogenation of olefins with H<sub>2</sub> + D<sub>2</sub> mixtures on Pt(111) catalysts, which spectroscopic data suggest is due to a sudden increase in atomic hydrogen surface mobility because of a decrease in the size of the islands of the adsorbed hydrocarbons. ...[more]

PMID: 30155114

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