Hydrogen Oxidation on Stepped Rh Surfaces: µm-Scale versus NanoscaleReportar como inadecuado

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Catalysis Letters

, Volume 146, Issue 10, pp 1867–1874

First Online: 23 August 2016Received: 10 June 2016Accepted: 21 July 2016

AbstractThe catalytic H2 oxidation reaction on stepped Rh surfaces in the 10 mbar pressure range was studied in situ on individual high-Miller-index domains of a polycrystalline Rh foil by PEEM photoemission electron microscopy and on a Rh nanotip by FIM-FEM field-ion-field-emission microscopy. The activity, particularly the tolerance to poisoning by oxygen, was found to strongly depend on the density of steps and defects, as well as on the size of the catalytically active surfaces.


AbstractOpen image in new windowKeywordsHydrogen oxidation Photoemission electron microscopy Field emission microscopy Rhodium  Download fulltext PDF

Autor: M. Datler - I. Bespalov - S. Buhr - J. Zeininger - M. Stöger-Pollach - J. Bernardi - G. Rupprechter - Y. Suchorski

Fuente: https://link.springer.com/

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