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dc.contributor.authorDavidson, Alisha L.
dc.contributor.authorLennon, David
dc.contributor.authorWebb, Paul B.
dc.contributor.authorAlbers, Peter W.
dc.contributor.authorBerweiler, Monika
dc.contributor.authorPoss, René
dc.contributor.authorRoos, Meike
dc.contributor.authorReinsdorf, Arne
dc.contributor.authorWolf, Dorit
dc.contributor.authorParker, Stewart F.
dc.identifier.citationDavidson , A L , Lennon , D , Webb , P B , Albers , P W , Berweiler , M , Poss , R , Roos , M , Reinsdorf , A , Wolf , D & Parker , S F 2021 , ' The characterisation of hydrogen on nickel and cobalt catalysts ' , Topics in Catalysis , vol. 64 , no. 9 , pp. 644-659 .
dc.identifier.otherPURE: 275393326
dc.identifier.otherPURE UUID: e3e82ee9-00a6-42bd-937d-3d9f6c445861
dc.identifier.otherRIS: urn:A1426F24CAB4FF08BF9ED45333D8EA79
dc.identifier.otherRIS: Davidson2021
dc.identifier.otherScopus: 85105130502
dc.identifier.otherORCID: /0000-0003-2532-344X/work/98488158
dc.identifier.otherWOS: 000652100700001
dc.description.abstractWe have investigated a series of supported and unsupported nickel and cobalt catalysts, principally using neutron vibrational spectroscopy (inelastic neutron scattering, INS). For an alumina supported Ni catalyst we are able to detect hydrogen on the metal for the first time, all previous work has used Raney Ni. For an unsupported Ni foam catalyst, which has similar behaviour to Raney Ni but with a much lower density, the spectra show that there are approximately equal numbers of (100) and (111) sites, in contrast to Raney Ni that shows largely (111) sites. The observation of hydrogen on cobalt catalysts proved to be extremely challenging. In order to generate a cobalt metal surface, reduction in hydrogen at 250–300 °C is required. Lower temperatures result in a largely hydroxylated surface. The spectra show that on Raney Co (and probably also on a Co foam catalyst), hydrogen occupies a threefold hollow site, similar to that found on Co(101¯0). The reduced surface is highly reactive: transfers between cells in a high quality glovebox were sufficient to re-hydroxylate the surface.
dc.relation.ispartofTopics in Catalysisen
dc.rights© The Author(s) 2021. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.en
dc.subjectInelastic neutron scatteringen
dc.subjectQD Chemistryen
dc.titleThe characterisation of hydrogen on nickel and cobalt catalystsen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.description.statusPeer revieweden

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