Analysis of the oxidation state of platinum particles in supported catalysts by double differentiation of XPS lines

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dc.citation.epage1133en_US
dc.citation.issueNumber6en_US
dc.citation.spage1127en_US
dc.citation.volumeNumber57en_US
dc.contributor.authorSmirnov, M. Y.en_US
dc.contributor.authorKalinkin, A. V.en_US
dc.contributor.authorVovk, E. I.en_US
dc.contributor.authorBukhtiyarov, V. I.en_US
dc.date.accessioned2018-04-12T11:07:24Z
dc.date.available2018-04-12T11:07:24Z
dc.date.issued2016en_US
dc.departmentDepartment of Chemistryen_US
dc.description.abstractIn the work the double differentiation of functions describing the Pt4f7/2 band in the XPS spectra of model supported Pt/SiO2 catalysts is performed in order to determine the number of different chemical states of platinum particles. The functions for the differentiation are obtained by the deconvolution of the experimental spectral contour into two spin-orbit components. As a result of the performed analysis of the number and position of the minima of the second derivative of the function of Pt437/2 the conditions of the oxidation of platinum particles in the Pt/SiO2 sample on treating in a NO + O2 mixture and the reduction of platinum oxide particles on interacting of the PtOx/SiO2 sample with hydrogen are determined.en_US
dc.identifier.doi10.1134/S002247661606010Xen_US
dc.identifier.issn0022-4766
dc.identifier.urihttp://hdl.handle.net/11693/37253
dc.language.isoEnglishen_US
dc.publisherM A I K Nauka - Interperiodicaen_US
dc.relation.isversionofhttp://dx.doi.org/10.1134/S002247661606010Xen_US
dc.source.titleJournal of Structural Chemistryen_US
dc.subjectDifferentiation of the spectraen_US
dc.subjectModel catalystsen_US
dc.subjectPlatinumen_US
dc.subjectSilicon dioxideen_US
dc.subjectX-ray photoelectron spectroscopyen_US
dc.titleAnalysis of the oxidation state of platinum particles in supported catalysts by double differentiation of XPS linesen_US
dc.typeArticleen_US
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