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  Restructuring of silica supported vanadia during propane oxidative dehydrogenation studied by combined synchrotron radiation based in situ soft X-ray absorption and photoemission

Hävecker, M., Düngen, P., Buller, S., Knop-Gericke, A., Trunschke, A., & Schlögl, R. (2017). Restructuring of silica supported vanadia during propane oxidative dehydrogenation studied by combined synchrotron radiation based in situ soft X-ray absorption and photoemission. Catalysis, Structure and Reactivity, 3(1-2), 104-111. doi:10.1080/2055074X.2017.1287535.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0000-F594-4 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0000-F5A6-0
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Restructuring of silica supported vanadia during propane oxidative dehydrogenation studied by combined synchrotron radiation based in situ soft X ray.pdf (Verlagsversion), 2MB
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https://hdl.handle.net/21.11116/0000-0000-F596-2
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Restructuring of silica supported vanadia during propane oxidative dehydrogenation studied by combined synchrotron radiation based in situ soft X ray.pdf
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2017
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 Urheber:
Hävecker, Michael1, 2, Autor           
Düngen, Pascal2, Autor
Buller, Saskia2, Autor
Knop-Gericke, Axel1, Autor           
Trunschke, Annette1, Autor           
Schlögl, Robert1, 2, Autor           
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
2Heterogeneous Reactions, Max-Planck-Institute for Chemical Energy Conversion , Stiftstr. 34 - 36 45470 Mülheim an der Ruhr, Germany, ou_persistent13              

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 Zusammenfassung: A series of vanadia catalysts supported on mesoporous silica SBA-15 has been prepared with a loading in the range of 2–14 wt-% V and characterized under oxygen and propane oxidative dehydrogenation reaction conditions at elevated temperature up to 550 °C. In situ soft X-ray absorption spectra at the vanadium L- and oxygen K-edges and in situ synchrotron based X-ray photoemission spectra reveal a restructuring of vanadium species that results in an enhanced degree of dispersion of molecular vanadia species on the silica support. The impact of the X-ray beam on the XAS spectra of dispersed VxOy species has been studied and a brief perspective of X-ray based electron spectroscopy as a probe in catalyst characterization is given.

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Sprache(n): eng - English
 Datum: 2016-10-302017-01-182017-03-03
 Publikationsstatus: Online veröffentlicht
 Seiten: 8
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1080/2055074X.2017.1287535
 Art des Abschluß: -

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Titel: Catalysis, Structure and Reactivity
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: London : Taylor & Francis
Seiten: 8 Band / Heft: 3 (1-2) Artikelnummer: - Start- / Endseite: 104 - 111 Identifikator: ISSN: 2055-074X
CoNE: https://pure.mpg.de/cone/journals/resource/2055-074X