Single-Site VO x Moieties Generated on Silica by Surface Organometallic Chemistry: A Way To Enhance the Catalytic Activity in the Oxidative Dehydrogenation of Propane

Handle URI:
http://hdl.handle.net/10754/621677
Title:
Single-Site VO x Moieties Generated on Silica by Surface Organometallic Chemistry: A Way To Enhance the Catalytic Activity in the Oxidative Dehydrogenation of Propane
Authors:
Barman, Samir; Maity, Niladri ( 0000-0002-0588-7849 ) ; Bhatte, Kushal; Ould-Chikh, Samy ( 0000-0002-3486-0944 ) ; Dachwald, Oliver; Haeßner, Carmen; Saih, Youssef; Abou-Hamad, Edy; Llorens, Isabelle; Hazemann, Jean-Louis; Köhler, Klaus; D’ Elia, Valerio; Basset, Jean-Marie ( 0000-0003-3166-8882 )
Abstract:
We report here an accurate surface organometallic chemistry (SOMC) approach to propane oxidative dehydrogenation (ODH) using a μ2-oxo-bridged, bimetallic [V2O4(acac)2] (1) (acac = acetylacetonate anion) complex as a precursor. The identity and the nuclearity of the product of grafting and of the subsequent oxidative treatment have been systematically studied by means of FT-IR, Raman, solid-state (SS) NMR, UV-vis DRS, EPR and EXAFS spectroscopies. We show that the grafting of 1 on the silica surface under a rigorous SOMC protocol and the subsequent oxidative thermal treatment lead exclusively to well-defined and isolated monovanadate species. The resulting material has been tested for the oxidative dehydrogenation of propane in a moderate temperature range (400-525 °C) and compared with that of silica-supported vanadium catalysts prepared by the standard impregnation technique. The experimental results show that the catalytic activity in propane ODH is strongly upgraded by the degree of isolation of the VOx species that can be achieved by employing the SOMC protocol. © 2016 American Chemical Society.
KAUST Department:
KAUST Catalysis Center (KCC)
Citation:
Barman S, Maity N, Bhatte K, Ould-Chikh S, Dachwald O, et al. (2016) Single-Site VO x Moieties Generated on Silica by Surface Organometallic Chemistry: A Way To Enhance the Catalytic Activity in the Oxidative Dehydrogenation of Propane . ACS Catalysis 6: 5908–5921. Available: http://dx.doi.org/10.1021/acscatal.6b01263.
Publisher:
American Chemical Society (ACS)
Journal:
ACS Catalysis
Issue Date:
26-Jul-2016
DOI:
10.1021/acscatal.6b01263
Type:
Article
ISSN:
2155-5435; 2155-5435
Sponsors:
The research was supported by the King Abdullah University of Science and Technology (KAUST). O.D. would like to thank KAUST ORS for research support.
Appears in Collections:
Articles; KAUST Catalysis Center (KCC)

Full metadata record

DC FieldValue Language
dc.contributor.authorBarman, Samiren
dc.contributor.authorMaity, Niladrien
dc.contributor.authorBhatte, Kushalen
dc.contributor.authorOuld-Chikh, Samyen
dc.contributor.authorDachwald, Oliveren
dc.contributor.authorHaeßner, Carmenen
dc.contributor.authorSaih, Youssefen
dc.contributor.authorAbou-Hamad, Edyen
dc.contributor.authorLlorens, Isabelleen
dc.contributor.authorHazemann, Jean-Louisen
dc.contributor.authorKöhler, Klausen
dc.contributor.authorD’ Elia, Valerioen
dc.contributor.authorBasset, Jean-Marieen
dc.date.accessioned2016-11-03T13:22:33Z-
dc.date.available2016-11-03T13:22:33Z-
dc.date.issued2016-07-26en
dc.identifier.citationBarman S, Maity N, Bhatte K, Ould-Chikh S, Dachwald O, et al. (2016) Single-Site VO x Moieties Generated on Silica by Surface Organometallic Chemistry: A Way To Enhance the Catalytic Activity in the Oxidative Dehydrogenation of Propane . ACS Catalysis 6: 5908–5921. Available: http://dx.doi.org/10.1021/acscatal.6b01263.en
dc.identifier.issn2155-5435en
dc.identifier.issn2155-5435en
dc.identifier.doi10.1021/acscatal.6b01263en
dc.identifier.urihttp://hdl.handle.net/10754/621677-
dc.description.abstractWe report here an accurate surface organometallic chemistry (SOMC) approach to propane oxidative dehydrogenation (ODH) using a μ2-oxo-bridged, bimetallic [V2O4(acac)2] (1) (acac = acetylacetonate anion) complex as a precursor. The identity and the nuclearity of the product of grafting and of the subsequent oxidative treatment have been systematically studied by means of FT-IR, Raman, solid-state (SS) NMR, UV-vis DRS, EPR and EXAFS spectroscopies. We show that the grafting of 1 on the silica surface under a rigorous SOMC protocol and the subsequent oxidative thermal treatment lead exclusively to well-defined and isolated monovanadate species. The resulting material has been tested for the oxidative dehydrogenation of propane in a moderate temperature range (400-525 °C) and compared with that of silica-supported vanadium catalysts prepared by the standard impregnation technique. The experimental results show that the catalytic activity in propane ODH is strongly upgraded by the degree of isolation of the VOx species that can be achieved by employing the SOMC protocol. © 2016 American Chemical Society.en
dc.description.sponsorshipThe research was supported by the King Abdullah University of Science and Technology (KAUST). O.D. would like to thank KAUST ORS for research support.en
dc.publisherAmerican Chemical Society (ACS)en
dc.subjectolefinsen
dc.subjectoxidative dehydrogenationen
dc.subjectpropylene productionen
dc.subjectsilica-supported vanadium catalystsen
dc.subjectsingle-site catalysisen
dc.subjectsurface organometallic chemistryen
dc.titleSingle-Site VO x Moieties Generated on Silica by Surface Organometallic Chemistry: A Way To Enhance the Catalytic Activity in the Oxidative Dehydrogenation of Propaneen
dc.typeArticleen
dc.contributor.departmentKAUST Catalysis Center (KCC)en
dc.identifier.journalACS Catalysisen
dc.contributor.institutionDepartments of Chemistry and Inorganic Chemistry, Technical University of Munich, Lichtenbergstrasse 4, Garching, Germanyen
dc.contributor.institutionCatalysis Research Center, Technical University of Munich, Ernst-Otto-Fischer-Strasse 1, Garching, Germanyen
dc.contributor.institutionInstitut de Recherches sur la Catalyse et l'Environnement de Lyon IRCELYON, UMR 5256, CNRS, Université Lyon 1, 2 Avenue Albert Einstein, Cedex Villeurbanne, Franceen
dc.contributor.institutionInstitut Neel, CNRS, 25 Avenue des Martyrs, Cedex 9 Grenoble, Franceen
dc.contributor.institutionDepartment of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Wangchan, Rayong, Thailanden
kaust.authorBarman, Samiren
kaust.authorMaity, Niladrien
kaust.authorBhatte, Kushalen
kaust.authorOuld-Chikh, Samyen
kaust.authorSaih, Youssefen
kaust.authorAbou-Hamad, Edyen
kaust.authorD’ Elia, Valerioen
kaust.authorBasset, Jean-Marieen
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