Quantification and Tuning of Surface Oxygen Vacancies for the Hydrogenation of CO2 on Indium Oxide Catalysts

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dc.contributor.authorBaumgarten, Robert
dc.contributor.authorNaumann d’Alnoncourt, Raoul
dc.contributor.authorLohr, Stephen
dc.contributor.authorGioria, Esteban
dc.contributor.authorFrei, Elias
dc.contributor.authorFako, Edvin
dc.contributor.authorDe, Sandip
dc.contributor.authorBoscagli, Chiara
dc.contributor.authorDrieß, Matthias
dc.contributor.authorSchunk, Stephan
dc.contributor.authorRosowski, Frank
dc.date.accessioned2022-11-09T13:49:04Z
dc.date.available2022-11-09T13:49:04Z
dc.date.issued2022-09-14
dc.description.abstractThe direct hydrogenation of CO2 to methanol is an attractive approach to employ the greenhouse gas as a chemical feedstock. However, the commercial copper catalyst, used for methanol synthesis from CO-rich syngas, suffers from deactivation at elevated CO2 partial pressure. An emerging alternative is represented by In2O3 as it withstands the hydrothermal conditions induced by the reverse water-gas shift reaction. The active sites for the adsorption of CO2 and the subsequent conversion into methanol were shown to be oxygen vacancies on the surface of In2O3. In this study, N2O was utilized as a probe molecule to quantify the number of vacancies on indium oxide catalysts. The number of inserted oxygen atoms could be correlated to the respective CO2 hydrogenation activity. Furthermore, the atomic efficiency of indium was enhanced by applying atomic layer deposition of indium oxide on ZrO2.en
dc.description.sponsorshipDFG, 390540038, EXC 2008: Unifying Systems in Catalysis "UniSysCat"
dc.description.sponsorshipTU Berlin, Open-Access-Mittel – 2022
dc.identifier.eissn1522-2640
dc.identifier.issn0009-286X
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/17646
dc.identifier.urihttps://doi.org/10.14279/depositonce-16430
dc.language.isoen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc540 Chemie und zugeordnete Wissenschaftende
dc.subject.otherCO2en
dc.subject.otherhydrogenationen
dc.subject.otherindium oxideen
dc.subject.othermethanolen
dc.subject.otherN2O reactive frontal chromatographyen
dc.titleQuantification and Tuning of Surface Oxygen Vacancies for the Hydrogenation of CO2 on Indium Oxide Catalystsen
dc.typeArticle
dc.type.versionpublishedVersion
dcterms.bibliographicCitation.doi10.1002/cite.202200085
dcterms.bibliographicCitation.issue11
dcterms.bibliographicCitation.journaltitleChemie - Ingenieur - Technik
dcterms.bibliographicCitation.originalpublishernameWiley
dcterms.bibliographicCitation.originalpublisherplaceNew York, NY
dcterms.bibliographicCitation.pageend1775
dcterms.bibliographicCitation.pagestart1765
dcterms.bibliographicCitation.volume94
tub.accessrights.dnbfree
tub.affiliationFak. 2 Mathematik und Naturwissenschaften::Inst. Chemie::FG Metallorganische Chemie und Anorganische Materialien
tub.publisher.universityorinstitutionTechnische Universität Berlin

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