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  Synthesis and characterization of catalysts based on ligand-stabilized clusters in corporated in mesoporous oxides

Junges, U., Schüth, F., Schmid, G., Uchida, Y., & Schlögl, R. (1997). Synthesis and characterization of catalysts based on ligand-stabilized clusters in corporated in mesoporous oxides. Berichte der Bunsen-Gesellschaft, 101(11), 1631-1634. doi:10.1002/bbpc.19971011113.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0008-E2B3-E Versions-Permalink: https://hdl.handle.net/21.11116/0000-0008-E2B4-D
Genre: Zeitschriftenartikel

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 Urheber:
Junges, U.1, Autor
Schüth, F.1, Autor
Schmid, G.2, Autor
Uchida, Yuji3, Autor           
Schlögl, Robert4, Autor           
Affiliations:
1Insitut für Anorganische Chemie, Johann Wolfgang Goethe-Universität, Marie Curie Straße 11, 60439 Frankfurt, Germany, ou_persistent22              
2Insitut für Anorganische Chemie, Universität Essen, Universitätsstraße 5-7, D-45117 Essen, Germany, ou_persistent22              
3Fritz Haber Institute, Max Planck Society, ou_24021              
4Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Zusammenfassung: MCM 41 was loaded with ligand-stabilized palladium clusters in the size range of 3-4 nm via different pathways. A mixture of seven- and eight-shell clusters (Pd7/8(phen)) was directly introduced into the mesoporous structure during the synthesis of MCM 41 as well by incipient wetness impregnation. The Samples were characterized by X-ray diffraction, N2-sorption, DTA and TEM. The clusters show different thermal stability depending on the synthesis pathway used. In situ incorporation leads to a decomposition of the Pd clusters after calcination at 873 K. However, the clusters that were introduced by incipient wetness impregnation are thermally stable up to 513 K in air. As a first catalytic test the oxidation of CO with synthetic air was used. Compared to catalysts prepared by conventional methods with appropriate palladium salts, the impregnated samples show high activity in the CO oxidation.

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Sprache(n): eng - English
 Datum: 1997-11
 Publikationsstatus: Erschienen
 Seiten: 4
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/bbpc.19971011113
 Art des Abschluß: -

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Titel: Berichte der Bunsen-Gesellschaft
  Andere : Berichte der Bunsen-Gesellschaft fuer Physikalische Chemie, 1963-1990
  Kurztitel : Ber. Bunsen-Ges.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Weinheim : Wiley-VCH Verlag GmbH & Co. KGaA
Seiten: 4 Band / Heft: 101 (11) Artikelnummer: - Start- / Endseite: 1631 - 1634 Identifikator: ISSN: 0940-483X
CoNE: https://pure.mpg.de/cone/journals/resource/954926938700_1