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  Milling Down to Nanometers: A General Process for the Direct Dry Synthesis of Supported Metal Catalysts

Schreyer, H., Eckert, R., Immohr, S., de Bellis, J., Felderhoff, M., & Schüth, F. (2019). Milling Down to Nanometers: A General Process for the Direct Dry Synthesis of Supported Metal Catalysts. Angewandte Chemie International Edition, 58(33), 11262-11265. doi:10.1002/anie.201903545.

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 Urheber:
Schreyer, Hannah1, Autor           
Eckert, Rene1, Autor           
Immohr, Sarah1, Autor           
de Bellis, Jacopo1, Autor           
Felderhoff, Michael2, Autor           
Schüth, Ferdi1, Autor           
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Research Group Felderhoff, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_3027887              

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Schlagwörter: ball milling; catalysis; CO oxidation; mechanochemistry; supported catalysts
 Zusammenfassung: Supported catalysts are among the most important classes of catalysts. They are typically prepared by wet‐chemical methods, such as impregnation or co‐precipitation. Here we disclose that dry ball milling of macroscopic metal powder in the presence of a support oxide leads in many cases to supported catalysts with particles in the nanometer size range. Various supports, including TiO2, Al2O3, Fe2O3, and Co3O4, and different metals, such as Au, Pt, Ag, Cu, and Ni, were studied, and for each of the supports and the metals, highly dispersed nanoparticles on supports could be prepared. The supported catalysts were tested in CO oxidation, where they showed activities in the same range as conventionally prepared catalysts. The method thus provides a simple and cost‐effective alternative to the conventionally used impregnation methods.

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Sprache(n): eng - English
 Datum: 2019-03-222019-06-112019-08-12
 Publikationsstatus: Erschienen
 Seiten: 4
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/anie.201903545
 Art des Abschluß: -

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Titel: Angewandte Chemie International Edition
  Andere : Angewandte Chemie, International Edition
  Andere : Angew. Chem. Int. Ed.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Weinheim : Wiley-VCH
Seiten: - Band / Heft: 58 (33) Artikelnummer: - Start- / Endseite: 11262 - 11265 Identifikator: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851