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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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 Creators:
Schreyer, Hannah1, Author           
Eckert, Rene1, Author           
Immohr, Sarah1, Author           
de Bellis, Jacopo1, Author           
Felderhoff, Michael2, Author           
Schüth, Ferdi1, Author           
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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Free keywords: ball milling; catalysis; CO oxidation; mechanochemistry; supported catalysts
 Abstract: 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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Language(s): eng - English
 Dates: 2019-03-222019-06-112019-08-12
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.201903545
 Degree: -

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Title: Angewandte Chemie International Edition
  Other : Angewandte Chemie, International Edition
  Other : Angew. Chem. Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 58 (33) Sequence Number: - Start / End Page: 11262 - 11265 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851