Direct Dry Synthesis of Supported Bimetallic Catalysts: A Study on Comminution 
and Alloying of Metal Nanoparticles

De Bellis, Jacopo; Petersen, Hilke; Ternieden, Jan; Pfänder, Norbert; Weidenthaler, Claudia; Schüth, Ferdi

doi:10.1002/anie.202208016

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Direct Dry Synthesis of Supported Bimetallic Catalysts: A Study on Comminution and Alloying of Metal Nanoparticles

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Pfänder, Norbert
Research Department Schlögl, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

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Citation

De Bellis, J., Petersen, H., Ternieden, J., Pfänder, N., Weidenthaler, C., & Schüth, F. (2022). Direct Dry Synthesis of Supported Bimetallic Catalysts: A Study on Comminution and Alloying of Metal Nanoparticles. Angewandte Chemie, International Edition in English, (61): e202208016, pp. 1-8. doi:10.1002/anie.202208016.

Cite as: https://hdl.handle.net/21.11116/0000-000C-46E7-1

Abstract

Ball milling is growing increasingly important as an alternative synthetic tool to prepare catalytic materials. It was recently observed that supported metal catalysts could be directly obtained upon ball milling from the coarse powders of metal and oxide support. Moreover, when two compatible metal sources are simultaneously subjected to the mechanochemical treatment, bimetallic nanoparticles are obtained. A systematic investigation was extended to different metals and supports to understand better the mechanisms involved in the comminution and alloying of metal nanoparticles. Based on this, a model describing the role of metal-support interactions in the synthesis was developed. The findings will be helpful for the future rational design of supported metal catalysts via dry ball milling.