Colloids for Catalysts: A Concept for the Preparation of Superior Catalysts of Industrial Relevance

Jonathan Quinson*, Sara Neumann, Tanja Wannmacher, Laura Kacenauskaite, Masanori Inaba, Jan Bucher, Francesco Bizzotto, Søren B. Simonsen, Luise Theil Kuhn, Dajana Bujak, Alessandro Zana, Matthias Arenz, Sebastian Kunz

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Compared to conventional preparation methods for supported heterogeneous catalysts, the use of colloidal nanoparticles (NPs) allows for a precise control over size, size distribution, and distribution/location of the NPs on the support. However, common colloidal syntheses have restrictions that limit their applicability for industrial catalyst preparation. We present a simple, surfactant‐free, and scalable preparation method for colloidal NPs to overcome these restrictions. We demonstrate how precious‐metal NPs are prepared in alkaline methanol, how the particle size can be tuned, and how supported catalysts are obtained. The potential of these colloids in the preparation of improved catalysts is demonstrated by two examples from heterogeneous catalysis and electrocatalysis.
Original languageEnglish
JournalAngewandte Chemie International Edition
Volume57
Issue number38
Pages (from-to)12338-12341
Number of pages4
ISSN1433-7851
DOIs
Publication statusPublished - 2018

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