期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 38, 页码 13220-13230出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201902859
关键词
bimetallic nanocatalysts; deactivation; catalyst formation; X-ray characterization
资金
- European Union [748563]
- Norwegian Research Council-NFR [272266]
- Gravitation Program MCEC (Multiscale Catalytic Energy Conversion) from the Netherlands Organisation for Scientific Research (NWO)
- FWO fellowship
- Fund for Scientific Research Flanders [G.0209.11]
- Flemish Government
- European Communitys Seventh Framework Programme (FP7/2007-2013) [312284]
- Marie Curie Actions (MSCA) [748563] Funding Source: Marie Curie Actions (MSCA)
Bimetallic nanocatalysts are key enablers of current chemical technologies, including car exhaust converters and fuel cells, and play a crucial role in industry to promote a wide range of chemical reactions. However, owing to significant characterization challenges, insights in the dynamic phenomena that shape and change the working state of the catalyst await further refinement. Herein, we discuss the atomic-scale processes leading to mono- and bimetallic nanoparticle formation and highlight the dynamics and kinetics of lifetime changes in bimetallic catalysts with showcase examples for Pt-based systems. We discuss how in situ and operando X-ray spectroscopy, scattering, and diffraction can be used as a complementary toolbox to interrogate the working principles of today's and tomorrow's bimetallic nanocatalysts.
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