Formation and Functioning of Bimetallic Nanocatalysts: The Power of X‐ray Probes

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Abstract
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.
Funding Information
  • H2020 Marie Skłodowska-Curie Actions (748563)
  • Norges Forskningsråd (272266)
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek (Gravitation Program MCEC (Multiscale Catalytic Energy Conversion))
  • Fonds Wetenschappelijk Onderzoek (FWO postdoctoral fellowship, G.0209.11, Long Term Structural Methusalem Funding by the Flemish Government')
  • FP7 Ideas: European Research Council (FP7/2007-2013, No. 312284 (CALIPSO))

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