Catalytic hot-spots in CO oxidation resolved by operando electron microscopy

Christian Fink Elkjær; Sebastian Pirel Fredsgaard Jespersen; Søren B. Vendelbo; Patricia J. Kooyman; Christian Danvad Damsgaard; Ib Chorkendorff; Stig Helveg

doi:10.1039/d6fd00011h

January 1, 2026Faraday Discussions

Catalytic hot-spots in CO oxidation resolved by operando electron microscopy

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Key Points

To explore the collective behavior of densely packed nanoparticles during catalytic reactions.
Operando electron microscopy was employed to analyze nanoparticle ensembles.
The study focused on CO oxidation reactions.
Densely packed nanoparticles were investigated for their interaction dynamics.
Identified catalytic hot-spots influencing CO oxidation.
Revealed how collective behavior affects reaction outcomes in nanoparticle ensembles.
Highlighted the significance of nanoparticle interactions in catalytic efficiency.

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Implication

Operando electron microscopy reveals collective behavior in nanoparticle ensembles affecting catalytic oxidation.

Abstract

Catalytic reactions over nanoparticle ensembles are often interpreted by intrinsic nanoparticle descriptors. However, the collective behavior that emerges as nanoparticles are densely packed remains rarely addressed. Here, we use operando...

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Cite This Study

Elkjær et al. (2026) studied this question.

synapsesocial.com/papers/69b4b9eb18185d8a39802275 https://doi.org/10.1039/d6fd00011h

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Catalytic hot-spots in CO oxidation resolved by operando electron microscopy

Key Points

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Implication

Abstract

Discussion

Cite This Study

Catalytic hot-spots in CO oxidation resolved by operando electron microscopy

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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