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Unravelling structure sensitivity in CO2 hydrogenation over nickel

Vogt, Charlotte, Groeneveld, Esther, Kamsma, Gerda, Nachtegaal, Maarten, Lu, Li, Kiely, Christopher J. ORCID:, Berben, Peter H., Meirer, Florian and Weckhuysen, Bert M. 2018. Unravelling structure sensitivity in CO2 hydrogenation over nickel. Nature Catalysis 1 , pp. 127-134. 10.1038/s41929-017-0016-y

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Continuous efforts in the field of materials science have allowed us to generate smaller and smaller metal nanoparticles, creating new opportunities to understand catalytic properties that depend on the metal particle size. Structure sensitivity is the phenomenon where not all surface atoms in a supported metal catalyst have the same activity. Understanding structure sensitivity can assist in the rational design of catalysts, allowing control over mechanisms, activity and selectivity, and thus even the viability of a catalytic reaction. Here, using a unique set of well-defined silica-supported Ni nanoclusters (1–7 nm) and advanced characterization methods, we prove how structure sensitivity influences the mechanism of catalytic CO2 reduction, the nature of which has been long debated. These findings bring fundamental new understanding of CO2 hydrogenation over Ni and allow us to control both activity and selectivity, which can be a means for CO2 emission abatement through its valorization as a low- or even negative-cost feedstock on a low-cost transition-metal catalyst.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Nature Research
ISSN: 2520-1158
Date of First Compliant Deposit: 15 October 2019
Date of Acceptance: 23 November 2017
Last Modified: 03 Mar 2024 18:00

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