Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

CO dissociation on Pt-Sn nanoparticles triggers Sn oxidation and alloy segregation

Alina Moscu, Christina Theodoridi, Luis Cardenas, Chloé Thieuleux, Débora Motta Meira, Giovanni Agostini, Yves Schuurman, Frédéric Meunier

Journal of Catalysis · 2018

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Summary

This laboratory investigation examined CO dissociation mechanisms on bimetallic Pt-Sn nanoparticles, revealing that CO dissociation triggers tin oxidation and promotes surface segregation of alloy components. The work contributes to fundamental understanding of how reactive molecules interact with supported nanoparticle catalysts at the materials chemistry level. The findings are primarily relevant to catalysis and materials science rather than agricultural or food systems research.

UK applicability

This materials chemistry study has no direct applicability to UK agricultural practice, food production, or soil health. Its potential relevance is limited to industrial catalytic process optimisation in chemical manufacturing sectors.

Key measures

CO dissociation rates, tin oxidation state, alloy surface segregation patterns characterised via spectroscopy and microscopy

Outcomes reported

The study characterised CO dissociation behaviour on bimetallic Pt-Sn nanoparticles and demonstrated that CO dissociation triggers tin oxidation and induces surface segregation of alloy components. Mechanistic understanding of reactive molecule interactions with supported nanoparticle catalysts was advanced through combined spectroscopic and analytical techniques.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory study
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1016/j.jcat.2017.12.035
Catalogue ID
BFmobghr9o-qc0oty

Topic tags

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