Bimetallic FexPt100–x Nanoparticles Immobilized on Supported Ionic Liquid 
Phases as Hydrogenation and Hydrodeoxygenation Catalysts: Influence of the 
Metal Content on Activity and Selectivity

Marchenko, Nataliia; Lacroix, Lise-Marie; Ratel-Ramond, Nicolas; Leitner, Walter; Bordet, Alexis; Tricard, Simon

doi:10.1021/acsanm.3c03996

Item

ITEM ACTIONSEXPORT

Add to Basket

Local TagsRelease HistoryDetailsSummary

Released

Journal Article

Bimetallic FexPt100–x Nanoparticles Immobilized on Supported Ionic Liquid Phases as Hydrogenation and Hydrodeoxygenation Catalysts: Influence of the Metal Content on Activity and Selectivity

MPS-Authors

/persons/resource/persons58749

Leitner, Walter
Research Department Leitner, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

/persons/resource/persons237767

Bordet, Alexis
Research Department Leitner, Max Planck Institute for Chemical Energy Conversion, Max Planck Society;

External Resource

No external resources are shared

Fulltext (restricted access)

There are currently no full texts shared for your IP range.

Fulltext (public)

There are no public fulltexts stored in PuRe

Supplementary Material (public)

There is no public supplementary material available

Citation

Marchenko, N., Lacroix, L.-M., Ratel-Ramond, N., Leitner, W., Bordet, A., & Tricard, S. (2023). Bimetallic FexPt100–x Nanoparticles Immobilized on Supported Ionic Liquid Phases as Hydrogenation and Hydrodeoxygenation Catalysts: Influence of the Metal Content on Activity and Selectivity. ACS APPLIED NANO MATERIALS, 6(21), 20231-20239. doi:10.1021/acsanm.3c03996.

Cite as: https://hdl.handle.net/21.11116/0000-000D-FCCD-1

Abstract

Iron-platinum nanoparticles of tunable Fe/Pt ratios were immobilized on an imidazolium-based supported ionic liquid phase (SILP). The resulting FexPt100-x @SILP materials were characterized and applied in catalysis. Electron microscopy confirmed the formation of small, well-dispersed, bimetallic nanoparticles in all the investigated materials. Magnetometry measurements evidenced a clear influence of the Fe/Pt ratio on the oxidation state of Fe in FexPt100-x @SILP. In particular, Fe appeared in the metallic state at x <= 40, whereas partial oxidation was observed at x >= 60. The catalytic properties of FexPt100-x @SILP materials were probed using the reduction of benzylic ketones with H-2 as a model reaction. The Fe/Pt ratio of the nanoparticles was found to have a critical influence on the observed activity and selectivity, with clear synergistic effects. In particular, by diluting Pt with Fe sites, the ability of FexPt100-x @SILP catalysts to hydrogenate 6-membered aromatic rings was shut down for x >= 40, while C=O hydrogenation activity was preserved. In addition, Fe40Pt60@SILP showed excellent hydrodeoxygenation activity and selectivity with acetophenone derivatives in the absence of acid additives. This remarkable reactivity, out of reach for monometallic Pt@SILP, is attributed to the enhanced oxophilicity of Fe in FePt catalysts favoring C=O activation and cleavage.