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Ruthenium Nanoparticles Stabilized with Methoxy-Functionalized Ionic Liquids:Synthesis and Structure–Performance Relations in Styrene Hydrogenation

descriptionPublicationkeyboard_double_arrow_right Article 25 Apr 2023 Denmark, France, France Publisher:MDPI AGJournal:Nanomaterials, volume 13, page 1,459 (eissn: 2079-4991,

Authors: Deepthy Krishnan; Leonhard Schill; M. Rosa Axet; Karine Philippot; Anders Riisager;

doi: 10.3390/nano13091459

pmid: 37177006

pmc: PMC10180216

Ruthenium Nanoparticles Stabilized with Methoxy-Functionalized Ionic Liquids:Synthesis and Structure–Performance Relations in Styrene Hydrogenation

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Abstract

A series of ruthenium nanoparticles (RuNPs) were synthesized by the organometallic approach in different functionalized imidazolium ionic liquids (FILs). Transmission electron microscopy (TEM) showed well-dispersed and narrow-sized RuNPs ranging from 1.3 to 2.2 nm, depending on the IL functionalization. Thermal gravimetric analysis (TGA) and X-ray photoelectron spectroscopy (XPS) allowed the interaction between the RuNPs and the ILs to be studied. The RuNPs stabilized by methoxy-based FILs (MEM and MME) displayed a good balance between catalytic activity and stability when evaluated in the hydrogenation of styrene (S) under mild reaction conditions. Moreover, the catalysts showed total selectivity towards ethylbenzene (EB) under milder reaction conditions (5 bar, 30 °C) than reported in the literature for other RuNP catalysts.

Countries

Denmark, France, France

Related Organizations

French National Centre for Scientific Research
France
University of Toulouse
France
Laboratoire Parole et Langage
France
UNIVERSITE PARIS DESCARTES
France
Technical University of Denmark
Denmark

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Keywords

metal nanoparticle, catalysis, [CHIM.ORGA]Chemical Sciences/Organic chemistry, [CHIM.CATA]Chemical Sciences/Catalysis, functionalized ionic liquid, Functionalized ionic liquid, Catalysis, Ruthenium, Article, Chemistry, functionalized ionic liquid; metal nanoparticle; ruthenium; catalysis; hydrogenation; styrene, styrene, Hydrogenation, hydrogenation, ruthenium, QD1-999, Metal nanoparticle, Styrene

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