NDLI: Highly Active Ruthenium Catalyst Supported on Magnetically Separable Mesoporous Organosilica Nanoparticles

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Highly Active Ruthenium Catalyst Supported on Magnetically Separable Mesoporous Organosilica Nanoparticles

Content Provider	MDPI
Author	Omar, Suheir Abu-Reziq, Raed
Copyright Year	2020
Description	A facile and direct method for synthesizing magnetic periodic mesoporous organosilica nanoparticles from pure organosilane precursors is described. Magnetic ethylene- and phenylene-bridged periodic mesoporous organosilica nanoparticles (PMO NPs) were prepared by nanoemulsification techniques. For fabricating magnetic ethylene- or phenylene-bridged PMO NPs, hydrophobic magnetic nanoparticles in an oil-in-water (o/w) emulsion were prepared, followed by a sol–gel condensation of the incorporated bridged organosilane precursor (1,2 bis(triethoxysilyl)ethane or 1,4 bis(triethoxysilyl)benzene), respectively. The resulting materials were characterized using high-resolution scanning electron microscopy (HR-SEM), high-resolution transmission electron microscopy (HR-TEM), energy-dispersive X-ray (EDX) spectroscopy, powder X-ray diffraction (XRD), solid-state NMR analysis, and nitrogen sorption analysis (N2-BET). The magnetic ethylene-bridged PMO NPs were successfully loaded using a ruthenium oxide catalyst by means of sonication and evaporation under mild conditions. The obtained catalytic system, termed Ru@M-Ethylene-PMO NPS, was applied in a reduction reaction of aromatic compounds. It exhibited very high catalytic behavior with easy separation from the reaction medium by applying an external magnetic field.
Starting Page	5769
e-ISSN	20763417
DOI	10.3390/app10175769
Journal	Applied Sciences
Issue Number	17
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2020-08-20
Access Restriction	Open
Subject Keyword	Applied Sciences Inorganic Chemistry Periodic Mesoporous Organosilica Nanoparticles Magnetic Nanoparticles Ruthenium Nanoparticles Catalysis Hydrogenation of Aromatic Compounds
Content Type	Text
Resource Type	Article

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