Rh NPs Immobilized on Phosphonium-based Supported Ionic Liquid Phases (Rh@SILPs) as Hydrogenation Catalysts
CHIMIA International Journal for Chemistry, vol. 75, pp. 724
Abstract
A series of phosphonium-based supported ionic liquid phases (SILPs) was prepared for the immobilization of Rh nanoparticles (Rh@SILP). The influence of systematic variations in the structure of the ionic liquid-type molecular modifiers (anion, P-alkyl chain length) on the formation and catalytic properties of Rh nanoparticles (NPs) was investigated. Both the nature of the anion and the length of the P-alkyl chain were found to have a strong impact on the morphology of the NPs, ranging from small (1.2 - 1.7 nm) and well-dispersed NPs to the formation of large NPs (9.9 -16.5 nm) and/or aggregates. The catalytic properties of the resulting Rh@SILP materials were explored using the hydrogenation of benzylideneacetone and biomass-derived furfuralacetone as model reactions. The changes in ring and C=O hydrogenation activity as a function of the SILP structure and the Rh NPs size allowed for the selective synthesis of products with distinct molecular functionalities.
Authors 5
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Max Planck Society · Max Planck Institute for Chemical Energy Conversion · RWTH Aachen University
Affiliation as printed
Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an der Ruhr, Germany; Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
Max Planck Institute for Chemical Energy Converison
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Max Planck Society · Max Planck Institute for Chemical Energy Conversion · RWTH Aachen University
Affiliation as printed
Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an der Ruhr, Germany; Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
Max Planck Institute for Chemical Energy Converison
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Affiliation as printed
Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an der Ruhr, Germany;, Email: alexis.bordet@cec.mpg.de
Max Planck Institute for Chemical Energy Conversion
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Max Planck Society · Max Planck Institute for Chemical Energy Conversion · RWTH Aachen University
Affiliation as printed
Max Planck Institute for Chemical Energy Conversion, Stiftstr. 34-36, 45470 Mülheim an der Ruhr, Germany; Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany;, Email: walter.leitner@cec.mpg.de
Max Planck Institute for Chemical Energy Converison
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