Home > Publications database > Molecularly modified aluminum phosphates as support materials for Ru nanoparticles in selective hydrogenation > print

001     627900
005     20250723105914.0
024 7 _ |a 10.1016/j.jcat.2024.115911
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100 1 _ |a Fang, Wenting
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245 _ _ |a Molecularly modified aluminum phosphates as support materials for Ru nanoparticles in selective hydrogenation
260 _ _ |a Amsterdam [u.a.]
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520 _ _ |a Modified aluminum phosphate (APO-5) proved suitable as zeotype support for the preparation of imidazolium-based supported ionic liquid phase material, i.e. SILP(APO-5). The successful chemisorption of ionic liquid-like modifiers at the APO-5 surface was demonstrated by solid- state $^{31}$P and $^{13}$C nuclear magnetic resonance (NMR) spectroscopy. The immobilization of Ru nanoparticles (NPs) on SILP(APO-5) was achieved following an organometallic approach, producing well-dispersed Ru NPs with a mean average size of 1.4 nm on the support. The resulting Ru@SILP(APO-5) material was thoroughly characterized using multiple techniques, e.g., solid-state NMR, transmission electron microscopy (TEM), infrared (IR) spectroscopy, X-ray absorption spectroscopy (XAS), and applied as a catalyst for the hydrogenation of biomass-derived furfural acetone with molecular hydrogen. The ionic liquid-like layer was found beneficial for the stabilization of the Ru NPs as well as of the APO-5 material. A temperature-controlled selectivity switch between olefinic, carbonyl or furan ring hydrogenation could be achieved with this new material with the APO-5 facilitating activation of the olefinic bond, while the carbonyl bond was remarkably deactivated. The demonstrated suitability of aluminum phosphate materials to produce molecularly modified surfaces offers a new control parameter for the systematic design and optimization of zeotype-based catalysts.
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536 _ _ |a DFG project G:(GEPRIS)390919832 - EXC 2186: Das Fuel Science Center – Adaptive Umwandlungssysteme für erneuerbare Energie- und Kohlenstoffquellen (390919832)
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700 1 _ |a Zhang, Yuyan
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700 1 _ |a Kang, Liqun
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700 1 _ |a DeBeer, Serena
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700 1 _ |a Leitner, Walter
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700 1 _ |a Bordet, Alexis
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700 1 _ |a Riisager, Anders
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773 _ _ |a 10.1016/j.jcat.2024.115911
|g Vol. 442, p. 115911 -
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|t Journal of catalysis
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