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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Kočí, Jan | Prague |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Horiuchi, Yu
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article
Fe3O4@HKUST-1 and Pd/Fe3O4@HKUST-1 as magnetically recyclable catalysts prepared via conversion from a Cu-based ceramic
Abstract
<p>Nanocomposites obtained by integrating iron oxide magnetic nanoparticles (Fe<sub>3</sub>O<sub>4</sub>) into a metal-organic framework (HKUST-1 or Cu<sub>3</sub>(BTC)<sub>2</sub>, BTC = 1,3,5-benzenetricarboxylate) are synthesized through conversion from a composite of a Cu-based ceramic material and Fe<sub>3</sub>O<sub>4</sub>. In situ small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS) measurements reveal that the presence of Fe<sub>3</sub>O<sub>4</sub> leads to the fast conversion and synthesis of HKUST-1 with small particle sizes. The prepared MOF composite (Fe<sub>3</sub>O<sub>4</sub>@HKUST-1) is found to catalyze the one-pot sequential deacetalization-Knoevenagel condensation reaction as a magnetically collectable and recyclable catalyst. In addition, Pd nanoparticles are also incorporated into the material (Pd/Fe<sub>3</sub>O<sub>4</sub>@HKUST-1) by addition of a Pd colloidal solution during the conversion of the precursor composite to HKUST-1. The resulting Pd/Fe<sub>3</sub>O<sub>4</sub>@HKUST-1 can be utilized for hydrogenation of 1-octene in the liquid phase.</p>