Fe3O4@HKUST-1 and Pd/Fe3O4@HKUST-1 as magnetically recyclable catalysts prepared via conversion from a Cu-based ceramic

Takashi Toyao; Mark J. Styles; Tokuichiro Yago; Muhammad M. Sadiq; Raffaele Riccò; Kiyonori Suzuki; Yu Horiuchi; Masahide Takahashi; Masaya Matsuoka; Paolo Falcaro

doi:10.1039/C7CE00390K

Fe₃O₄@HKUST-1 and Pd/Fe₃O₄@HKUST-1 as magnetically recyclable catalysts prepared via conversion from a Cu-based ceramic†

Takashi Toyao,

^ab Mark J. Styles,^c Tokuichiro Yago,^a Muhammad M. Sadiq,

^d Raffaele Riccò,

^ce Kiyonori Suzuki,^d Yu Horiuchi,^a Masahide Takahashi,

^a Masaya Matsuoka*^a and Paolo Falcaro

*^ce

Author affiliations

* Corresponding authors

^a Division of Materials Science & Engineering, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
E-mail: matsumac@chem.osakafu-u.ac.jp

^b Institute for Catalysis, Hokkaido University, N-21, W-10, Sapporo 001-0021, Japan

^c CSIRO Manufacturing, Private Bag 10, Clayton South, Victoria 3169, Australia
E-mail: paolo.falcaro@tugraz.at

^d Department of Materials Science and Engineering, Monash University, Clayton, Victoria, Australia

^e Graz University of Technology, Institute of Physical and Theoretical Chemistry, Stremayrgasse 9/Z2, 8010 Graz, Austria

Abstract

Nanocomposites obtained by integrating iron oxide magnetic nanoparticles (Fe₃O₄) into a metal–organic framework (HKUST-1 or Cu₃(BTC)₂, BTC = 1,3,5-benzenetricarboxylate) are synthesized through conversion from a composite of a Cu-based ceramic material and Fe₃O₄. In situ small-angle X-ray scattering (SAXS) and wide-angle X-ray scattering (WAXS) measurements reveal that the presence of Fe₃O₄ leads to the fast conversion and synthesis of HKUST-1 with small particle sizes. The prepared MOF composite (Fe₃O₄@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/Fe₃O₄@HKUST-1) by addition of a Pd colloidal solution during the conversion of the precursor composite to HKUST-1. The resulting Pd/Fe₃O₄@HKUST-1 can be utilized for hydrogenation of 1-octene in the liquid phase.

This article is part of the themed collection: Metal-Organic Framework Catalysis

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Fe₃O₄@HKUST-1 and Pd/Fe₃O₄@HKUST-1 as magnetically recyclable catalysts prepared via conversion from a Cu-based ceramic†

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Fe₃O₄@HKUST-1 and Pd/Fe₃O₄@HKUST-1 as magnetically recyclable catalysts prepared via conversion from a Cu-based ceramic

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