Ni@Fe2O3 heterodimers: controlled synthesis and magnetically recyclable catalytic application for dehalogenation reactions

Bahar Nakhjavan; Muhammad Nawaz Tahir; Filipe Natalio; Martin Panthöfer; Haitao Gao; Michael Dietzsch; Rute Andre; Teuta Gasi; Vadim Ksenofontov; Robert Branscheid; Ute Kolb; Wolfgang Tremel

doi:10.1039/C2NR12121B

Ni@Fe₂O₃ heterodimers: controlled synthesis and magnetically recyclable catalytic application for dehalogenation reactions†

Bahar Nakhjavan,^a Muhammad Nawaz Tahir,^a Filipe Natalio,^a Martin Panthöfer,^a Haitao Gao,^a Michael Dietzsch,^a Rute Andre,^a Teuta Gasi,^a Vadim Ksenofontov,^a Robert Branscheid,^b Ute Kolb^b and Wolfgang Tremel*^a

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^a Institut für Anorganische Chemie und Analytische Chemie, Johannes Gutenberg-Universität, Duesbergweg 10-14, D-55099 Mainz, Germany
E-mail: tremel@uni-mainz.de
Fax: +49 6131 39-25605
Tel: +49 6131 39-25135

^b Institut für Physikalische Chemie, Johannes Gutenberg-Universität, Welderweg 11, 550999 Mainz, Germany

Abstract

Ni@Fe₂O₃ heterodimer nanoparticles (NPs) were synthesized by thermal decomposition of organometallic reactants. After functionalization, these Ni@Fe₂O₃ heterodimers became water soluble. The pristine heterodimeric NPs were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), Mössbauer spectroscopy and magnetic susceptibility measurements. A special advantage of the heterodimers lies in the fact that nanodomains of different composition can be used as catalysts for the removal of environmentally hazardous halogenated pollutants.

Nanoscale

Ni@Fe₂O₃ heterodimers: controlled synthesis and magnetically recyclable catalytic application for dehalogenation reactions†

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Ni@Fe₂O₃ heterodimers: controlled synthesis and magnetically recyclable catalytic application for dehalogenation reactions

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