Journal of Alloys and Compounds p. 783 - 791 (2019)
Update date:2022-08-25
Topics:
Mirbagheri, Reza
Elhamifar, Dawood
In the present study a novel core-shell structured magnetic bifunctional organosilica was prepared through modification of Fe3O4 nanoparticles with a mixture of bis(triethoxysilyl) ethane (BTEE) and 3-aminopropyltrimethoxysilane (APTES) followed by treatment with 2-hydroxybenzaldehyde. This nanomaterial was applied as efficient support for immobilization of indium chloride. The prepared nanomaterial was denoted as Fe3O4@BOS@SB/In and characterized using Fourier transform infrared (FT-IR) spectroscopy, thermal gravimetric analysis (TGA), energy-dispersive X-ray (EDX) spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), vibrating sample magnetometer (VSM) and powder X-ray diffraction (PXRD). The Fe3O4@BOS@SB/In was successfully applied as a powerful catalyst for green reduction of nitrobenzenes in water at room temperature. This catalyst was recovered and reused several times without significant decrease in efficiency and stability.
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