Synthesis, Functionalized and Characterization of Magnetic Fe3O4 Nanoparticles Protected with MCM-41 Mesoporous

Ardeshir Shokrollahi*, Salimeh Abbasi, Shaghayegh Mohammadpour Shirazi

Department of Chemistry, Yasouj University, Yasouj 75918-74831, Iran

Adv. Mater. Lett., 2020, 11 (8), 20081550

DOI: 10.5185/amlett.2020.081550

Publication Date (Web): Jul 16, 2020



In this article the synthesis of Fe3O4@MCM-41@NH-2,6-pydc as good adsorbent with potential of many applications, by coprecipitation method, was reported. For this purpose, Fe3O4 was synthesized, then protected with MCM-41 as a shell. Afterward, Fe3O4@MCM-41 functionalized by 2,6-pyridine dicarboxylic acid (pydc) after modifying by 3-aminopropyl trimethoxysilane (APTMS). This adsorbent characterized by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray (EDX), scanning electron microscope (SEM), Brunauer–Emmett–Teller (BET), differential thermal analysis (DTA), thermogravimetric analyses (TGA) and derivative thermogravimetric (DTG). The vibrating sample magnetometer (VSM) has been used to investigate its magnetic properties.


Fe3O4@MCM-41@NH-2,6-pydc, APTMS, Modification.

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