Magnetic separation, sunlight-driven photocatalytic activity, and antibacterial studies of Sm-doped Co0.33Mg0.33Ni0.33Fe2O4 nanoparticles

Aridi, Amani; Rabaa, Mariam; Mezher, Malak; Naoufal, Daoud; Khalil, Mahmoud I.; Awad, Ramadan

doi:10.1007/s11356-024-33641-y

Environ Sci Pollut Res

2024

DOI: 10.1007/s11356-024-33641-y

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Magnetic separation, sunlight-driven photocatalytic activity, and antibacterial studies of Sm-doped Co0.33Mg0.33Ni0.33Fe2O4 nanoparticles

Amani Aridi,

Mariam Rabaa,

Malak Mezher

et al.

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2024

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Cited by 3 publications

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Synthesis, Characterization, and Adsorption Performance of (Mg_0.4Co_0.4Mn_0.2)Fe₂₋₂_xSm_xSn_xO₄ Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Moussa,

Aridi,

AlHajjar

et al. 2024

ChemistrySelect

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Water contamination by heavy metal ions poses a significant environmental threat. This study investigates (Mg0.4Co0.4Mn0.2)Fe2−2xSmxSnxO4 (0.000 ≤ x ≤ 0.050) ferrite nanoparticles (NPs) as eco‐friendly adsorbents for Cu(II), Cr(III), Fe(III), and Zn(II). X‐ray powder diffraction (XRD) confirmed sample purity, with crystallite size decreasing from 20.28 to 13.31 nm as x increased. Scanning and transmission electron microscopies revealed irregular morphology, whereas energy‐dispersive X‐ray showed successful dopant incorporation into the ferrite lattice. Brunauer–Emmett–Teller analysis indicated a surface area increase from 76.5 to 91.4 m2/g with doping. X‐ray photoelectron spectroscopy identified oxidation states, and Fourier transform infrared spectroscopy confirmed the spinel structure. Doping also increased the direct bandgap energy from 3.224 to 3.245 eV and decreased Urbach energy from 0.374 to 0.352 eV. The NPs achieved high removal efficiencies for Cr(III) at 93.3%, Fe(III) at 98.8%, and Zn(II) at 80.6%, though removal of Cu(II) was minimal. The optimal adsorption performance was observed at x = 0.050. Adsorption followed second‐order kinetics and fit the Langmuir isotherm.

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Synthesis, Characterization, and Adsorption Performance of (Mg_0.4Co_0.4Mn_0.2)Fe₂₋₂_xSm_xSn_xO₄ Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Moussa,

Aridi,

AlHajjar

et al. 2024

ChemistrySelect

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Removal of radioactive Co(II) and Sr(II) using (Co0.5Zn0.5)Fe2O4 nanoparticles co-doped with barium and antimony

Rmeid,

Aridi,

Habanjar

et al. 2024

Ceramics International

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Structural, optical, magnetic, and photocatalytic analysis of exclusive metal aluminates against Congo Red dye under UV light

Ahlawat,

Goswami,

Jangra

et al. 2024

Phys. Scr.

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The exclusive ZnAl2O4 (ZAO), CaAl2O4 (CAO), and MgAl2O4 (MAO) nanocrystallites were prepared by the citrate sol-gel route and further annealed at 600°C for 2h. XRD and Rietveld refinement were conducted to explore the crystal structure and to optimize the profile parameters. FTIR confirmed the vibrational peaks of relevant functional groups. The additional stretching and bending IR modes in MAO sample emphasized structural disorders like antisites/native defects. The UV-DRS spectra of these samples analyzed the direct bandgap in 2.76-4.29 eV range. HR-TEM micrographs characterize the well-developed nanosized grains. From VSM data, several magnetic parameters were collected for prepared aluminates and found MAO as best ferromagnetic material with the highest coercive field value (1235 Oe) PL spectra of metal aluminates suggest that the broad peak in violet-blue is attributed to the band edge emission, and finite peaks in higher wavelength regions have appeared due to the large density of surface traps and oxygen vacancies. The photocatalytic mechanism of ZAO, MAO & CAO nanopowder was elucidated on the Congo Red dye (10-70 ppm) solution after exposure to UV light. The highest value of rate constant (k = 0.0118 min-1) suggests that the MAO (0.3 g/L) sample would be an efficient photocatalyst (98%) under UV light owing to its large surface area (125 m2/g) and suitable bandgap. The overall results advocate the practical applicability of aluminate photocatalysts in water treatment, spintronics, and photonics. 

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Magnetic separation, sunlight-driven photocatalytic activity, and antibacterial studies of Sm-doped Co0.33Mg0.33Ni0.33Fe2O4 nanoparticles

Cited by 3 publications

References 69 publications

Synthesis, Characterization, and Adsorption Performance of (Mg_0.4Co_0.4Mn_0.2)Fe₂₋₂_xSm_xSn_xO₄ Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Synthesis, Characterization, and Adsorption Performance of (Mg_0.4Co_0.4Mn_0.2)Fe₂₋₂_xSm_xSn_xO₄ Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Removal of radioactive Co(II) and Sr(II) using (Co0.5Zn0.5)Fe2O4 nanoparticles co-doped with barium and antimony

Structural, optical, magnetic, and photocatalytic analysis of exclusive metal aluminates against Congo Red dye under UV light

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Magnetic separation, sunlight-driven photocatalytic activity, and antibacterial studies of Sm-doped Co0.33Mg0.33Ni0.33Fe2O4 nanoparticles

Cited by 3 publications

References 69 publications

Synthesis, Characterization, and Adsorption Performance of (Mg0.4Co0.4Mn0.2)Fe2−2xSmxSnxO4 Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Synthesis, Characterization, and Adsorption Performance of (Mg0.4Co0.4Mn0.2)Fe2−2xSmxSnxO4 Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Removal of radioactive Co(II) and Sr(II) using (Co0.5Zn0.5)Fe2O4 nanoparticles co-doped with barium and antimony

Structural, optical, magnetic, and photocatalytic analysis of exclusive metal aluminates against Congo Red dye under UV light

Contact Info

Product

Resources

About

Synthesis, Characterization, and Adsorption Performance of (Mg_0.4Co_0.4Mn_0.2)Fe₂₋₂_xSm_xSn_xO₄ Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment

Synthesis, Characterization, and Adsorption Performance of (Mg_0.4Co_0.4Mn_0.2)Fe₂₋₂_xSm_xSn_xO₄ Nanoparticles for the Removal of Heavy Metal Ions and Water Treatment