Nickel substituted MgFe2O4 nanoparticles via co-precipitation method for photocatalytic applications

Ajeesha, T.L.; Ashwini, A; George, Matthieu; Manikandan, A.; Mary, J. Arul; Slimani, Y.; Baykal, A.

doi:10.1016/j.physb.2020.412660

Cited by 63 publications

(10 citation statements)

References 31 publications

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“…The peaks are matched with the standard JCPDS card no. 36-0398 and indexed to the cubic spinel phase with space group Fd3m [20]. Furthermore, the presence of hematite (Fe 2 O 3 ) as a secondary phase is revealed from the presence of an extra peak located at 2θ = 32.9 • .…”

Section: Introductionmentioning

confidence: 99%

Influence of Lanthanum Doping on the Photocatalytic and Antibacterial Capacities of Mg0.33Ni0.33Co0.33Fe2O4 Nanoparticles

et al. 2023

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The increase in environmental pollution, especially water pollution, has intensified the requirement for new strategies for the treatment of water sources. Furthermore, the improved properties of nano-ferrites permit their usage in wastewater treatment. In this regard, novel Mg0.33Ni0.33Co0.33LaxFe2−xO4 nanoparticles (NPs), where 0.00≤x≤0.08, were synthesized to test their photocatalytic, antibacterial and antibiofilm activities. The structural and optical properties of the prepared NPs were investigated by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), UV-Vis spectroscopy and photoluminescence (PL) analysis. As La content increases, the bandgap energy increases, whereas the particle size decreases. The photocatalytic activity of the prepared NPs is evaluated by the degradation of methylene blue (MB) dye under sunlight irradiation. Superior activity is exhibited by Mg0.33Ni0.33Co0.33La0.01Fe1.99O4 NPs. The influence of catalyst dosage, pH, temperature and addition of graphene (Gr) on the photodegradation reaction was studied. Increasing the pH and temperature improved the rate of the photodegradation reaction. The antibacterial and antibiofilm activities of the NPs were assessed against Escherichia coli, Leclercia adecarboxylata, Staphylococcus aureus and Enterococcus faecium. Mg0.33Ni0.33Co0.33Fe2O4 NPs inhibited bacterial growth. They had bacteriostatic activity on all isolates, with a greater effect on Gram-positive bacteria. All tested nano-ferrites had significant antibiofilm activities against some biofilms.

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Section: Introductionmentioning

confidence: 99%

Influence of Lanthanum Doping on the Photocatalytic and Antibacterial Capacities of Mg0.33Ni0.33Co0.33Fe2O4 Nanoparticles

et al. 2023

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“…29 In addition, this method is safe, cost-effective and requires a low synthesis temperature compared with other conventional methods. 30,31 As an example, a one-step co-precipitation reaction of ferrous (Fe 2+ ) and ferric (Fe 3+ ) salts in an alkaline solution is shown in Fig. 3.…”

Section: Co-precipitation Methodsmentioning

confidence: 99%

Therapeutic applications of magnetic nanoparticles: recent advances

Roy

Kritika

2022

Mater. Adv.

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“…The key factor of a photocatalyst is its band gap structure, which determines the wavelength of absorbing light (Acharya et al 2022). The distance between the valence band (VB) and conduction band (CB) is defined as band gap energy (E, eV), which is closely related to the wavelength (λ, nm) of light (E ¼ 1,240 eV nm/λ) (Ajeesha et al 2021). Figure 1(a) presents the solar spectrum that illustrates the intensity of light reaching the Earth's surface, ranging from ultraviolet (UV), and visible light to infrared (IR) (Casbeer et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Recent advances in spinel ferrite-based magnetic photocatalysts for efficient degradation of organic pollutants

Song

2023

Water Science and Technology

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Although spinel ferrite (MFe2O4, M = Zn, Ni, Mn, etc.) has been reported as a promising catalyst, its low photocatalytic activity under visible light greatly restricts its practical application. Spinel ferrite-based photocatalytic composites have exhibited improved efficiency for pollutant degradation, due to interface charge carrier mobility and structural modification. Meanwhile, due to its magnetism and stability, spinel ferrite composite can be easily recycled for long-term utilization, showing its high application potential. In this review, the recent advances in the construction and photocatalytic degradation of spinel ferrite composites are discussed, with an emphasis on the relationship between structural property and photocatalytic activity. In addition, to improve their photocatalytic application, the challenges, gaps and future research prospects are proposed.

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Nickel substituted MgFe2O4 nanoparticles via co-precipitation method for photocatalytic applications

Cited by 63 publications

References 31 publications

Influence of Lanthanum Doping on the Photocatalytic and Antibacterial Capacities of Mg0.33Ni0.33Co0.33Fe2O4 Nanoparticles

Influence of Lanthanum Doping on the Photocatalytic and Antibacterial Capacities of Mg0.33Ni0.33Co0.33Fe2O4 Nanoparticles

Therapeutic applications of magnetic nanoparticles: recent advances

Recent advances in spinel ferrite-based magnetic photocatalysts for efficient degradation of organic pollutants

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