Hydrothermal synthesis of fine stabilized superparamagnetic nanoparticles of Zn2+ substituted manganese ferrite

Zahraei, Maryam; Monshi, Ahmad; Morales, M.P.; Shahbazi‐Gahrouei, Daryoush; Amirnasr, Mehdi; Behdadfar, Behshid

doi:10.1016/j.jmmm.2015.06.006

Cited by 51 publications

(22 citation statements)

References 30 publications

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“…In particular, because of the increasing need for high-area-density storage, synthesis and characterization of semiconductor nanocrystals have been extensively investigated. [1][2][3][4][5][6][7][8][9][10] Sanmartinite (ZnWO 4 ) belongs to a wide group of wolframite-type tungstates with general formula AWO 4 , where A 2+ = Mg 2+ , Mn 2+ , Fe 2+ , Co 2+ , Ni 2+ , and Cd 2+ . It is a technologically important material, finding applications, e.g., in scintillation detectors, laser-active hosts, optical fibers, sensors, and phase-change optical recording media.…”

Section: Introductionmentioning

confidence: 99%

Precipitation Synthesis, Characterization, Morphological Control, and Photocatalyst Application of ZnWO4 Nanoparticles

Hosseinpour-Mashkani

Maddahfar

Sobhani‐Nasab

2016

Journal of Elec Materi

102

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Zinc tungstate nanoparticles have been successfully synthesized by a precipitation method in the presence of different polymeric surfactants. This study aimed to investigate the effect of different solvents and polymeric surfactants such as carboxymethyl cellulose, polyethylene glycol, and polyvinyl alcohol on the morphology, particle size, and crystal structure of the final product. The as-synthesized products were characterized by powder x-ray diffraction analysis, scanning electron microscopy, ultraviolet-visible spectroscopy, Fourier-transform infrared spectroscopy, transmission electron microscopy, and energy-dispersive x-ray spectroscopy techniques. Furthermore, the hysteresis loop of the zinc tungstate nanoparticles at room temperature revealed paramagnetic behavior. Photocatalysis results revealed that maximum methyl orange decolorization of 85% was achieved with ZnWO 4 nanoparticles in 240 min under visible-light irradiation. The saturation magnetization, remanent magnetization, and coercivity of the ZnWO 4 nanoparticles were 0.003 emu/g, 0.0005 emu/g, and 110 Oe, respectively.

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Section: Introductionmentioning

confidence: 99%

Precipitation Synthesis, Characterization, Morphological Control, and Photocatalyst Application of ZnWO4 Nanoparticles

Hosseinpour-Mashkani

Maddahfar

Sobhani‐Nasab

2016

Journal of Elec Materi

102

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“…The XRD pattern obtained for the ZnFe 2 O 4 /MWCNTs nanocomposite (Figure B) contains peaks corresponding to (2 2 0), (3 1 1), (2 2 2), (4 0 0), (4 2 2), and (5 1 1) planes at respective 2 θ values of 30 ○ , 35.65 ○ , 39.25 ○ , 43 ○ , 56 ○ and 57 ○ . The data (inset of Figure B) confirm the formation of ZnFe 2 O 4 NPs with spinel (Reference Code 98–008‐8194) structure.…”

Section: Resultsmentioning

confidence: 58%

Electrochemical Sensor Based on Carbon Nanotubes Decorated with ZnFe₂O₄ Nanoparticles Incorporated Carbon Paste Electrode for Determination of Metoclopramide and Indomethacin

et al. 2019

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It was intended to design a simple, inexpensive, yet stable and selective electrochemical sensor for the analysis of metoclopramide (MCP) and Indomethacin (IND) in individual and binary mixtures there of using a carbon paste of multiwall carbon nanotubes (MWCNTs) decorated with spinel zinc ferrite nanoparticle (ZnFe 2 O 4 ) electrode i. e. ZnFe 2 O 4 /MWCNTs-CPE. The composite material and the modified carbon paste were characterized by analytical methods including Fourier transform infrared spectroscopy (FT-IR), scanning electron micro-scopy (SEM), X-ray diffraction (XRD) and energy dispersive X-ray analysis (EDX). The peak currents obtained through the differential pulse voltammetry of MCP and IND revealed a linear increasing trend from 0.6 to 90.0 μM for MCP; and from 5.0 to 200.0 μM for IND and respective detection limits of 0.13 μM and 0.5 μM, were obtained for the target species. The resulting modified CPE was successfully used for the determination of MCP in real samples.[a] M. Hassannezhad, Prof. M. R. Ganjali

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“…The XRD pattern of pure MWCNTs shows one obvious peak at 2θ of 24°, which corresponds to the (002) plane of 511, respectively, confirm the formation of the spinel structure of ZnFe 2 O 4 . 26 The XRD result indicates that the synthesized nanocomposite contained MWCNTs and ZnFe 2 O 4 nanoparticles.…”

Section: Characterization Of Nanocompositementioning

confidence: 93%

Efficient removal of Malachite Green from aqueous solution by adsorption on carbon nanotubes modified with ZnFe2O4 nanoparticles

et al. 2019

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In this study, multiwall carbon nanotubes modified with spinel zinc ferrite nanoparticle (ZnFe 2 O 4 /MWCNTs) were used as a solid phase adsorbent for the removal of Malachite Green (MG) from aqueous media. The synthesized nanocomposite was characterized by different methods, such as Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and X-ray diffraction (XRD). Batch adsorption experiments to determine the optimal adsorption conditions and different factors that influence the adsorption efficiency (i.e., pH, amount of adsorbent, contact time, and the initial concentration of MG) were also evaluated and optimized. The data were satisfactorily fitted to the Langmuir model and a maximum adsorption capacity of 116.2 mg g-1 was obtained at a pH of 7.5. In addition, adsorption kinetics studies were performed. The adsorption of the model dye (MG) was found to reach equilibrium after 60 min, following a pseudo-second-order kinetic model. Furthermore, an external magnetic field could easily separate the nanoparticles from water with a high separation efficiency.

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Hydrothermal synthesis of fine stabilized superparamagnetic nanoparticles of Zn2+ substituted manganese ferrite

Cited by 51 publications

References 30 publications

Precipitation Synthesis, Characterization, Morphological Control, and Photocatalyst Application of ZnWO4 Nanoparticles

Precipitation Synthesis, Characterization, Morphological Control, and Photocatalyst Application of ZnWO4 Nanoparticles

Electrochemical Sensor Based on Carbon Nanotubes Decorated with ZnFe₂O₄ Nanoparticles Incorporated Carbon Paste Electrode for Determination of Metoclopramide and Indomethacin

Efficient removal of Malachite Green from aqueous solution by adsorption on carbon nanotubes modified with ZnFe2O4 nanoparticles

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Hydrothermal synthesis of fine stabilized superparamagnetic nanoparticles of Zn2+ substituted manganese ferrite

Cited by 51 publications

References 30 publications

Precipitation Synthesis, Characterization, Morphological Control, and Photocatalyst Application of ZnWO4 Nanoparticles

Precipitation Synthesis, Characterization, Morphological Control, and Photocatalyst Application of ZnWO4 Nanoparticles

Electrochemical Sensor Based on Carbon Nanotubes Decorated with ZnFe2O4 Nanoparticles Incorporated Carbon Paste Electrode for Determination of Metoclopramide and Indomethacin

Efficient removal of Malachite Green from aqueous solution by adsorption on carbon nanotubes modified with ZnFe2O4 nanoparticles

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Product

Resources

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Electrochemical Sensor Based on Carbon Nanotubes Decorated with ZnFe₂O₄ Nanoparticles Incorporated Carbon Paste Electrode for Determination of Metoclopramide and Indomethacin