AMMONIA-MEDIATED METHOD FOR ONE-STEP AND SURFACTANT-FREE SYNTHESIS OF MAGNETITE NANOPARTICLES

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MANSOURNIA M.; AZIZI F.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: JOURNAL OF NANOSTRUCTURES Year:2015 | Volume:5 | Issue:4 Page(s): 403-408

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Information Journal Paper

Title

AMMONIA-MEDIATED METHOD FOR ONE-STEP AND SURFACTANT-FREE SYNTHESIS OF MAGNETITE NANOPARTICLES

Author(s)

MANSOURNIA M. | AZIZI F. | Issue Writer Certificate

Keywords

MAGNETITEQ2

NANOPARTICLESQ1

AMMONIA-MEDIATED METHODQ2

SUPERPARAMAGNETICQ2

Abstract

MAGNETITE (Fe3O4) NANOPARTICLES have been successfully prepared by a novel one-step and surfactant-free approach utilizing ferrous ion, as a single iron source. In this manner, the reaction occurs between two aqueous solutions via the spontaneous transfer of ammonia gas from one to another in room temperature. No ferric source or oxidizing specie, oxidation controlling and capping agents are needed and the method is suited for large-scale preparation. The effects of reaction conditions on the formation of Fe3O4 were investigated using powder X-ray diffraction (XRD), Fourier transformation infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) techniques. The results have demonstrated that the pure and single phase MAGNETITE NANOPARTICLES were synthesized at the final pH values higher than 8. Accordingly, the formation mechanism of these nanostructures is proposed. Moreover, the vibrating sample magnetometry (VSM) measurements of the assynthesized NANOPARTICLES show their room temperature SUPERPARAMAGNETIC characteristic with a typical saturation magnetization of 51 emug-1.

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APA: Copy

MANSOURNIA, M., & AZIZI, F.. (2015). AMMONIA-MEDIATED METHOD FOR ONE-STEP AND SURFACTANT-FREE SYNTHESIS OF MAGNETITE NANOPARTICLES. JOURNAL OF NANOSTRUCTURES, 5(4), 403-408. SID. https://sid.ir/paper/210899/en

Vancouver: Copy

MANSOURNIA M., AZIZI F.. AMMONIA-MEDIATED METHOD FOR ONE-STEP AND SURFACTANT-FREE SYNTHESIS OF MAGNETITE NANOPARTICLES. JOURNAL OF NANOSTRUCTURES[Internet]. 2015;5(4):403-408. Available from: https://sid.ir/paper/210899/en

IEEE: Copy

M. MANSOURNIA, and F. AZIZI, “AMMONIA-MEDIATED METHOD FOR ONE-STEP AND SURFACTANT-FREE SYNTHESIS OF MAGNETITE NANOPARTICLES,” JOURNAL OF NANOSTRUCTURES, vol. 5, no. 4, pp. 403–408, 2015, [Online]. Available: https://sid.ir/paper/210899/en

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