Journal of Nanostructures، جلد ۱۰، شماره ۱، صفحات ۳۹-۴۳

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عنوان انگلیسی Synthesis of magnetic graphene-Fe3O4 nanocomposites by electrochemical exfoliation method
چکیده انگلیسی مقاله Superparamagnetic few-layer graphene nanocomposites (FLG- NCs) can be used for many technological applications, such as solar cells, batteries, touch panels and supercapacitors. In this work, we applied electrochemical exfoliation method as a simple, one step and economical technique to fabricate FLG- NCs. The fabricated Superparamagnetic FLG- NCs were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), field emission scanning electron microscope (FESEM), energy dispersive spectroscopy (EDS) and vibrating sample magnetometer (VSM). Analysis of XRD pattern shows the formation of graphene iron oxide nanocomposites due to the existence of magnetite (Fe3O4) and graphite picks. Hysteresis curve of the sample represents superparamagnetic effect with saturation magnetization, MS=57.3 emu. g-1. The results of XRD and VSM indicate that the size of ferromagnetic particles reduced to critical size to form into superparamagnetic. FLG- Fe3O4 with high saturation magnetization is very useful in hyperthermia, drug delivery, supercapacitors, removal dye, etc.
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نویسندگان مقاله Narges Ansari |
Department of Physics, Alzahra University,Tehran,Iran

Zahta Payami |
Department of Physics, Alzahra University,Tehran,Iran


نشانی اینترنتی http://jns.kashanu.ac.ir/article_104446_c0a962a0c8635be51f25364c5d4a8377.pdf
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