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Magnetic sweet graphene nanosheets: preparation, characterization and application in removal of methylene blue

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Date
2016
Author
Namvari, M
Namazi, H
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Abstract
Magnetic glucose-functionalized graphene nanosheets (GNS) were prepared, and the application of these biosorbents in the removal of methylene blue was investigated. Fe3O4 nanoparticles were deposited on sweet GNS using co-precipitation. The nanocomposites were analyzed by Fourier transform infrared spectroscopy, field emission scanning electron microscopy, transition electron microscopy, vibrating sample magnetometer and X-ray diffraction spectrometry. The resulted magnetic sweet GNS were superparamagnetic, responded quickly to an external magnetic field and exhibited efficient adsorption toward methylene blue, as a cationic dye. No leaching was observed even after a week of placing a magnet close to the vial containing the solution of magnetic sweet GNS.
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http://dspace.tbzmed.ac.ir:8080/xmlui/handle/123456789/47204
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