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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 680Synthesis and Characterization of Fe2+-CTS/CA-CNTs...

Synthesis and Characterization of Fe²⁺-CTS/CA-CNTs Composite and its Magnetic Properties

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Abstract:

A novel biocompatible Fe2+-chitosan (CTS)/citric acid modified carbon nanotube (CA-CNTs) composite (Fe2+-CTS/CA-CNTs) has been successfully synthesized by covalent bonding and crosslinking chemistry, followed by the reduction. The samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-Vis spectrum, X-ray diffraction (XRD), inductively coupled plasma (ICP), thermal gravimetric analysis (TGA), and vibrating sample magnetometer (VSM) techniques. The results show that the CTS has been successfully grafted to the CA-CNTs carrier and Fe2+ ions are absorbed on the CTS by coordination bond mode. It was found that the Fe2+-CTS/CA-CNTs composite shows good magnetic properties with a low ratio of remanence to saturation magnetization and is in a superparamagnetic state at room temperature. It is believed that the Fe2+-CTS/CA-CNTs composite will be potential for application in MRI.

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Periodical:

Advanced Materials Research (Volume 680)

Pages:

49-53

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.680.49

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Online since:

April 2013

Authors:

Chang Yu, Xu Zhang, Kan He, Yue Liu, Jieshan Qiu

Keywords:

Carbon Nanotube (CN), Chitosan, Fe²⁺-CTS/CA-CNT Composite, Magnetic Property

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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