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Synthesis and Characterization of Multiwall-Carbon Nanotubes Decorated with Nickel Ferrite Hybrid |
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| Authors: | B Unal A Baykal M Senel H Sözeri |
| Affiliation: | 1. Department of Electrical and Electronic Engineering, Faculty of Engineering, Fatih University, B. Cekmece, 34500, Istanbul, Turkey 2. Department of Chemistry, Faculty of Art and Science, Fatih University, B. Cekmece, 34500, Istanbul, Turkey 3. TUBITAK-UME, National Metrology Institute, 41470, Gebze, Kocaeli, Turkey |
| Abstract: | Acid functionalized multiwall carbon nanotube, (MWCNT)-COOH/nickel ferrite (NiFe2O4), magnetic hybrids were synthesized by a co-precipitation method. X-ray diffraction, Fourier transform infrared spectrometry, thermal gravimetry, transmission electron microscopy, vibrating sample magnetometry and Impedance Spectroscopy were used to characterize the physical and electrical properties of the MWCNT-COOH/NiFe2O4 hybrid. NiFe2O4 NPs are stably attached to the surface of via carboxyl groups (COOH). The magnetic saturation value of the product was found as 8 emu/g. A tunneling conduction mechanism was believed to occur in the hybrid. The real modules (M′) of the product illustrate power law variation with a power exponent of approximately unity. These magnetic MWCNT-COOH/NiFe2O4 hybrids exhibit a promising prospective in the application of bio-nanoscience and technology. |
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