Phenylenediamine–benzaldehyde Schiff Base Ag(I) Complexes Grown on Graphene with the Intercalated Structures for Electromagnetic Composites
Synthetic metals(2015)
摘要
The graphene (GN)/phenylenediamine-benzaldehyde (PD-BD) Schiff base Ag(I) complexes were synthesized by the Schiff-base reaction. The morphology and phase structure of the samples were characterized by electron microscopy, Fourier transform infrared spectroscopy and X-ray diffraction techniques. Their conductive properties were measured by a four-probe conductivity tester at room temperature. And their magnetic properties were tested by a vibrating sample magnetometer. These results show that the PD-BD Schiff base Ag(I) complexes are chemically bonded onto the GN framework to form an intercalated structure. The conductivity, saturation magnetization, residual magnetization and coercive force of the final complex are found to be 5.07S cm(-1), 2.93 emu g(-1), 0.69 emu g(-1) and 104.68 Oe, respectively. Finally, a possible formation and magnetic mechanism of the composites has also been proposed. (C) 2015 Elsevier B.V. All rights reserved.
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关键词
Graphene,Composites,Electromagnetic properties,Schiff base
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