Synthesis and characterisation of PANI–Co in presence of magnetic field
作者： S. Q. Li , L. Tang , J. Q. Kan
DOI: 10.1179/143307510X12719005364909
关键词: Conductivity 、 Ferromagnetism 、 Magnetization 、 Electron paramagnetic resonance 、 Saturation (magnetic) 、 Magnetic field 、 Materials science 、 Coercivity 、 Analytical chemistry 、 Unpaired electron
摘要: AbstractPolyaniline–Co (PANI–Co) was synthesised using peroxydisulphate as an oxidant in a solution containing 0·1 mol L–1 aniline and 0·5 HCl adequate CoCl2.6H2O the applied magnetic field. The electron paramagnetic resonance spectrum displayed that there were unpaired electrons PANI–Co, spin density of which 6·903 6 1019 spins/g. conductivity PANI–Co under field 0·728 S cm–1. relationship between magnetisation showed had soft ferromagnetic property at room temperature. saturation coercive force 6·6 emu g–1 (electromagnetic unit per gram) 48 Oe, respectively. UV-Vis Fourier transform infrared spectra implied interaction Co2+ PANI chains but structure backbone hardly changed compared with PANI. results cyclic voltammogram indicated film ...
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