Solvothermal Synthesis of Nano-Sized Nickel Complex with 1-Methylimidazole Using Ionic Liquid

Abstract

One-dimensional nanostructures of nickel complex with 1-methylimidazole [Ni(C₄H₆N₂)₆(BF₄)₂] have been prepared via solvothermal route using ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate salt ([bmim][BF4]) as reactive medium. The complex was characterized by elemental analysis, X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM), infrared absorption spectroscopy, Raman spectra, magnetic measurement and thermal analysis. The SEM and TEM images indicate that the complex is rodlike with diameter of about 180-530 nm and the length of 0.29-2.80 μm. The magnetic measurement exhibits that the complex shows paramagnetic behaviour and its effective magnetic moment is 2.79 B.M.