Synthesis and Characterization of Nickel Nanorods Transferred from Hydrotherally Decomposed Rod-like NiS

Abstract

Abstract: Powders of hexagonal-structured single-crystalline nickel sulfide nanorods have been synthesized in cetyltrimethyl ammonium bromide (CTAB)/water/hexane/n-pentanol quaternary microemulsion under hydrothermal conditions by using the reaction of carbamide and carbon disulfide as a sulfide source. Single-crystalline nickel nanorods have been synthesized via thermal decomposition by using single-crystalline nickel sulfide nanorods as precursor. The influence of different reaction parameters on the morphology of the products has been investigated. The structure, morphology and magnetic properties of the products were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), thermogravimetric analysis-differential scanning calorimeter (TGA-DSC) and vibrating sample magnetometer (VSM). The results of magnetic measurements showed that the specific saturation magnetization (σs) and coercivity values (Hc) of nickel nanorods were 37.5 emu/g and 68.5 Oe, respectively.

Key words: Hydrothermal microemulsion, Nickel sulfide nanorods, Nickel nanorods, Magnetic properties

Yu LUO, Jiancheng ZHANG, Yue SHEN, Shutao JIANG, Guoyong LIU. Synthesis and Characterization of Nickel Nanorods Transferred from Hydrotherally Decomposed Rod-like NiS[J]. J Mater Sci Technol, 2007, 23(05): 587-590.

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