Citation: Jun Tao Tian, Chun Hong Gong, Lai Gui Yu, Zhi Shen Wu, Zhi Jun Zhang. Synthesis of dandelion-like three-dimensional nickel nanostructures via solvothermal route[J]. Chinese Chemical Letters, ;2008, 19(9): 1123-1126. doi: 10.1016/j.cclet.2008.06.022 shu

Synthesis of dandelion-like three-dimensional nickel nanostructures via solvothermal route

Key Laboratory of Special Functional Materials of Ministry of Education, Henan University, Kaifeng 475004, China

Received Date: 26 February 2008

Fund Project: The financial support from the Ministry of Science and Technology of China (No. 2007CB607606, in the name of "973" Plan) is acknowledged.

The objectives of the present research are synthesizing three-dimensional (3D) nickel nanostructures and investigating their magnetic properties. Thus a template-free method was used to prepare 3D dandelion-like nickel nanostructures via reducing of nickel chloride with hydrazine hydrate in ethylene glycol solution at 100℃. The resulting Ni nanostructures were characterized by means of powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and selected-area electron diffraction (SAED). And the magnetic properties of the 3D Ni nanostructures were measured as well. Results indicated that solvothermal process could be successfully used to prepare 3D dandelion-like nanostruetures of Ni at a relatively mild temperature of 100℃. And the conclusions were made as follows:as-prepared Ni samples had obvious shape anisotropy and were composed of fine nanocrystallites, while they had significantly enhanced ferromagnetic properties than bulk Ni and Ni nanoparticles.
- Nickel,
- 3D nanostructures,
- Preparation,
- Magnetic properties
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