Sonochemical preparation of nickel alumina nanotubes templated by anionic surfactant assemblies
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Nickel alumina nanotubes templated by dodecylsulfate assemblies have been successfully synthesized for the first time using a sonochemical process. These nanotubes were characterized by scanning electron microscope (SEM), a transmission electron microscope (TEM), X-ray diffraction (XRD). The formation mechanism of these nanotubes is also discussed. They were also calcined to study the change of the nanostructure morphology with the temperature. It was found that the nanotubes transformed from short nanotubes into dendritic structures of aggregations of nanoparticles into monodisperse nanoparticles, and these nanostructures hold high specific surface area.
KeywordsSodium Dodecyl Sulfate MoS2 Gallium Oxide Nickel Alumina Nitrate Nonahydrate
The work is financially supported by the 973 program (2007CB936204), the Ministry of Education of China (No. 705021, IRT0534), National NSF and Jiangsu Province NSF of China and the doctor Innovation Funds of NUAA (No. BCXJ06-04). We thank Professor J.M. Cao and J.H. Qiu for providing the facilities of the institute for the experimental work. Specially we thank Dr. K. Shen for TEM analysis, and also thank Dr. J.S. Liu, Ms. P.T. He, Ms. L. Wang, and Dr. M.B. Zheng for their technical assistance in nanomaterials’ characterization and discussions.
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