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Controlled Synthesis of Polycrystalline Nickel Oxalate Nanof ibers by the Mild Thermal Precipitation and Aging Process 被引量:2

Controlled Synthesis of Polycrystalline Nickel Oxalate Nanofibers by the Mild Thermal Precipitation and Aging Process
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摘要 Via a mild thermal precipitation and aging process, polycrystalline hydrated nickel oxalate nanofibers were synthesized using nickel chloride and ammonium oxalate as raw materials, with pH 8.0 and temperature 60 ?C. Atomic absorption spectrometer (AAS), organic elemental analyzer (OEA), fourier transform infrared spectroscopy (FT-IR), thermogravimetry-derivative thermogravimetry (TG-DTG), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) were used to characterize the products properties. The results demonstrated that the product was hydrated nickel oxalate. The sizes of hydrated nickel oxalate nanofibers were 100-150 nm in diameter, and 0.5-5.0 μm in length. A rational mechanism based on coordination self-assembly was discussed for the selective formation of the polycrystalline hydrated nickel oxalate nanofibers. Via a mild thermal precipitation and aging process, polycrystalline hydrated nickel oxalate nanofibers were synthesized using nickel chloride and ammonium oxalate as raw materials, with pH 8.0 and temperature 60 ?C. Atomic absorption spectrometer (AAS), organic elemental analyzer (OEA), fourier transform infrared spectroscopy (FT-IR), thermogravimetry-derivative thermogravimetry (TG-DTG), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) were used to characterize the products properties. The results demonstrated that the product was hydrated nickel oxalate. The sizes of hydrated nickel oxalate nanofibers were 100-150 nm in diameter, and 0.5-5.0 μm in length. A rational mechanism based on coordination self-assembly was discussed for the selective formation of the polycrystalline hydrated nickel oxalate nanofibers.
作者 李涛 刘颖
出处 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2011年第6期1041-1043,共3页 武汉理工大学学报(材料科学英文版)
基金 Funded by the National Natural Science Foundation of China(51002126) the Open Project of State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials (10zxfk30)
关键词 inorganic materials NANOFIBER PRECIPITATION optical spectroscopy thermal analysis transmission electron microscopy inorganic materials nanofiber precipitation optical spectroscopy thermal analysis transmission electron microscopy
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