Preparation and magnetic property of the composite of nitrogen-doped carbon nanotubes decorated with nickel nanoparticles |
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| Institution: | 1. School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing 100081, PR China;2. Institute of Environment and Municipal Engineering, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, PR China;1. Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China;2. Analytical Instrumentation Center, Peking University, Beijing 100871, China;3. Shenzhen Academy of Metrology and Quality Inspection, Shenzhen 518131, China;1. Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Analysis and Test Centre, Shandong Academy of Sciences, Jinan 250014, China;2. College of Food Science and Engineering, Shandong Agricultural University, Taian 271018, China;1. Charles University, Faculty of Pharmacy, Department of Analytical Chemistry, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;2. Technical University of Liberec, The Institute for Nanomaterials, Advanced Technology and Innovation, Bendlova 1409/7, 46001 Liberec 1, Czech Republic |
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| Abstract: | A magnetic composite of nitrogen-doped carbon nanotubes (CNx) decorated with nickel nanoparticles was synthesized by a chemical precipitation and deoxidization method. The decorated CNx were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). The XRD pattern showed that CNx, nickel nanoparticles and little nickel oxides coexisted in the composite, TEM observation indicated that nickel nanoparticles were highly dispersed on the outer walls of CNx, Magnetic measurements by VSM demonstrated that the saturated magnetization and remanence of CNx were improved, while the coercivity was lowered after decorating with nickel nanoparticles. |
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