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介绍了制备磁性钴纳米粒子的方法 ,尤其是介绍了近年发展起来的高温液相法 ,即高温液相还原法 ,金属盐醇解法和金属有机化合物热分解法 ;同时就制备颗粒尺寸小、粒度分布均匀的钴纳米粒子所采用的两种表面活性剂从理论上给予了说明。最后简单介绍了磁性金属钴纳米粒子的主要应用。
In this paper, the preparation method of magnetic cobalt nanoparticles is introduced, especially the high temperature liquid phase method developed in recent years, that is, high temperature liquid phase reduction method, metal salt alcoholysis method and metal organic compound thermal decomposition method; meanwhile, Two kinds of surfactants used in the evenly distributed cobalt nanoparticles are theoretically given. Finally, the main applications of magnetic metal cobalt nanoparticles are briefly introduced.