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Preparation of nanoparticles with an environment-friendly approach
Authors:YAO Kefu  PENG Zhen and FAN Xiaolin
Institution:Key Laboratory of Advanced Materials Processing Technology,Ministry of Education,Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China
Abstract:Developing various approaches for preparing high performance materials has long been topics and tasks both for scientists and for engineers.Despite that many methods have been developed for preparing nanomaterials,developing simple and environment-friendly ways for preparing nanomaterials is very attractive.A simple approach of synthesizing Fe3O4 nanoparticles by arc-discharge submerging in water was reported.The results showed that by this method Fe3O4 nanoparticles can be synthesized in large scale.The as-prepared Fe3O4 nanoparticles exhibit uniform spherical shape and their diameters varied with arc-discharging parameters.The experimental results showed that the size of the synthesized Fe3O4 nanoparticles can be controlled through adjusting the processing parameters.Since no vacuum system has been used,the synthesizing process is greatly simplified.In addition,only cheap deionized water and industrial iron bar are used and no pollution or harmful by-products are found in the synthesis process.It indicated that the present approach is a simple,low-cost and environment-friendly for preparing nanoparticles.
Keywords:nanoparticles  preparation  approach  Fe3O4
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