Magnetic Nanoparticles in Water in Oil Microemulsion
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Описание:
Water in oil(w/o) microemulsion had been used to prepare magnetic iron oxides nanoparticles with different microemulsion number density of Fe2+ and OH-. The as-synthesized magnetic iron oxides nanoparticles had been characterized by XRD, TEM, BET and AGM. The XRD result showed that the crystallite size of the samples was in the range of 3-8nm in diameter whereas the mean particle size obtained from TEM was in the range 2-6nm. For the least upper bound magnetic, size of these particles was at the range of 1-7nm. Due to the agglomeration, BET showed different result. The trend of the particles size versus the microemulsion number density of Fe2+ and OH- was the same. This showed that the particle size decreases when the microemulsion number density decreases and vice versa. By comparison of the as-synthesized magnetic iron oxides nanoparticles produced via w/o microemulsion and Massart’s procedure, it was observed that the properties of both samples are similar. The only difference was...Похожие книги
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