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Mn_3O_4纳米粒子的合成及表征 被引量：4

Synthesis and Characterization of Mn_3O_4 Nanoparticles
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摘要 以KMnO4和乙醇为原料,常压下50-60℃反应生成前驱物,将此前驱物转移至反应釜中,在190℃反应4 h,采用溶剂热法合成Mn3O4纳米粒子。探索了反应温度对产物结晶度及产物在水中分散性的影响。利用X射线衍射仪（XRD）、透射电子显微镜（TEM）、红外吸收光谱（IR）对产物进行表征。结果表明,反应温度为190℃时,产物Mn3O4纳米粒子的结晶度最大,在水中分散性最好,为四方晶系,平均粒径在50 nm左右。该方法的突出特点是Mn3O4纳米粒子的合成量大,反应时间短,效率高。 The precursor of Mn3O4 nanoparticles synthesized at 50-60 ℃ under atmospheric pressure,using KMnO4 and C2H5OH as main raw materials,and the Mn3O4 nanoparticles were prepared from the as-prepared precursor at 190 ℃ for 4 h by solvothermal method.The influence of reaction temperature on the crystallinity and the water-dispersity of the products were investigated.The as-prepared Mn3O4 crystals were characterized by X-ray powder diffraction（XRD）,transmission electron microscopy（TEM） and Infrared absorption spectra（IR）.The results indicated that the Mn3O4 particles with average diameter of 50 nm prepared at 190 ℃ is tetragonal system and shows higher crystallinity and excellent water-dispersity.Large-scale-synthesis,time-saving reaction and high efficiency are the outstanding features in this study.
作者 郭磊 雷良才 张俊 王思瑶 韩向艳 储刚
机构地区 辽宁石油化工大学化学与材料科学学院
出处 《人工晶体学报》 EI CAS CSCD 北大核心 2010年第6期1446-1450,共5页 Journal of Synthetic Crystals
基金 辽宁省教育厅资助项目(No.2008T111)
关键词 MN3O4 溶剂热法 结晶度 分散性 Mn3O4 solvothermal method crystallinity dispersity
分类号 TM26 [一般工业技术—材料科学与工程]
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参考文献16

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共引文献14

同被引文献36

  • 1杨则恒,张卫新,许俊,韩效钊,陈敏.溶剂热合成法制备Mn_3O_4纳米粉体[J].应用化学,2005,22(7):722-725. 被引量：6
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引证文献4

二级引证文献10

人工晶体学报
2010年 第6期

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