Controlled growth of three morphological structures of magnesium hydroxide nanoparticles by wet precipitation method
Controlled growth of three morphological structures of magnesium hydroxide nanoparticles by wet precipitation method
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DOI：
10.1016/j.jcrysgro.2004.04.034
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发表时间：
2004-07-01
影响因子：
1.8
通讯作者：
Qu, BJ
中科院分区：
文献类型：
--
作者：
Lv, JP;Qiu, LZ;Qu, BJ
在复合分散剂存在下，通过溶液沉淀法分别合成了针状、片状和棒状三种结构形貌的氢氧化镁纳米粒子。研究了表面活性剂或水溶性高分子分散剂的种类、反应温度和浓度、添加方式和添加速率以及反应物的水热处理等合成参数对水相沉淀法制备的纳米氢氧化镁形貌和尺寸的影响。特别注意获得棒状颗粒和稳定的胶体分散体。采用透射电子显微镜（TEM）、场发射扫描电子显微镜（FESEM）和X射线衍射仪（XRD）对氢氧化镁纳米粒子的形貌、粒径和晶型进行了表征。(C)2004 Elsevier B.V.保留所有权利。
Magnesium hydroxide nanoparticles with three structural morphologies, needle-, lamellar- and rod-like, were synthesized individually through solution precipitation in the presence of complex dispersants. The influence of synthesis parameters on the morphological characteristics and sizes of magnesium hydroxide nanoparticles precipitated in an aqueous medium was investigated, such as types of surfactants or water-soluble polymeric dispersants, reaction temperature and concentration, addition method and rate, and hydrothermal treatment of reactants. Special attention was given to obtain rod-shaped particles and stable colloidal dispersion. The obtained magnesium hydroxide nanoparticles were characterized in terms of morphology, particle size and crystal habits by transmission electron microscopy (TEM), field emission scanning electron microscope (FESEM), and X-ray diffraction (XRD). (C) 2004 Elsevier B.V. All rights reserved.