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A new route to mass production of metal hydroxide/oxide hydroxide nanoparticles

机译:大规模生产金属氢氧化物/氧化物氢氧化物纳米粒子的新途径

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摘要

Aluminum hydroxide/oxide hydroxide nanofibers were self-assembled by hydration of highly activated aluminum powder using no surfactants or templates. The activation was performed by milling aluminum powder with sodium chloride as nano-miller. Transmission electron microscopy images and X-ray diffraction patterns confirm that this method leads to smaller size of aluminum particles (less than 50 nm) and increases the lattice strain. These factors provide conditions under which hydration procedure proceeds until it reaches the core of aluminum particles. The synthesized powder consists of nanofibers with thickness less then 10nm and average length of 120 nm and specific surface area of 309 m~2 g~(-1). The process is convenient, highly efficient and capable to be implemented in mass production. It may be extended to produce hydroxide/oxide hydroxide nanopowders of other metals, as well.
机译:不使用表面活性剂或模板,通过高度活化的铝粉进行水合作用来自动组装氢氧化铝/氢氧化铝氧化物纳米纤维。通过将铝粉与氯化钠一起研磨成纳米粉进行活化。透射电子显微镜图像和X射线衍射图证实,该方法导致铝颗粒尺寸更小(小于50 nm)并增加了晶格应变。这些因素提供了进行水合程序直至其到达铝颗粒核的条件。合成的粉末由厚度小于10nm,平均长度为120nm,比表面积为309m〜2 g〜(-1)的纳米纤维组成。该方法方便,高效并且能够大规模生产。它也可以扩展到生产其他金属的氢氧化物/氧化物氢氧化物纳米粉。

著录项

  • 来源
    《Materials Chemistry and Physics.》 |2009年第3期|473-476|共4页
  • 作者单位

    Thermoelectric Lab, Department of Semiconductors, Material & Energy Research Center (MERC), P.O. Box 14155-4777, Tehran, Iran;

    Thermoelectric Lab, Department of Semiconductors, Material & Energy Research Center (MERC), P.O. Box 14155-4777, Tehran, Iran;

    Thermoelectric Lab, Department of Semiconductors, Material & Energy Research Center (MERC), P.O. Box 14155-4777, Tehran, Iran;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nanostructures; powder metallurgy; metals; corrosion;

    机译:纳米结构粉末冶金金属;腐蚀;

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