微晶
纳米线
纳米结构
材料科学
碳纤维
纳米技术
催化作用
化学工程
金属
化学
冶金
复合材料
有机化学
复合数
工程类
作者
K. P. Kalyanikutty,Francis Leonard Deepak,Christopher Edem,A. Govindaraj,C. N. R. Rao
标识
DOI:10.1016/j.materresbull.2005.01.013
摘要
MgO nanowires and related nanostructures have been prepared by carbon-assisted synthesis, starting from polycrystalline MgO or Mg without the use of metal catalysts. The study has been carried out with different sources of carbon, all of them yielding the nanostructures with some differences. It has been possible to obtain nanotrees and other interesting nanostructures by this method. It has also been possible to obtain aligned MgO nanowires by carbon-assisted synthesis over Au-coated Si substrates. A vapor–solid mechanism of one-dimensional growth seems to be operative in the reactions carried out in bulk, but a vapor–liquid–solid mechanism applies when Si substrates are used.
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