Synthesis of single-wall carbon nanotubes by excimer laser ablation

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• 作者：P. M. Bota (1)
  D. Dorobantu (1)
  I. Boerasu (1)
  D. Bojin (1)
  M. Enachescu (1) (2)
  
• 关键词：single ; wall carbon nanotubes ; laser ablation ; transmission electron microscopy ; Raman spectroscopy
• 刊名：Surface Engineering and Applied Electrochemistry
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：50
• 期：4
• 页码：294-299
• 全文大小：860 KB
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• 作者单位：P. M. Bota (1)
  D. Dorobantu (1)
  I. Boerasu (1)
  D. Bojin (1)
  M. Enachescu (1) (2)
  
  1. Center for Surface Science and Nanotechnology鈥擴niversity Politehnica of Bucharest, 313 Splaiul Independentei, Bucharest, Romania
  2. Academy of Romanian Scientists, 125, Calea Victoriei, sector 1, RO鈥?10071, Bucharest, Romania
  
• ISSN：1934-8002

文摘

We report the KrF excimer laser ablation of carbonaceous targets in an innovative laser ablation chamber. The targets have been prepared using a new approach, without pressing or hot pressing of the composition. The Co/Ni doped target has yielded single-wall carbon nanotubes with a narrow diameter distribution. High-resolution transmission electron microscopy has been used along with the confocal Raman microscopy to characterize the products obtained. Thermogravimetric analysis confirms the presence of multiple carbonaceous species with different oxidation temperatures.