Thermal stability of catalytically grown multi-walled carbon nanotubes observed in transmission electron microscopy

Cheng Yu Wang, Chuan-Pu Liu, C. B. Boothroyd

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

The thermal stability of multi-walled carbon nanotubes (MWCNTs) was assessed in situ by transmission electron microscopy. Upon heating, Ni catalysts in MWCNTs containing bamboo structures shrank from the tail due to evaporation, leading to additional bamboo formation and tube elongation at 800°C, while the MWCNTs with FeSi catalysts remained intact up to 1050°C except for better crystallinity. The physisorbed carbon and/or hydrocarbon on surfaces and super-saturated carbon in the Ni catalysts should be responsible for the phenomena.

原文English
頁(從 - 到)247-251
頁數5
期刊Applied Physics A: Materials Science and Processing
94
發行號2
DOIs
出版狀態Published - 2009 二月 1

All Science Journal Classification (ASJC) codes

  • 化學 (全部)
  • 材料科學(全部)

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