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Growth mechanism and Raman spectroscopic study of “interlinked-cone" shaped CNx nanotubes

Guo Xin-Yong Du Zu-Liang Ding Pei Liang Er-Jun Zhang Hong-Rui Liu Yi-Zhen Liu Hui

Growth mechanism and Raman spectroscopic study of “interlinked-cone" shaped CNx nanotubes

Guo Xin-Yong, Du Zu-Liang, Ding Pei, Liang Er-Jun, Zhang Hong-Rui, Liu Yi-Zhen, Liu Hui
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  • PDF Downloads:  559
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Publishing process
  • Received Date:  01 May 2002
  • Accepted Date:  26 June 2002
  • Published Online:  03 April 2005

Growth mechanism and Raman spectroscopic study of “interlinked-cone" shaped CNx nanotubes

  • 1. (1)河南大学特种功能材料实验室,开封 475001; (2)郑州大学物理工程学院,郑州 450052

Abstract: CNx nanotubes have been generated by thermal decomposition of ferrocene/xylene over cobalt powder at 780℃—940℃ in an atmosphere of N2, H2 and NH3 released from NH4Cl pyrolyzing at 300℃. The high-resolution transmission electron microscope (HRTEM) images show that the tubes consist of unusual “interlinked-cone". The catalytic growth mechanism of CNx nanotubes is discussed based on the formation energy of different structures. Raman spectroscopic studies show that the ID/IG ratio represents the crystallinity of the CNx nanotubes. The shift of the Raman band to higher frequencies confirms the nitrogen incorporation.

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