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Synthesis and field emission of diamond-like carbon nanorods on TiO 2 /Ti nanotube arrays

  • Jian Biao Chen
  • , Cheng Wei Wang
  • , Jian Wang
  • , Yan Li
  • , Rui Sheng Guo
  • , Bao Hong Ma
  • , Feng Zhou
  • , Wei Min Liu
  • Northwest Normal University
  • Chinese Academy of Sciences
  • CAS - Lanzhou Institute of Chemical Physics

科研成果: 期刊稿件文章同行评审

16 引用 (Scopus)

摘要

Highly ordered TiO 2 /Ti nanotube arrays were fabricated by anodic oxidation method in 0.5 wt% HF. Using prepared TiO 2 /Ti nanotube arrays deposited Ni nanoparticles as substrate, high quality diamond-like carbon nanorods (DLCNRs) were synthesized by a conventional method of chemical vapor deposition at 750 °C in nitrogen atmosphere. DLCNRs were analyzed by filed emission scanning electron microscopy and Raman spectrometer. It is very interesting that DLCNRs possess pagoda shape with the length of 3-10 μm. Raman spectra show two strong peaks about 1332 cm -1 and 1598 cm -1 , indicating the formation of diamond-like carbon. The field emission measurements suggest that DLCNRs/TiO 2 /Ti has excellent field emission properties, a low turn-on field about 3.0 V/μm, no evident decay at 3.4 mA/cm 2 in 480 min.

源语言英语
页(从-至)39-42
页数4
期刊Applied Surface Science
256
1
DOI
出版状态已出版 - 15 10月 2009
已对外发布

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