The synthesis of graphene nanowalls on a diamond film on a silicon substrate by direct-current plasma chemical vapor deposition

Yonhua Tzeng, Wai Leong Chen, Chiahao Wu, Jui Yung Lo, Chiuan Yi Li

研究成果: Article同行評審

31 引文 斯高帕斯(Scopus)

摘要

Graphene nanowalls have been synthesized on diamond by direct-current plasma enhanced chemical vapor deposition (CVD) on silicon substrates pre-seeded with diamond nanoparticles in gas mixtures of methane and hydrogen. Switching from diamond CVD to graphene CVD is done by increasing the methane concentration and decreasing the plasma power without breaking the vacuum. Graphene nanowalls stand on the CVD diamond film to form a 3-dimensional network. Scanning electron microscopy, high-resolution transmission electron microscopy, UV and visible Raman scattering and electrochemical cyclic voltammetry measurements are used to characterize the multi-layer turbostratic graphitic carbon nanostructure and demonstrate its electrochemical durability with a low background current in a wide electrochemical potential window.

原文English
頁(從 - 到)120-129
頁數10
期刊Carbon
53
DOIs
出版狀態Published - 2013 三月

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

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