Synthesis and field-emission behavior of highly oriented boron carbonitride nanofibers

XD Bai, JD Guo, J Yu, EG Wang, J Yuan, Wuzong Zhou

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104 Citations (Scopus)


Large-area highly oriented boron carbonitride (BCN) nanofibers with various compositions were synthesized directly on polished polycrystalline nickel substrates from a gas mixture of N-2, H-2, CH4, and B2H6 by bias-assisted hot-filament chemical-vapor deposition. The morphology of BCN nanofibers was examined by scanning electron microscopy, the nanofiber structure was studied by high-resolution transmission electron microscopy, and the chemical composition of individual nanofibers was determined by electron energy-loss spectroscopy. Field-emission behavior of the BCN nanofibers was characterized and a high emission current density of about 20-80 mA/cm(2) at a low electric field of 5-6 V/mu m implies a promising application as field-emission sources. (C) 2000 American Institute of Physics. [S0003-6951(00)04018-3].

Original languageEnglish
Pages (from-to)2624-2626
Number of pages3
JournalApplied Physics Letters
Issue number18
Publication statusPublished - 1 May 2000


  • B-C-N
  • BC2N


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