標題: Bias effect on the growth of carbon nanotips using microwave plasma chemical vapor deposition
作者: Tsai, CL
Chen, CF
Wu, LK
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 22-Jul-2002
摘要: Carbon nanotips with a high-aspect ratio were directly grown on Pt films. Carbon nanotips grew up to 5.4 mum length and 64 nm diameter under a -120 V bias. Compared to the hollow structure of carbon nanotubes, transmission electron microscopy images indicate its solid body, which is made of graphite. Carbon nanotips possess good field emission characteristics, that is, a turn-on field of 1.5 V/mum and 761 muA/cm(2) under 2.2 V/mum. The Pt films provide a good conduction path for electron transport from the cathode to the emission site and do not act as catalysts. (C) 2002 American Institute of Physics.
URI: http://dx.doi.org/10.1063/1.1494839
http://hdl.handle.net/11536/28658
ISSN: 0003-6951
DOI: 10.1063/1.1494839
期刊: APPLIED PHYSICS LETTERS
Volume: 81
Issue: 4
起始頁: 721
結束頁: 723
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