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Field Emission Characteristics of Carbon Nanotube-Copper Composite Structures Formed by Composite Plating Method  

Sung Woo-Yong (School of Mechanical and Aerospace Engineering, Seoul National University)
Kim Wal-Jun (School of Mechanical and Aerospace Engineering, Seoul National University)
Lee Seung-Min (School of Mechanical and Aerospace Engineering, Seoul National University)
Yoo Hyeong-Suk (School of Material Science and Engineering, Seoul National University)
Lee Ho-Young (School of Mechanical and Aerospace Engineering, Seoul National University)
Joo Seung-Ki (School of Material Science and Engineering, Seoul National University)
Kim Yong-Hyup (School of Mechanical and Aerospace Engineering and The Institute of Advanced Aerospace Technology, Seoul National University)
Publication Information
Journal of the Korean institute of surface engineering / v.38, no.4, 2005 , pp. 163-166 More about this Journal
Abstract
Carbon nanotube-copper composite structures were fabricated using composite plating method and their field emission characteristics were investigated. Multi-walled carbon nanotubes (MWNTs) synthesized by chemical vapor deposition were used in the present study. It was revealed that turn-on field was about $3.0\;V/{\mu}m$ with the current density of $0.1\;{\mu}A/cm^2.$ We observed relatively uniform emission characteristics as well as stable emission current Carbon nanotube-copper composite plating method is efficient and it has no intrinsic limit on the deposition area. Moreover, it gives strong adhesion between emitters and an electrode. Therefore, we recommend that carbon nanotube-copper composite plating method can be applied to fabricate electron field emitters for large area FEDs and large area vacuum lighting sources.
Keywords
Corbon nonofube-Copper structures; Composite plating; Emitter; Field emission;
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