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Vertical Aligned CNT Growth on Metals for Direct Use With Electrical Conductance

Published online by Cambridge University Press:  01 February 2011

Jin-Ju Kim
Affiliation:
pearlkims@kangwon.ac.kr, Kangwon National University, Department of Advanced Materials Science and Engineering, Chuncheon, Korea, Republic of
Byeong-Joo Lee
Affiliation:
leebj@kangwon.ac.kr, Kangwon National University, Department of Advanced Materials Science and Engineering, Chuncheon, Korea, Republic of
Goo-Hwan Jeong
Affiliation:
ghjeong@kangwon.ac.kr
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Abstract

We present growth of vertically aligned carbon nanotube (VCNT) on metal substrates such as Cu foils, Inconel 600 and stainless steel (SUS316L) using thermal chemical vapor deposition (TCVD) in order to get a low contact resistance at interface between CNT and substrates for future applications. The temperature range for VCNT growth was 700-775 °C and mixtures of acetylene, argon and hydrogen were used as processing gas. The tube length was controlled by growth time and temperature. Finally, we successfully grew the VCNT on Cu foils over 1 cm2 and confirmed the excellent electrical conductance which can be directly used as anodic electrode in lithium ion battery. On the other hand, the growth of VCNT on Inconel 600 or SUS316L sheets was carried out as purchased. These tubes are expected to be useful for field emission devices.

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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