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Growth of Carbon Nanofibers on Electroless Ni-P Alloy Catalyst

Published online by Cambridge University Press:  11 February 2011

T.K. Tsai ,
W.L. Liu ,
S.H. Hsieh  and
W.J. Chen
T.K. Tsai
Affiliation:
Department of Materials Science and Engineering, National Huwei Institute of Technology, Huwei, Yunlin, Taiwan 632, Republic of China
W.L. Liu
Affiliation:
Department of Materials Science and Engineering, National Huwei Institute of Technology, Huwei, Yunlin, Taiwan 632, Republic of China
S.H. Hsieh
Affiliation:
Department of Materials Science and Engineering, National Huwei Institute of Technology, Huwei, Yunlin, Taiwan 632, Republic of China
W.J. Chen
Affiliation:
Department of Materials Science and Engineering, National Huwei Institute of Technology, Huwei, Yunlin, Taiwan 632, Republic of China
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Abstrate

Carbon nanotubes (CNTs) were grown by electroless Ni-P plated on silicon substrate in a microwave heating chemical vapor deposition (CVD) system with methane gas at 700 °C. The CNTs grown on Ni–P catalyst showed random orientation and small diameter around 15–30 nm. Field emission test results indicated that the Ni–P catalyzed-CNTs exhibited excellent field emission properties. The turn-on field was about 0.56 V/μm with an emission current density 10 μA/cm2 and the threshold field was 4.4 V/μm with an emission current density 10 mA/cm2. These excellent field emission properties may be attributed to the random orientation and small diameter of CNTs.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 740: Symposium I – Nanomaterials for Structural Applications , 2002 , I12.8
Copyright
Copyright © Materials Research Society 2003

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References

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