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Preparation of Carbon Nano-Materials Using Arc Discharge in Liquid

Published online by Cambridge University Press:  26 February 2011

Y. Suda ,
H. Kawasaki ,
T. Ohshima ,
S. Nakashima ,
S. Kawazoe  and
T. Toma
Y. Suda
Affiliation:
Department of Electrical Engineering, Sasebo National College of Technology Okishin 1–1, Sasebo, Nagasaki 857–1193, Japan
H. Kawasaki
Affiliation:
Department of Electrical Engineering, Sasebo National College of Technology Okishin 1–1, Sasebo, Nagasaki 857–1193, Japan
T. Ohshima
Affiliation:
Department of Electrical Engineering, Sasebo National College of Technology Okishin 1–1, Sasebo, Nagasaki 857–1193, Japan
S. Nakashima
Affiliation:
Department of Electrical Engineering, Sasebo National College of Technology Okishin 1–1, Sasebo, Nagasaki 857–1193, Japan
S. Kawazoe
Affiliation:
Japan Nanotech. Co. Ltd., Masuragahama 147–40, Omura, Nagasaki 856–0022, Japan
T. Toma
Affiliation:
Japan Nanotech. Co. Ltd., Masuragahama 147–40, Omura, Nagasaki 856–0022, Japan
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Abstract

Carbon nanomaterials have been prepared using a simple production method of pulsed arc discharge between pure graphite electrodes in liquid. High-resolution transmission electron microscopy observation revealed that two kinds of nanomaterials can be produced in liquid. One of them is powdery products floating on the water surface, and another one is bulky deposits sank down in the water bottom. Some of them have multi-walled carbon nanofibers. Mean diameter of the nanofibers was approximately 30 nm. Optical emission of C+(426.7nm), Hα(656.3nm), Hβ(486.1nm), Hγ(434.0nm), C2 swan bands and CO(457.1nm) can be observed in the arc discharge by using photonic multichannel spectral analyzer. These results indicate that the carbon nanomaterials have been produced by pulsed arc discharge in liquid.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 829: Symposium B – Progress in Compound Semiconductor Materials IV – Electronic and Optoelectronic Applications , 2004 , B9.17
Copyright
Copyright © Materials Research Society 2005

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References

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