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Field Emission Properies of CNTs Treated by Helium Plasma

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Abstract:

This paper presented a novel post-treatment method of He plasma,which could effectively improve the field emission characteristics of screen-printed CNTs cathodes. Notable changes in the surface morphologies of screen-printed CNTs cathodes were investigated by scanning electron micro scope (SEM) as the f unction of treatment by He plasma.The results showed the post-treated CNTs cathodes hold lower turn-on electric field,higher field emission current density,more emission sites,and better uniformity than those of untreated ones.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

4008-4011

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.4008

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Online since:

October 2011

Authors:

Shao Lin Xue, Shu Xian Wu, Ran Huang, Zi Xin Jiang, Jian Fang Fang

Keywords:

Carbon Nanotube (CN), Energy-Efficient Lighting Products, Field Emission, Plasma

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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