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Effect of surface treatment of substrate on field emission characteristics of carbon nanotubes

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6 Author(s)
Keunsoo Lee ; Display & Nanosystem Lab., Korea Univ., Seoul, South Korea ; Yang Doo Lee ; Byung Hyun Kang ; Ki-Young Dong
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The field emission characteristics of patterned carbon nanotubes whose average diameter is 16nm cathodes on substrates with surface treatment were investigated. The surface treatment of the substrate was performed by nickel electroless plating. Carbon nanotubes were patterned on the surface treated substrate with radius of 200μm through conventional photolithography process. It was revealed that the different surface morphologies of the substrates have influence on the field emission characteristics in this study. Through the surface treatment, the roughness of the surface increased and cathode with a high roughness factor showed better field emission characteristics compared to non-treated ones.

Published in:

Electron Devices and Solid State Circuit (EDSSC), 2012 IEEE International Conference on

Date of Conference:

3-5 Dec. 2012