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High-current-density field emission display fabricated from single-walled carbon nanotube electron sources

Published online by Cambridge University Press:  30 April 2008

P. Zhao ,
X. F. Shang ,
Y. P. Ma ,
J. J. Zhou ,
Z. Q. Gu ,
Z. H. Li ,
Y. B. Xu  and
M. Wang
P. Zhao
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
X. F. Shang
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
Y. P. Ma
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
J. J. Zhou
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
Z. Q. Gu
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
Z. H. Li
Affiliation:
Department of Mechanics Zhejiang University, Hang Zhou 310027, P.R. China
Y. B. Xu
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
M. Wang*
Affiliation:
Department of Physics Zhejiang University, Hang Zhou 310027, P.R. China
*
miaowang@css.edu.cn
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Abstract

Single-walled carbon nanotubes can be used as electron sources in the process of field emission, and have great potential for practical application of the field emission display (FED) panels with large screen size. We fabricated a FED using the single-walled carbon nanotubes (SWNTs) as the cathode by the screen-printing process. Test showed that the SWNTs emitters exhibit excellent macroscopic emission properties. It has low turn-on voltage (2.7 V/μm) and high brightness, with a high current density of good uniformity and stability. It was observed that the field emission qualitatively follows the conventional Fowler–Nordheim (F–N) theory, and aging treatment played an important role in improving the image uniformity and stability. Compared to other complicated processes, the simple fabrication using screen-printing process seems to be advantageous for practical application.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 42 , Issue 3 , June 2008 , pp. 251 - 254
Copyright
© EDP Sciences, 2008

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