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http://dx.doi.org/10.3740/MRSK.2004.14.11.807

Effect of CNT Particle Dispersion in CNT Paste on Field Emission Characteristics in Carbon Nanotube Cathode  

Ahn B. G. (Division of Material Science and Engineering, Pusan National University)
Seung M. S. (Division of Material Science and Engineering, Pusan National University)
Shin H. Y. (Division of Material Science and Engineering, Pusan National University)
Kim D. H. (Division of Material Science and Engineering, Pusan National University)
Kim T. S. (Division of Material Science and Engineering, Pusan National University)
Cho Y. R. (Division of Material Science and Engineering, Pusan National University)
Publication Information
Korean Journal of Materials Research / v.14, no.11, 2004 , pp. 807-812 More about this Journal
Abstract
The uniformity of emission mage and field emission properties of carbon nanotube(CNT) cathodes dependence on CNT particle dispersion were investigated for field emission displays. We used multi-walled carbon nanotubes (MWNTs) synthesized by CVD method as the field emitter materials. CNT dispersion in CNT ink was carried out by ultrasonication and shaking methods. According to CNT dispersion conditions, the uniformity of emission image and field emission properties of CNT cathodes were greatly affected. The smaller particles of filler materials and CNT powders provide the better properties of the CNT cathodes.
Keywords
particle distribution; filler materials; carbon nanotube; field emission; screen printing;
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