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http://dx.doi.org/10.3740/MRSK.2007.17.3.173

Study of Surface Treatments on Field Emission Properties for Triode-Type Carbon Nanotube Cathodes  

Lee, Ji-Eon (School of Materials Science and Engineering, Pusan National University)
An, Young-Je (School of Materials Science and Engineering, Pusan National University)
Lee, Je-Hyun (Defense Agency for Technology and Quality)
Chung, Won-Sub (School of Materials Science and Engineering, Pusan National University)
Cho, Young-Rae (School of Materials Science and Engineering, Pusan National University)
Publication Information
Korean Journal of Materials Research / v.17, no.3, 2007 , pp. 173-178 More about this Journal
Abstract
Carbon nanotube cathodes(CNT cathodes) with a trench structure similar to gated structure of triode-type cathode were fabricated by a screen printing method using multi-walled carbon nanotubes. The effects of surface treatments on CNT cathodes were investigated for high efficiency field emission displays(FEDs). A liquid method easily removed the organic residue and protruded the CNTs. Field emission properties were measured by using a diode-type mode. The liquid method produced a turn-on field of $1.4V/{\mu}m$. The emission current density was measured about $3.1mA/cm^{2}$ at the electric field of $3V/{\mu}m$. The liquid method showed a high potential applicable to the surface treatment for triode-type FEDs.
Keywords
surface treatment; liquid method; field emission; CNT emitter; screen print;
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