Fabrication Of Clean Carbon Nanotube Field Emitters
APPLIED PHYSICS LETTERS(2006)
Abstract
We have developed a method for fabricating a good carbon nanotube (CNT) field emitter using electrophoretic deposition and fissure formation techniques. A thin film of CNTs was deposited on a Ti substrate, by electrophoresis, from an aqueous mixture of CNT and detergent, dried naturally, and then pressed on the surface to make it smooth. By firing, it was changed to numerous microsized islands. As a result very clean CNT tips were generated from the fissures formed. The film showed good field emission properties. Our method affords a process of simple steps and does not need any postdeposition or activation process for field emission. (c) 2006 American Institute of Physics.
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Key words
carbon nanotube,thin film,field emission
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