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We fabricated the point emitter using a tip-treated carbon nanotube (CNT) fiber. The CNT point emitter showed the high emission current and good emission stability. It is considered that the excellent field emission properties are attributed to a large field enhancement factor caused by a large aspect ratio of the sharp tip of the point emitter and the tight binding of CNTs.
This paper outlines the fabrication and characterization of an immunosensor based on electrochemical, biological, and nano-material techniques to achieve high sensitive detection of Escherichia coli (E.coli). The working electrode consists of E.coli antibody/antigen/horse-radish peroxidase (HRP) labeled antibody immobilized on plasma-functionalized multiwalled carbon nanotube (pf-MWCNT) film. Immunosensors...
In this paper, we fabricated organic-free thin multi-walled CNT (thin-MWCNT) field emitters using a new filtration-transfer method. The method firstly forms the density-controlled thin-MWCNT film on a filter membrane by filtration and then transfers the film to a conductive adhesive tape. We evaluated and compared the genuine field emission properties of various CNT field emitters by using the filtration-transfer...
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