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Synthesis and Field Emission Characterization of Titanium Nitride Nanowires

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Abstract:

Single crystalline titanium nitride nanowires have been successfully synthesized through a chloride-assisted carbon thermal reduction method using the active carbon, TiO2 and NaCl powders as precursors and cobalt nanoparticles as catalyst. The products were characterized by X-ray diffraction, electron microscopy, and energy-dispersive X-ray spectroscopy. The TiN nanowires possess a cubic structure with typical diameter of 20–60 nm and length up to microns. The field emission property of the TiN nanowires has been characterized for the first time, which follows the conventional Fowler-Nordheim behavior and shows the low turn-on field of 7.1 V m−1 and good emission stability, indicating the potential applications. The formation mechanism of the TiN nanowires has also been discussed.

Keywords: CARBON THERMAL REDUCTION REACTION; FIELD EMISSION; TITANIUM NITRIDE NANOWIRES; VAPORNDASHLIQUIDNDASHSOLID (VLS); VAPORNDASHSOLID (VS)

Document Type: Short Communication

DOI: http://dx.doi.org/10.1166/jnn.2007.686

Publication date: August 1, 2007

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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