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Synthesis and Characterization of WS2 Nanoparticles by Chemical Vapor Condensation

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Abstract:

Nano-sized WS2 based powders were synthesized by chemical vapor condensation (CVC) process using tungsten carbonyl (W(CO)6) as precursor and vaporized sulphur. Prior to WS2 nanopowders synthesis, pure tungsten nanopowders were produced by chemical vapor condensation to define the optimum synthesis parameters, which were then successfully applied to synthesize tungsten disulphide. The influence of experimental parameters on phase and chemical composition as well as mean size of the particles in order to produce pure tungsten and WS2 nanopowders was studied. Structure, phase composition and particles size of WS2 nanoparticles were precisely characterized by means of XRD, FESEM and TEM.

Keywords: CHEMICAL VAPOR CONDENSATION; NANOPOWDER; SOLID LUBRICANT; TUNGSTEN DISULPHIDE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.1534

Publication date: January 1, 2010

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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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