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The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline

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2013
Authors
Gavrilov, Nemanja M.
Pasti, Igor
Krstić, Jugoslav
Mitrić, Miodrag
Ciric-Marjanovic, Gordana
Mentus, Slavko
Article (Published version)
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Abstract
Single phase tungsten carbide nanoparticles (WC-NPs), (mean particle diameter 5.4 nm), distributed over carbonized polyaniline (C-PANT) nanotubes/nanosheets were synthesized by a solid state reaction between WO3 and nitrogen-rich carbonized polyaniline at 1000 degrees C in a reducing atmosphere. The resulting composite was characterized by X-ray diffractometry, electron microscopy, thermogravimetry in oxidizing and reduction atmospheres and elemental analysis. We suggested that the synthesis of WC as a single phase was facilitated by reactive C atoms with dangling bonds, formed upon nitrogen removal.
Keywords:
Nanocomposite / Tungsten carbide / Nitrogen depletion / Carbonized polyaniline
Source:
Ceramics International, 2013, 39, 8, 8761-8765
Publisher:
  • Elsevier Sci Ltd, Oxford
Projects:
  • Lithium-ion batteries and fuel cells - research and development (RS-45014)
  • Electroconducting and redox-active polymers and oligomers: synthesis, structure, properties and applications (RS-172043)
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)
  • Serbian Academy of Sciences and Arts

DOI: 10.1016/j.ceramint.2013.04.062

ISSN: 0272-8842

WoS: 000325835100026

Scopus: 2-s2.0-84883749039
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1261
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