Preparation and characterization of tungsten oxynitride nanowires

Y. M. Zhao, W. B. Hu, Y. D. Xia, E. F. Smith, Y. Q. Zhu, C. W. Dunnill, D. H. Gregory

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)

Abstract

Tungsten oxynitride nanowires were generated by the reaction of ammonia with ultra-thin tungsten oxide nanowires which were themselves prepared by a simple solvo-thermal treatment of tungsten chloride in a cyclohexanol solvent. The resulting tungsten oxynitride nanowires exhibited a high specific surface area of 221 m2 g-1, even exceeding that of 151 m 2 g-1 for the bundled and ultra-thin tungsten oxide nanowire precursor. The observed weak, temperature-independent paramagnetism indicates that the tungsten oxynitride nanowires are metallic, but no superconducting transition was observed above 2 K.

Original languageEnglish
Pages (from-to)4436-4440
Number of pages5
JournalJournal of Materials Chemistry
Volume17
Issue number41
DOIs
Publication statusPublished - Oct 22 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

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