A facile route to tungsten oxide nanomaterials with controlled morphology and structure

Hsuan Ching Lin, Cherng Yuh Su, Zhong Kun Yang, Chung Kwei Lin, Keng Liang Ou

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Various tungsten oxide-based nanomaterials have been prepared by a modified plasma arc gas condensation technique without the use of catalysts or substrates. These products could be obtained by controlling the processing parameters during experiment. All the as-obtained samples were characterized by field emission gun scanning electron microscopy, high-resolution transmission electron microscopy, and X-ray diffraction techniques. The results revealed that as-prepared tungsten oxide nanomaterials (WO3, W19O 55 and W5O14) with different phases and morphologies could be obtained by decreasing the oxygen content in the chamber. In addition, W18O49 nanotubes and nanorod bundles were fabricated by controlling the Ar/O2 ratio under He plasma gas. W 18O49/TiO2 core-shell nanoparticles were also prepared by evaporating a dual target. The experimental results showed that the present technique is unique and feasible for the fabrication of nanomaterials for use in different applications.

Original languageEnglish
Pages (from-to)517-521
Number of pages5
JournalParticuology
Volume9
Issue number5
DOIs
Publication statusPublished - Oct 2011

Fingerprint

tungsten oxides
Nanostructured materials
Tungsten
routes
Oxides
gases
Plasma Gases
plasma jets
nanorods
bundles
Plasmas
field emission
nanotubes
condensation
chambers
High resolution transmission electron microscopy
Nanorods
Gases
catalysts
Field emission

Keywords

  • Nanoparticle
  • Nanorods
  • Plasma arc gas condensation
  • Titanium oxide
  • Tungsten oxide

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

A facile route to tungsten oxide nanomaterials with controlled morphology and structure. / Lin, Hsuan Ching; Su, Cherng Yuh; Yang, Zhong Kun; Lin, Chung Kwei; Ou, Keng Liang.

In: Particuology, Vol. 9, No. 5, 10.2011, p. 517-521.

Research output: Contribution to journalArticle

Lin, Hsuan Ching ; Su, Cherng Yuh ; Yang, Zhong Kun ; Lin, Chung Kwei ; Ou, Keng Liang. / A facile route to tungsten oxide nanomaterials with controlled morphology and structure. In: Particuology. 2011 ; Vol. 9, No. 5. pp. 517-521.
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