Tungsten oxide nanorods synthesized by a modified plasma arc gas condensation technique

Cheng Yu Su, Zong Kun Yang, Zhong Kui Lin, Wen Lin

Research output: Contribution to journalArticle

Abstract

In the present study, tungsten oxide nanorods were prepared by a plasma arc gas condensation technique where a gas nozzle was introduced to provide blowing gas. With the aid of the blowing gases, tungsten oxide nanorods can be prepared under various chamber pressures ranging from 26.7 to 101.3 kPa. The diameter and production rate of the nanorods are proportional increase to chamber pressure. For the chamber pressure from 26.7 to 101.3 kPa, the production rate of the nanorods is significantly increased from 0.383 to 0.729 g / h. In addition, the mean grain size only changes from 13.2 to 28.4 nm. The tansimission electron microscope (TEM) images reveal that tungsten oxide nanorod is the single crystalline structure with the lattice spacing of 0.38 nm and the growth of crystal plane is along [010]. The vapor-solid model is preferred to explain the growth mechanism.

Original languageEnglish
Pages (from-to)219-223
Number of pages5
JournalGuocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering
Volume6
Issue numberSUPPL. 2
Publication statusPublished - Dec 2006
Externally publishedYes

Fingerprint

Nanorods
Tungsten
Condensation
Gases
Plasmas
Oxides
Blow molding
Crystallization
Crystal lattices
Nozzles
Electron microscopes
Vapors
tungsten oxide
Crystalline materials
Crystals

Keywords

  • Nanorods
  • Plasma arc gas condensation
  • Target
  • Tungsten oxide

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Tungsten oxide nanorods synthesized by a modified plasma arc gas condensation technique. / Su, Cheng Yu; Yang, Zong Kun; Lin, Zhong Kui; Lin, Wen.

In: Guocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering, Vol. 6, No. SUPPL. 2, 12.2006, p. 219-223.

Research output: Contribution to journalArticle

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