Synthesis and Applications of gamma-Tungsten Oxide Hierarchical Nanostructures

Jiefu Yin, Huaqiang Cao*, Jingxian Zhang, Meizhen Qu, Zhongfu Zhou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

70 Citations (SciVal)

Abstract

gamma-WO3 hierarchical nanostructures were synthesized by using a biomolecule-assisted hydrothermal approach between Na2WO4 center dot 2H(2)O and glycine acid (HOOC-CH2-NH2) in HCl solution. The phase, structure, and morphology of the as-synthesized products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution TEM (HRTEM), Fourier transform infrared (FT-IR) spectroscopy, ultraviolet-visible (UV-vis) spectroscopy, and photoluminescence (PL) spectroscopy. The as-synthesized gamma-WO3 nanostructures exhibit super-hydrophobicity, photocatalytic activity, and enhanced anode performance for lithium ion batteries with three times the capacity of commercial graphite per unit volume, which may open up a wide range of potential applications in environmental protection and energy storage.

Original languageEnglish
Pages (from-to)759-769
Number of pages11
JournalCrystal Growth and Design
Volume13
Issue number2
Early online date18 Dec 2008
DOIs
Publication statusPublished - Feb 2013

Keywords

  • LITHIUM BATTERIES
  • PHOTOCATALYTIC PERFORMANCE
  • WO3 THIN-FILMS
  • ROOM-TEMPERATURE
  • ASSISTED SYNTHESIS
  • ION BATTERIES
  • SUPERHYDROPHOBICITY
  • GROWTH
  • NANOCRYSTALS
  • HIGH-POWER

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