Jump to main content
Jump to site search

Issue 14, 2011
Previous Article Next Article

Hydrothermally synthesized WO3 nanowire arrays with highly improved electrochromic performance

Author affiliations

Abstract

A hexagonal WO3 nanowire array film is obtained using a template-free hydrothermal method by adding ammonium sulfate as a capping agent. The WO3 nanowires grown vertically on a FTO-coated glass substrate are woven together at the surface of the film, forming well-aligned arrays at the bottom part and a porous surface morphology. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) reveal that each nanowire is a hexagonal single crystal and their long axes are oriented toward the [0001] direction. Due to the highly porous surface, good contact with the conductive substrate and large tunnels of the hexagonal-structured WO3, a fast switching speed of 7.6 and 4.2 s for coloration and bleaching, respectively, and a high coloration efficiency of 102.8 cm2Cāˆ’1 are achieved for the WO3 nanowire array film.

Graphical abstract: Hydrothermally synthesized WO3 nanowire arrays with highly improved electrochromic performance

Back to tab navigation

Supplementary files

Publication details

The article was received on 14 Dec 2010, accepted on 11 Feb 2011 and first published on 24 Feb 2011


Article type: Paper
DOI: 10.1039/C0JM04361C
Citation: J. Mater. Chem., 2011,21, 5492-5498
  •   Request permissions

    Hydrothermally synthesized WO3 nanowire arrays with highly improved electrochromic performance

    J. Zhang, J. Tu, X. Xia, X. Wang and C. Gu, J. Mater. Chem., 2011, 21, 5492
    DOI: 10.1039/C0JM04361C

Search articles by author

Spotlight

Advertisements