Microstructure of Laser-Fired, Sol-Gel-Derived Tungsten Oxide Films

D. J. Taylor, J. P. Cronin, L. F. Allard, Dunbar Birnie

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

Half-micron-thick tungsten oxide films were deposited by the sol-gel method onto indium tin oxide (ITO) coated soda lime silicate substrates. Following a 100 °C prebake, the samples were fired with a carbon dioxide laser at a variety of power densities and translation speeds. The laser-fired tungsten oxide films were characterized by spectrophotometry, electrochemistry, multiangle ellipsometry, and transmission electron microscopy and compared to similar furnace-fired films. The data showed an increase in electrochromic response with increased firing temperature up to the point where crystallization of the tungsten oxide retarded electrochromic response. A window with graded electrochromic properties was made by laser firing.

Original languageEnglish (US)
Pages (from-to)1396-1401
Number of pages6
JournalChemistry of Materials
Volume8
Issue number7
DOIs
StatePublished - Jan 1 1996

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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