Characteristics of tungsten oxide thin films prepared on the flexible substrates using pulsed laser deposition

Yoshiaki Suda, Hiroharu Kawasaki, Tamiko Ohshima, Yoshihito Yagyuu

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Tungsten trioxide (WO3) thin films have been prepared on the flexible indium tin oxide (ITO) substrates by pulsed laser deposition (PLD) using WO3 targets in oxygen gas. Color of the WO3 film on the flexible ITO substrates depends on the oxygen gas mixture. The plasma plume produced by PLD using a Nd:YAG laser and WO3 target is investigated by temporal and spatial-resolved optical emission spectroscopy. WO3 films prepared on the flexible ITO substrates show electrochromic properties, even when the substrates are bent. The film color changes from blue to transparent within 10-20 s after the applied DC voltage is turned off.

Original languageEnglish
Pages (from-to)4397-4401
Number of pages5
JournalThin Solid Films
Volume516
Issue number13
DOIs
Publication statusPublished - May 1 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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