Existence of electrochromic reversibility at the 1000th cyclic voltammetry for spin coating WO3 film

D. R. Sahu, Cheng Yen Hung, Sheng Chang Wang, Jow Lay Huang

研究成果: Article

6 引文 斯高帕斯(Scopus)

摘要

The precursor solutions prepared using sol-gel method are used for the synthesis of WO3 films by spin coating method. The onset of the crystalline phase of WO3 occurs at 400 °C and it becomes completely crystalline at 500 °C. However, the amorphous film shows an excellent transmittance modulation effect on the visible light than that of crystalline film. The film shows electrochemical reversibility up to 1000th cycle voltammetry and excellent electrochromic behavior. The electrochromic properties of WO3 film deteriorate after annealing of the crystalline film but their chemical stability is better than the amorphous films. The crystalline film decays very slowly after electrochemical cycles. The electrochromic activity of the studied film indicates that the film has the potential to be used for smart window applications.

原文English
頁(從 - 到)3227-3233
頁數7
期刊Ionics
23
發行號11
DOIs
出版狀態Published - 2017 十一月 1

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

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