Electrochromic properties of nanostructured tungsten oxide films prepared by surfactant-assisted sol-gel process

Ching Lin Wu, Chun Kai Wang, Chung Kwei Lin, Sheng Chang Wang, Jow Lay Huang

研究成果: Article

24 引文 斯高帕斯(Scopus)

摘要

Pristine and surfactant F-127 added tungsten oxide films have been prepared successfully by sol-gel method using PTA as the precursor sol. After annealing at 300°C, amorphous WO3 films with or without F-127 additions were prepared. The F-127-added tungsten oxide films exhibit porous microstructure, which are affected by the amount of F-127 addition. Nanosized microstructure with pore size less than 10nm can be observed with small amount of F-127 addition (less than 0.06g/ml) , where as larger spherical or tubular pores are found with superfluous F-127 addition (higher than 0.08g/ml). Not only the transmittance modulation but also the coloration efficiency can be improved by adding surfactant F-127. Tungsten oxide film with 0.10g/mlF-127 addition exhibits the best electrochromic performance with a transmittance modulation of 67.6% and a coloration efficiency of 38.3cm2C-1.

原文English
頁(從 - 到)403-407
頁數5
期刊Surface and Coatings Technology
231
DOIs
出版狀態Published - 2013 九月 25

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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