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Optica Publishing Group
  • Journal of Display Technology
  • Vol. 12,
  • Issue 2,
  • pp. 109-114
  • (2016)

A Study on Electrochemical and Optical Characteristics of ${{WO}}_{1-x}$ Electrochromic Thin Film Prepared by Different Constant Potentials and Deposition Time

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Abstract

In this study, the electrochromic thin film of tungsten oxide $({{WO}}_{1-x})$ was electrodeposited on indium tin oxide/glass (ITO/Glass) by potentiostatic method. The electrochemical characteristic and optical characteristic were analyzed by different deposition time, and the electrochromic behaviors of the ${{WO}}_{1-x}/{{ITO}}/{{Glass}}$ were performed in a 0.1 M lithium perchlorate/propylene carbonate (LiClO $_{4}$ /PC) electrolyte. The deposition time of ${{WO}}_{1-x}$ thin film was set at 1200 seconds, which optimal transmittance variation $(\Delta{\rm T}{\%})$ , and coloration efficiency $(\eta)$ were 73.2% and 53.4 cm $^{2}$ /C, respectively.

© 2015 IEEE

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