Effects of the electrode modification conditions on the performance of three-state electrochromic devices via spin-coating

L. WU, L. X. FEI, D. J. YANG, F. WU, X. L. PENG, Y. L. ZHU, S. P. SONG, Y. XIANG*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

1 Citation (Scopus)


Electrodeposition-based electrochromic devices capture numerous attentions due to their simple sandwich-type structure, facile and low-cost fabrication, and promising application. Herein, titanium dioxide (TiO2) nanoparticles were modified onto fluorine doped tin oxide (FTO) electrode via spin-coating technique with different rotation speed and precursor solution concentration, followed by sandwiching a suitable amount of gel electrolyte between the modified FTO electrode and a flat FTO electrode to fabricate the electrodeposition-based electrochromic device with reversible three-state optical transformation (transparent, mirror and black). A systematic study of correlation between electrode modification condition and morphological features of TiO2 thin films, as well as the performance of electrochromic devices, i.e. optical contrast, switching time, and cycling stability, were investigated. Optimized performances of three-stated electrochromic device could be obtained by properly manipulating the electrode modification conditions. The results in this study will provide valuable guidance for rational design of electrochromic device with satisfactory performance.

Original languageEnglish
Pages (from-to)7712-7727
Number of pages16
JournalInternational Journal of Electrochemical Science
Issue number8
Publication statusPublished - Aug 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 The Authors.


  • Electrochromic
  • Electrochromic Properties
  • Morphological Features
  • Precursor Solution Concentration
  • Rotation Speed
  • Spin-coating


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