Operation mechanism investigation of electrochromic display devices using tungsten oxides based on solid-state metal-oxide-metal capacitor structures

Chin Pao Cheng*, Yi Kuo, Chun Hu Cheng, Zhi Wei Zheng

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

In this work, we investigate the electrochromic effect of WO3 electrochromic display device and operation mechanism based on a solid-state TaN/WO3/ITO metal-oxide-metal capacitor. The electrochromic switching mechanism correlated with the oxygen vacancy concentration was proposed and well-predicted. The experimental results reveal that electrochromic device using electrodeposited WO3 without post annealing exhibits the much better coloration and bleach process than those of annealed sample. The cycling test of WO3 metal-oxide-metal capacitor also demonstrates that the degradations of current/voltage distributions are mainly originated from randomly distributed connected paths consisting of oxygen vacancies. Thus, oxygen vacancies formed during WO3 electrodeposition process or post film annealing need to be well controlled.

原文英語
頁(從 - 到)16-20
頁數5
期刊Solid-State Electronics
99
DOIs
出版狀態已發佈 - 2014 九月

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學
  • 電氣與電子工程
  • 材料化學

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