Observation of optical density modulation based on electrochromic tantalum oxide films

Chao Yi Tai, Jia Yuan Wu

研究成果: 雜誌貢獻期刊論文同行評審

7 引文 斯高帕斯(Scopus)

摘要

We successfully used the sol-gel method to synthesize crack-free electrochromic (EC) tantalum pentoxide coatings on indium tin oxide glass at room temperatures. Colouring and bleaching states can be reversibly obtained with an applied voltage as low as 3.2 V. The achieved optical density modulation between the two states is estimated to be larger than 15%, which is the highest value among the reported tantalum oxide based EC films to date. Anomalous coloration, which is independent of the polarity of the biased voltage, is observed and explained by the double injection mechanism.

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文章編號065303
期刊Journal of Physics D: Applied Physics
41
發行號6
DOIs
出版狀態已出版 - 21 3月 2008

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