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Proceedings Paper

Electrochromic device based on D-A type viologen
Author(s): Mei Li; Jianming Zheng; Shen Chen; Chunye Xu
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Paper Abstract

Electrochromism is the phenomenon displayed by some color changing materials when a burst of charge is applied. Viologens (Vio) are cathodic electrochromic materials, and triphenylamines (TPA) are anodic electrochromic materials. Here, we reported a new electrochromic compound composed of Vio, TPA and phosphonic acid groups, thus the molecules can be anchored on electrode, which will lead to faster switching speed and high stability. An electrochromic device was assembled using the new Vio as primary electrochromes and Prussian blue as secondary electrochromes. The device exhibits high transparency. In addition, it shows fast switching speed and good stability.

Paper Details

Date Published: 13 April 2012
PDF: 6 pages
Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 84092B (13 April 2012); doi: 10.1117/12.924090
Show Author Affiliations
Mei Li, Univ. of Science and Technology of China (China)
Jianming Zheng, Univ. of Science and Technology of China (China)
Shen Chen, Univ. of Science and Technology of China (China)
Chunye Xu, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 8409:
Third International Conference on Smart Materials and Nanotechnology in Engineering
Jinsong Leng; Yoseph Bar-Cohen; In Lee; Jian Lu, Editor(s)

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