Electrochromic device based on D-A type viologen

Mei Li; Jianming Zheng; Shen Chen; Chunye Xu

doi:10.1117/12.924090

12 April 2012 Electrochromic device based on D-A type viologen

Mei Li, Jianming Zheng, Shen Chen, Chunye Xu

Proceedings Volume 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering; 84092B (2012) https://doi.org/10.1117/12.924090
Event: Third International Conference on Smart Materials and Nanotechnology in Engineering, 2011, Shenzhen, China

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.

Citation Download Citation

Mei Li, Jianming Zheng, Shen Chen, and Chunye Xu "Electrochromic device based on D-A type viologen", Proc. SPIE 8409, Third International Conference on Smart Materials and Nanotechnology in Engineering, 84092B (12 April 2012); https://doi.org/10.1117/12.924090

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