Study of electrochromic property of ethyl violet/ionic liquid composite electrolyte

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  • 1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,Donghua University,Shanghai 201620;
    2. College of Environmental Science and Engineering,Donghua University,Shanghai 201620

Received date: 2019-11-27

  Revised date: 2021-03-17

  Online published: 2021-06-29

Abstract

A gel-state electrolyte was prepared by controlling the proportion of [EMIM]TF2N in the electrolyte.The conductivity of the electrochromic ion gel was characterized by electrochemical devices.The optimized volume ratios of PC∶[EMIM]TF2N was 1∶3,which resulted in highest conductivity.Electrochromic thin film,based on ethyl viologen,was integrated with gel-state electrolyte,which was further assembled into electrochromic devices.The result shown that the electrochromic devices presented excellent electrochromic properties at the volume ratios of PC∶[EMIM]TF2N = 1∶3.Light modulation range up to 61%,The coloring time and fading time were 26s and 35s respectively,The coloration efficiency was 180.5cm2/C.

Cite this article

Liu Zihao, Li Xianying, Hou Chengyi, Zhang Qinghong, Li Yaogang, Wang Hongzhi . Study of electrochromic property of ethyl violet/ionic liquid composite electrolyte[J]. New Chemical Materials, 2021 , 49(6) : 103 -107 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.06.023

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