Multielectrochromic Copolymers Based on Thiophene Derivatives: Tunable Optoelectronic Properties 


Vol. 23,  No. 9, pp. 2517-2525, Sep.  2022
10.1007/s12221-022-4028-0


  Abstract

In this study, a series of copolymers based on 3-methoxythiophene(MOT) and 3,4-ethylenedioxythiophene (EDOT) have been prepared by electrochemical method in boron trifluoride diethyl etherate (BFEE). The copolymers are characterized by FTIR, XPS, SEM and cyclic voltammograms. The MOT/EDOT ratio in the polymer chain decreases with the decreasing MOT/EDOT feed ratio, and low polymerization potential incorporates more EDOT units into the polymer chain. The electrochromic properties of the copolymers can be greatly tuned by the applied MOT/EDOT feed ratio. Absorption peak of the neutral copolymer presents red-shift with increasing feed ratio, and each copolymer has multicolor electrochromism. In addition, the copolymers present fast-switching response, reasonable coloration efficiency and good stability. All these indicate that the copolymers based on facile, commercial MOT and EDOT are promising candidates for electrochromic applications.

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  Cite this article

[IEEE Style]

Y. Guo, Y. Tao, G. Liang, M. Dong, M. Wang, X. Hao, "Multielectrochromic Copolymers Based on Thiophene Derivatives: Tunable Optoelectronic Properties," Fibers and Polymers, vol. 23, no. 9, pp. 2517-2525, 2022. DOI: 10.1007/s12221-022-4028-0.

[ACM Style]

Yafei Guo, Yijie Tao, Gaoyong Liang, Mengjie Dong, Meihui Wang, and Xinmin Hao. 2022. Multielectrochromic Copolymers Based on Thiophene Derivatives: Tunable Optoelectronic Properties. Fibers and Polymers, 23, 9, (2022), 2517-2525. DOI: 10.1007/s12221-022-4028-0.

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pISSN : 1229 - 9197
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