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改善芘与共聚3,4-亚乙基二氧噻吩的电化学和电致变色性能。

Improving the Electrochemical and Electrochromic Properties of Copolymerized 3,4-Ethylenedioxythiophene with Pyrene.

作者信息

Wang Xiang, Jiang Haiyun, Gan Muling, Zhang Jun, Wu Ruomei, Zhang Weili, Wang Ziyi, Guo Minxi, Mu Yangfan

机构信息

School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, China.

National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Zhuzhou 412007, China.

出版信息

Polymers (Basel). 2024 Dec 30;17(1):69. doi: 10.3390/polym17010069.

DOI:10.3390/polym17010069
PMID:39795471
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11722773/
Abstract

Pyrene (Pr) was used to improve the electrochemical and electrochromic properties of polythiophene copolymerized with 3,4-ethylenedioxythiophene (EDOT). The corresponding product, poly(3,4-ethylenedioxythiophene-co-Pyrene) (P(EDOT-co-Pr)), was successfully synthesized by electrochemical polymerization with different monomer concentrations in propylene carbonate solution containing 0.1 M lithium perchlorate (LiClO/PC (0.1 M)). The homopolymer and copolymer films were analyzed by Fourier transform infrared spectroscopy (FT-IR), color-coordinate and colorimetric methods, cyclic voltammetry (CV), spectroelectrochemistry (SEC), and UV-visible spectroscopy (UV-Vis). Homopolymer poly(3,4-ethylenedioxythiophene) (PEDOT) and the P(EDOT-co-Pr) copolymer were investigated, which included examining their colorimetric, electrochemical, and electrochromic characteristics. The color shifts resulting from redox reactions of the polymers were also observed. The copolymers with different monomer concentrations achieved multicolor shifts, such as light purple, dark blue, dark red, green, and earthy yellow. Moreover, P(EDOT-co-Pr) had a small optical bandgap (1.74-1.83 eV), excellent optical contrast (31.68-45.96%), and high coloring efficiency (350-507 cm C). In particular, P(EDOT1-co-Pr3) exhibited outstanding cycling stability, retaining 91% of its initial optical contrast after cycling for 10,000 s, and it is expected to be a promising candidate copolymer for electrochromic applications.

摘要

芘（Pr）被用于改善与3,4-乙撑二氧噻吩（EDOT）共聚的聚噻吩的电化学和电致变色性能。通过在含有0.1 M高氯酸锂（LiClO₄/PC（0.1 M））的碳酸丙烯酯溶液中采用不同的单体浓度进行电化学聚合，成功合成了相应产物聚（3,4-乙撑二氧噻吩-共-芘）（P（EDOT-co-Pr））。通过傅里叶变换红外光谱（FT-IR）、颜色坐标和比色法、循环伏安法（CV）、光谱电化学（SEC）以及紫外-可见光谱（UV-Vis）对均聚物和共聚物薄膜进行了分析。对均聚物聚（3,4-乙撑二氧噻吩）（PEDOT）和P（EDOT-co-Pr）共聚物进行了研究，包括考察它们的比色、电化学和电致变色特性。还观察到了聚合物氧化还原反应引起的颜色变化。不同单体浓度的共聚物实现了多色变化，如浅紫色、深蓝色、深红色、绿色和土黄色。此外，P（EDOT-co-Pr）具有较小的光学带隙（1.74 - 1.83 eV）、优异的光学对比度（31.68 - 45.96%）和高显色效率（350 - 507 cm²/C）。特别是，P（EDOT₁-co-Pr₃）表现出出色的循环稳定性，在循环10000 s后仍保留其初始光学对比度的91%，有望成为电致变色应用中有前景的候选共聚物。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/846fbf7b9e94/polymers-17-00069-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/61053ea4b8b0/polymers-17-00069-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/f8e40fd2201f/polymers-17-00069-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/6fc2df139720/polymers-17-00069-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/95d1194e9c8d/polymers-17-00069-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/657f2f654fba/polymers-17-00069-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/efa1f32c09b4/polymers-17-00069-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/5c703c896996/polymers-17-00069-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/542fdf996234/polymers-17-00069-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/5edfb38f7dff/polymers-17-00069-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/846fbf7b9e94/polymers-17-00069-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/61053ea4b8b0/polymers-17-00069-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/f8e40fd2201f/polymers-17-00069-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/6fc2df139720/polymers-17-00069-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/95d1194e9c8d/polymers-17-00069-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/657f2f654fba/polymers-17-00069-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/efa1f32c09b4/polymers-17-00069-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/5c703c896996/polymers-17-00069-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/542fdf996234/polymers-17-00069-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/5edfb38f7dff/polymers-17-00069-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4c79/11722773/846fbf7b9e94/polymers-17-00069-g010.jpg

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