NDLI: Isoindigo-Thiophene D-A-D-Type Conjugated Polymers: Electrosynthesis and Electrochromic Performances.

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Isoindigo-Thiophene D-A-D-Type Conjugated Polymers: Electrosynthesis and Electrochromic Performances.

Content Provider	Europe PMC
Author	Cao, Jie Luo, Xiaoyu Zhou, Shenglong Wu, Zhixin Zhao, Qi Gu, Hua Wang, Wen Zhang, Zhilin Zhang, Kaiyue Li, Kaiyun Xu, Jingkun Liu, Ximei Lu, Baoyang Lin, Kaiwen
Editor	Pasini, Dario Zapotoczny, Szczepan
Copyright Year	2023
Abstract	Four novel isoindigo-thiophene D-A-D-type precursors are synthesized by Stille coupling and electrosynthesized to yield corresponding hybrid polymers with favorable electrochemical and electrochromic performances. Intrinsic structure-property relationships of precursors and corresponding polymers, including surface morphology, band gaps, electrochemical properties, and electrochromic behaviors, are systematically investigated. The resultant isoindigo-thiophene D-A-D-type polymer combines the merits of isoindigo and polythiophene, including the excellent stability of isoindigo-based polymers and the extraordinary electrochromic stability of polythiophene. The low onset oxidation potential of precursors ranges from 1.10 to 1.15 V vs. Ag/AgCl, contributing to the electrodeposition of high-quality polymer films. Further kinetic studies illustrate that isoindigo-thiophene D-A-D-type polymers possess favorable electrochromic performances, including high optical contrast (53%, 1000 nm), fast switching time (0.8 s), and high coloration efficiency (124 cm² C^-1). These features of isoindigo-thiophene D-A-D-type conjugated polymers could provide a possibility for rational design and application as electrochromic materials.
Journal	International Journal of Molecular Sciences [Int J Mol Sci]
Volume Number	24
DOI	10.3390/ijms24032219
PubMed Central reference number	PMC9916795
Issue Number	3
PubMed reference number	36768544
e-ISSN	14220067
Language	English
Publisher	Molecular Diversity Preservation International (MDPI)
Publisher Date	2023-01-22
Access Restriction	Open
Subject Keyword	isoindigo thiophene donor–acceptor–donor polymers electrochromic electrosynthesis
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Molecular Biology Spectroscopy Catalysis Computer Science Applications Medicine Inorganic Chemistry Organic Chemistry

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