Corannulene-based donor-acceptor-type conjugated polymers with electrochromic properties

被引:23
作者
Huang, Jing-Ju [1 ]
Lin, Hsing-An [2 ]
Chen, Chi [3 ]
Tang, Po-Wen [3 ]
Luo, Shyh-Chyang [1 ,4 ]
机构
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 10617, Taiwan
[2] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 2004444, Peoples R China
[3] Acad Sinica, Res Ctr Appl Sci, Taipei 115, Taiwan
[4] Natl Taiwan Univ, Adv Res Ctr Green Mat Sci & Technol, Taipei 10617, Taiwan
关键词
WARPED NANOGRAPHENE; DERIVATIVES; THIOPHENE; FUNCTIONALIZATION; POLYMERIZATION; FILMS;
D O I
10.1039/d1tc01420j
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
pi-Conjugated polymers have received increasing attention in electrochromic material research because their color change can be altered over a wide range by introducing electron-donor (D) and electron-acceptor (A) moieties. In this study, we have synthesized curved corannulene-based monomers with D and A moieties and applied them to prepare pi-conjugated polymers to drive color switching. The absorption and emission properties of our conjugated polymers can be tuned by inserting D and A moieties into the conjugated backbone. Through this study, it has been demonstrated that corannulene-based conjugated polymers exhibit stable electrochromic properties with a high optical contrast ratio. Furthermore, emissions in the solid state and reversible electrofluorescence switching are observed in these polymers. This might be due to the inhibition of aggregation-induced quenching through the incorporation of nonplanar corannulene in the pi-conjugated backbone. Based on these results, we consider corannulene-embedded pi-conjugated polymers as a new pi-conjugated system with versatile and tunable optical properties for application in modern optoelectronic devices.
引用
收藏
页码:7919 / +
页数:10
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