Optoelectronic/memory storage properties of triphenylamine-based dual-function electrochromic materials

被引：17
作者：
Chang, Lijing [1 ,2 ]
Hou, Yanjun [1 ,2 ]
Bai, Ju [1 ,2 ]
Xu, Haoran [1 ,2 ]
Zhang, Yuhang [1 ,2 ]
Miao, Shoulei [2 ]
Wang, Cheng [2 ,3 ]
机构：
[1] Heilongjiang Univ, Key Lab Chem Engn Proc & Technol High Efficiency, Coll Heilongjiang Prov, Harbin 150080, Peoples R China
[2] Heilongjiang Univ, Sch Chem & Mat Sci, Harbin 150080, Peoples R China
[3] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2022年 / 275卷
基金：
中国国家自然科学基金; 黑龙江省自然科学基金;
关键词：
Triphenylamine; Dual-function materials; Electrochromism; Memory storage performance; ELECTROCHEMICAL POLYMERIZATION; POLYIMIDES; FILMS;
D O I：
10.1016/j.matchemphys.2021.125196
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two electrochromic polymers containing triphenylamine groups with memory storage function were synthesized. The structures of the polymers have been characterized in detail. The polymers had good solubilities, excellent thermal stabilities and high fluorescence intensities. The reversible redox peak can also be clearly observed in the cyclic voltammogram, and the electrochromic color contrast was obvious. In addition, the polymers can also be used as memory storage materials with excellent "write-read-erase-rewrite" performance. Among them, the P2 film presented noticeable color changed from light yellow to pine green during the voltage 0 V-1.4 V, the coloring time was 3.3 s and the bleaching time was 3.7 s, the coloration efficiency was 207 cm(2) C-1. The ON/OFF current ratio of P2 was 10(3.1) and the threshold voltage of P2 was 0.91 V. The results showed that these polymers have broad application prospects in the field of dual-function materials.
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页数：11
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