期刊
CHEMICAL ENGINEERING JOURNAL
卷 422, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2021.130057
关键词
Electrochromic devices; Viologen; Ionic liquid; Smart windows; E-price tag
资金
- Natural Science Foundation of China [21875180, 21704081]
- Cyrus Chung Ying Tang Foundation
- Research Fund Program of Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices [2019B121203003]
This study reported a series of electrochromic composites consisting of chalcogenoviologen-based ionic liquids and ferrocene-based ionic liquids, showing multiple colors, fast switching times, high color contrast ratio, good reversibility, and cycle stability. These composites can be used to make smart windows and flexible display devices, providing new possibilities for intelligent life.
A series of electrochromic composites consisting of chalcogenoviologen-based ionic liquids ([C6EVC6][TFSI]2, E = S, Se, Te) and ferrocene-based ionic liquids ([FcC11ImC1][TFSI]) is reported. Electrochromic devices (ECDs) filled with these composites were assembled, demonstrating multiple colors under different voltages, fast switching times, high color contrast ratio, good reversibility and cycle stability. ECDs working as smart windows on a module house could slow down the room temperature rising in hot weather through changing color. In addition, the eye-catching E-price tag and flexible display devices which can show information dynamically, were assembled successfully. This contribution provided a new kind of electrochromic composites-based smart device for intelligent life.
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