期刊
ADVANCED SCIENCE
卷 8, 期 21, 页码 -出版社
WILEY
DOI: 10.1002/advs.202101944
关键词
aqueous electrolyte; coordination polymer; electrochromism; electropolymerization; 1D; zinc batteries
资金
- NTU Research Scholarship - Nanyang Technological University
- Campus for Research Excellence and Technological Enterprise (CREATE) - National Research Foundation, Prime Minister's Office, Singapore
In this study, a rationally designed iron terpyridyl coordination polymer was prepared by controlled electropolymerization for aqueous-compatible electrochromic and energy storage applications. The polymer exhibited rapid charge-transfer kinetics and predominant capacitive behavior, leading to the demonstration of an integrated hybrid electrochromic zinc battery device with high color contrast, fast response time, and good endurance.
Organic materials are always viewed as promising electrochromic (EC) materials due to their synthetic versatility, color tunability, ready processability, and derivability from sustainable feedstocks. Most organic materials, however, are prone to undesirable redox side reactions in the presence of oxygen and water. As such, redox-active organic layers are often used in tandem with organic electrolytes to preserve their electrochemical stability. With the growing interest in electronics that are environmentally sustainable and biologically safe, developing aqueous-compatible organic materials is gaining growing interest. Herein, a rationally designed iron terpyridyl coordination polymer (CP) is prepared by controlled electropolymerization for realization of aqueous compatible EC and energy storage applications. Detailed analysis is established, showing that the CP grows in a 1D fashion and exhibits a predominant capacitive behavior which is reflected from its rapid charge-transfer kinetics. Taking this as an advantage, an integrated hybrid electrochromic zinc battery device is demonstrated with high color contrast, fast response time, and good endurance.
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