期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 123, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2020.108354
关键词
MOFs; Layer-by-layer assembly; Electrochromic; Thin film
资金
- National Natural Science Foundation of China [51972054]
- Graduate Student Innovation Fund of Donghua University [CUSF-DH-D-2019002]
- Fundamental Research Funds for the Central Universities [18D110308]
This study explores the potential application of Cu-3(HHTP)(2) MOF thin films in the field of electrochromism. By utilizing a layer-by-layer self-assembly method, thin films with controllable thickness were prepared, demonstrating excellent electrochemical properties.
Triphenylene-based metal-organic frameworks have shown broad research prospects in sensors, batteries, supercapacitors, catalysis and optoelectronics. However, a deficiency of controllable film-forming technology limits the further application of these MOFs. In this paper, Cu-3(HHTP)(2) MOF thin films with controllable thickness are prepared on the conductive glass surface with a layer-by-layer self-assembly method at room temperature. The results show that benefit from its porous structure, high electrochemical redox activity and low contact resistance with electrolyte, the Cu-3(HHTP)(2) films electrode show a fast coloring speed (about 3 s), good light modulation range (54% at 780 nm), and high coloring efficiency (632 cm(2) C-1). This work demonstrates the potential application of Cu-3(HHTP)(2) thin films in the electrochromic field.
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