期刊
CHEMICAL ENGINEERING JOURNAL
卷 383, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2019.123117
关键词
HOFs; Redox-active; Separation; Photochromism; Electrochromism
资金
- National Science Foundation of China [21871047, 21661001]
- Natural Science Foundation of Jiangxi Province of China [20181ACB20003]
- Doctoral Scientific Research Starting Foundation of East China University of Technology, Nanchang [DHBK2018044]
Hydrogen-bonded frameworks (HOFs) with permanent microporosity are still hard to obtain, due to the inherent nature of easy-to-collapse of HOF skeleton on solvent removal. On the other hand, tuning the electronic structure of HOFs by incorporating redox-active units for expanding the functionality of this class of material presents a waiting-for unveiled and highly desired field. In this work, the redox-active imide unit was utilized to construct HOF. The resultant HOF (namely ECUT-HOF-30) enables robust microporous structure of ca. 4.0 angstrom, performing effective separation of C2H2/CO2 via the unique molecular recognition from imide oxygen atoms. Whilst exciting optoelectronic active properties such as photochromism and electrochromism were observed in this HOF. The proof-of-concept results open up a gate for fundamental design of advanced HOFs with redox-active unit and versatility.
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