Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 13, Pages 4494-4498Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b01320
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Funding
- National Natural Science Foundation of China [21571079, 21621001, 21261130584, 21390394, 21571076, 21571078]
- 111 project [B07016, B17020]
- Ministry of Education, Science and Technology Development Center Project [20120061130012]
- program for JLU Science and Technology Innovative Research Team
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Covalent organic frameworks (COFs) are an emerging class of porous crystalline polymers with wide range of potential applications. However, the availability of three-dimensional (3D) COFs is still limited, and their synthesis is confined to the high-temperature solvothermal method. Here, we report for the first time a general and simple strategy to produce a series of 3D ionic liquid (IL) containing COFs (3D-IL-COFs) by using IL as a green solvent. The syntheses are carried out at ambient temperature and pressure accompanied by a high reaction speed (e.g., only three mins for 3D-IL-COF-1), and the IL can be reused without activity loss. Furthermore, the 3DIL-COFs show impressive performance in the separation of CO2/N-2 and CO2/CH4. This research thus presents a potential pathway to green large-scale industrial production of COFs.
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