Ionic Liquids-Functionalized Zeolitic Imidazolate Framework for Carbon Dioxide Adsorption

被引：23
|
作者：
Song, Xuyan [1 ,2 ]
Yu, Jialin [2 ]
Wei, Min [1 ]
Li, Ran [1 ]
Pan, Xi [1 ]
Yang, Guoping [2 ]
Tang, Haolin [2 ]
机构：
[1] Hubei China Tobacco Ind Co LTD, Technol Ctr, Wuhan 430051, Hubei, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
来源：
MATERIALS | 2019年 / 12卷 / 15期
关键词：
ionic liquid; zeolitic imidazolate framework; adsorption; carbon dioxide; micropores; METAL-ORGANIC FRAMEWORKS; CO2; CAPTURE; AMINE; GAS; BRUSHES; ZIF-67;
D O I：
10.3390/ma12152361
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ionic-liquid-functionalized zeolitic imidazolate frameworks (ZIF) were synthesized using the co-ligands of 2-methylimidazole and amine-functionalized ionic liquid during the formation process of frameworks. The resulting ionic-liquid-modified ZIF had a specific surface area of 1707 m(2)g(-1) with an average pore size of about 1.53 nm. Benefiting from the large surface area and the high solubility of carbon dioxide in ionic-liquid moieties, the synthesized materials exhibited a carbon dioxide adsorption capacity of about 24.9 cm(3)g(-1), whereas it was 16.3 cm(3)g(-1) for pristine ZIF at 25 degrees C under 800 mmHg. The results demonstrate that the modification of porous materials with ionic liquids could be an effective way to fabricate solid sorbents for carbon dioxide adsorption.
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页数：8
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