Solitary Medium of a Multifunctional Ionic Liquid for Crystallizing Hierarchically Porous Metal-Organic Frameworks

被引：10

作者：

Dinker, Manish Kumar ^{[1
]}

Zhao, Kan ^{[1
]}

Liu, Xiao-Qin ^{[1
]}

Sun, Lin-Bing ^{[1
]}

机构：

[1] Nanjing Tech Univ, Coll Chem Engn, Jiangsu Natl Synerget Innovat Ctr Adv Mat, State Key Lab Mat Oriented Chem Engn, Nanjing 211816, Peoples R China

来源：

INORGANIC CHEMISTRY | 2022年 / 61卷 / 27期

基金：

中国国家自然科学基金;

关键词：

TEMPLATE; CO2;

D O I：

10.1021/acs.inorgchem.2c00972

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Hierarchically porous metal-organic frameworks (HP-MOFs), dominating both the micro-and mesoporous regimes, show high potentials in various applications especially those involving bulky biomolecules. The templating method has been proven to be effective in the fabrication of HP-MOFs; however, complicated synthetic systems containing solvents, templates, and additives are frequently employed. Here we report the first example of designing a poly(ethylene glycol)-based alkylammonium and bromide multifunctional ionic liquid (IL) as a solitary medium to construct HP-MOFs, avoiding the involvement of any additional media. Besides the ready solubilization of MOF precursors in the multifunctional IL due to a poly(ethylene glycol) chain as the solubilizer, the ionic moiety facilitates electrostatic interaction to create a templating effect. Hence, UiO-66 with hierarchical porosity has been successfully fabricated, and such a methodology can also be applied to the construction of other HPMOFs. The resultant HP-UiO-66 is efficient in the encapsulation of bulky biomolecule cytochrome c, and the adsorption capacity is obviously superior to that of the microporous counterpart.

引用

页码：10393 / 10401

页数：9

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