Rational design of functionalized covalent organic frameworks and their performance towards CO2 capture

被引：25

作者：

An, Shuhao ^{[1
,2
]}

Xu, Ting ^{[1
,2
]}

Peng, Changjun ^{[1
]}

Hu, Jun ^{[1
,2
]}

Liu, Honglai ^{[1
]}

机构：

[1] East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

[2] East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China

来源：

RSC ADVANCES | 2019年 / 9卷 / 37期

基金：

中国国家自然科学基金;

关键词：

GAS-STORAGE; CARBON CAPTURE; CRYSTALLINE; POLYMER; CONSTRUCTION; CARBAZOLE;

D O I：

10.1039/c9ra03487k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe the design and synthesis of two new functionalized covalent organic frameworks, named Cz-COF and Tz-COF, by using monomers containing carbazole and benzobisthiazole as building blocks. The resultant materials possess high crystallinity, permanent porosities as well as abundant heteroatom activated sites in the framework. As solid adsorbents, both COFs exhibit excellent CO2 uptake (11.0 wt% for Cz-COF and 15.4 wt% for Tz-COF), high adsorption selectivity for CO2 over N-2 and good recyclability.

引用

页码：21438 / 21443

页数：6

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