An ionic vinylene-linked three-dimensional covalent organic framework for selective and efficient trapping of ReO4- or 99TcO4-

被引：59
|
作者：
Zhang, Cheng-Rong [1 ]
Cui, Wei-Rong [1 ]
Yi, Shun-Mo [1 ]
Niu, Cheng-Peng [1 ]
Liang, Ru-Ping [1 ]
Qi, Jia-Xin [1 ]
Chen, Xiao-Juan [1 ]
Jiang, Wei [1 ]
Liu, Xin [1 ]
Luo, Qiu-Xia [1 ]
Qiu, Jian-Ding [1 ,2 ]
机构：
[1] Nanchang Univ, Coll Chem & Chem Engn, Nanchang 330031, Jiangxi, Peoples R China
[2] East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang 330013, Jiangxi, Peoples R China
来源：
NATURE COMMUNICATIONS | 2022年 / 13卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1038/s41467-022-35435-7
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The synthesis of ionic olefin linked three-dimensional covalent organic frameworks (3D COFs) is greatly challenging given the hardness of the formation of stable carbon-carbon double bonds (-C=C-). Herein, we report a general strategy for designing porous positively charged sp(2) carbon-linked 3D COFs through the Aldol condensation promoted by quaternization. The obtained 3D COFs, namely TFPM-PZI and TAPM-PZI, showed impressive chemical stability. Furthermore, the positively charged frameworks with regular porosity endow 3D ionic COFs with selective capture radioactive ReO4-/TcO4- and great removal efficiency in simulated Hanford waste. This research not only broadens the category of 3D COFs but also promotes the application of COFs as efficient functional materials.
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页数：8
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