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.

引用

页数：8

共 39 条

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[22] Synthesis of imidazolium-based cationic organic polymer for highly efficient and selective removal of ReO4-/TcO4
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CHEMICAL ENGINEERING JOURNAL, 2021, 419
[23] Identifying the Recognition Site for Selective Trapping of 99TcO4- in a Hydrolytically Stable and Radiation Resistant Cationic Metal-Organic Framework
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[24] 3D Ionic Olefin-Linked Conjugated Microporous Polymers for Selective Detection and Removal of TcO4-/ReO4- from Wastewater
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[25] A guanidinium-based ionic COF for selective and efficient capture of 99TcO4-: A synergistic effect of ion exchange and hydrogen bond
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[26] Efficient and selective adsorption of TcO4- /ReO4- by n-alkyl-imidazolium ionic liquids functionalized cellulose microspheres and their application in simulated Beishan groundwater
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[27] Mechanism unravelling for ultrafast and selective 99TcO4- uptake by a radiation-resistant cationic covalent organic framework: a combined radiological experiment and molecular dynamics simulation study
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