Ultra-highly selective trapping of perrhenate/pertechnetate by a flexible cationic coordination framework

被引：50

作者：

Li, Cheng-Peng ^{[1
]}

Ai, Jin-Yun ^{[1
]}

Zhou, Hang ^{[1
]}

Chen, Qi ^{[1
]}

Yang, Yijie ^{[1
]}

He, Hongming ^{[1
]}

Du, Miao ^{[1
]}

机构：

[1] Tianjin Normal Univ, Coll Chem, Tianjin Key Lab Struct & Performance Funct Mol, MOE Key Lab Inorgan Organ Hybrid Funct Mat Chem, Tianjin 300387, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2019年 / 55卷 / 12期

基金：

中国国家自然科学基金;

关键词：

METAL-ORGANIC FRAMEWORK; SINGLE-CRYSTAL; ANION-EXCHANGE; EFFICIENT; REMOVAL; PERRHENATE; POLYMER; TRANSFORMATIONS; PERTECHNETATE; RECOGNITION;

D O I：

10.1039/c8cc09364d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The selective binding and trapping of perrhenate/pertechnetate is of great interest in the contamination remediation of nuclear waste. Herein, we report a cationic metal-organic framework (TJNU-216, TJNU = Tianjin Normal University), with ultra-high selectivity in trapping perrhenate/pertechnetate in the presence of a large excess of SO42- (20 000 times) or NO3- (300 times), and the highest exchange capacity of 417 mg g(-1) (1 mol mol(-1)). The exchange mechanism can be confirmed by the crystal structure of TJNU-216(Re) via single-crystal-to-single-crystal transformation.

引用

页码：1841 / 1844

页数：4

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