Porphyrin-based cationic conjugated network prepared by Zincke reaction and its adsorption for TcO4-/ReO4-

被引：8

作者：

Xu, Yuwei ^{[1
]}

Tian, Yin ^{[2
]}

Chen, Bo ^{[1
]}

Yan, Zijun ^{[1
]}

Ding, Jie ^{[1
]}

Huang, Yalin ^{[1
]}

Kang, Jinyang ^{[1
]}

Chen, Shanyong ^{[1
]}

Jin, Yongdong ^{[1
]}

Xia, Chuanqin ^{[1
]}

机构：

[1] Sichuan Univ, Coll Chem, Chengdu 610064, Peoples R China

[2] Chengdu Univ Tradit Chinese Med, Sch Pharm, Chengdu 611137, Peoples R China

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 330卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Porphyrin; COFs; TcO4-/ReO4-; Adsorption; FRAMEWORK MATERIAL; ORGANIC FRAMEWORK; REMOVAL; TECHNETIUM; EFFICIENT; VIOLOGEN; DENSITY; SPECTROSCOPY; OXYANIONS; MOLECULES;

D O I：

10.1007/s10967-021-08039-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, porphyrin-based cationic conjugated network (PCCN) nanosheets were synthesized, and its adsorption for TcO4-/ReO4- was investigated. This material was stacked with AB dislocation, with an aperture of 1.2 nm. The Re(VII)/Tc(VII) adsorption kinetics of PCCN is extremely fast, and the adsorption capacity is relatively large, the selective order is ReO4- > NO3- > Cl-. XPS and DFT revealed that the exchange of Cl- on PCCN with ReO4-, while the hydrophobic pore of PCCN are the keys to improve adsorption selectivity. It could be used to remove Tc from groundwater around nuclear facilities. [GRAPHICS] .

引用

页码：1165 / 1176

页数：12

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