Nitrogen and sulfur-enriched porous bithiophene-melamine covalent organic polymers for effective capture of CO2 and iodine

被引：18

作者：

Liu, Luyao ^{[1
]}

Song, Chunmei ^{[1
]}

Kong, Aiguo ^{[1
]}

机构：

[1] East China Normal Univ, Sch Chem & Mol Engn, Shanghai 200241, Peoples R China

来源：

MATERIALS LETTERS | 2020年 / 277卷

关键词：

CO2; adsorption; I(2)( )adsorption; Sphere-like COP; Nanoparticles; Polymers; FRAMEWORKS;

D O I：

10.1016/j.matlet.2020.128291

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low-cost bithiophene and melamine were constructed into a new nitrogen and sulfur-enriched organic framework (TPFM) by one-pot Shiff-base type reaction without any catalysts and post-treatment procedure. The as-synthesized TPFM exhibits the sphere-like morphology and mesopore-dominated porous structure with 611.3 m(2) g(-1) surface area. Profiting from the pore channels with abundant -NH groups on TPFM, it presents efficient carbon dioxide adsorption capacity with 77.5 cm(3) g(-1) (about 16 wt%) at 273 K. The donated lone pair electrons in S and N atoms on TPFM contributed to its fast and efficient iodine adsorption capacities of 293.3 mg g(-1) in cyclohexane solution within several minutes. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：4

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