Charged functional group effects on a metal-organic framework for selective organic dye adsorptions

被引：43

作者：

Hahm, Hyungwoo ^{[1
,2
]}

Kim, Sungjune ^{[3
]}

Ha, Hyeonbin ^{[1
,2
]}

Jung, Suyeon ^{[1
]}

Kim, Youngjo ^{[1
,2
]}

Yoon, Minyoung ^{[3
]}

Kim, Min ^{[1
,2
]}

机构：

[1] Chungbuk Natl Univ, Dept Chem, Cheongju 28644, Chungbuk, South Korea

[2] Chungbuk Natl Univ, Res Team Synth & Phys Properties Various Mol BK21, Cheongju 28644, Chungbuk, South Korea

[3] Gachon Univ, Dept Nanochem, Coll Bionano, Songnam 13120, South Korea

来源：

CRYSTENGCOMM | 2015年 / 17卷 / 44期

基金：

新加坡国家研究基金会;

关键词：

D O I：

10.1039/c5ce01512j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A quaternary N-alkyl ammonium salt-containing zinc-based metal-organic framework (MOF) was synthesized and tested for selective organic dye adsorption experiments. Through covalent post-synthetic modification (PSM), the tertiary amine-containing MOF was converted into a quaternary N-alkyl ammonium salt-containing MOF under solid-state methylation conditions. The positively charged MOF was found to exclusively adsorb the negatively charged organic dye, while the positively charged organic dyes were not adsorbed. This separation experiment revealed that functional group control is an important and critical factor for molecule separations using porous materials.

引用

页码：8418 / 8422

页数：5

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