Base-Resistant Ionic Metal-Organic Framework as a Porous Ion-Exchange Sorbent

被引：54

作者：

Desai, Aamod V. ^{[1
]}

Roy, Arkendu ^{[1
]}

Samanta, Partha ^{[1
]}

Manna, Biplab ^{[1
]}

Ghosh, Sujit K. ^{[1
,2
]}

机构：

[1] IISER, Dept Chem, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India

[2] IISER Pune, Ctr Energy Sci, Pune 411008, Maharashtra, India

来源：

ISCIENCE | 2018年 / 3卷

关键词：

ANION-EXCHANGE; SELECTIVE ADSORPTION; HYDROXIDE ETHANEDISULFONATE; COORDINATION POLYMERS; OXOANION POLLUTANTS; LAYERED MATERIAL; SINGLE-CRYSTAL; SURFACE-AREA; AZO DYES; DESIGN;

D O I：

10.1016/j.isci.2018.04.004

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：

A systematic approach has been employed to obtain a hydrolytically stable cationic metal-organic framework (MOF). The synthesized two-dimensional Ni(II)-centered cationic MOF, having its backbone built from purely neutral N-donor ligand, is found to exhibit uncommon resistance over wide pH range, particularly even under highly alkaline conditions. This report presents a rare case of a porous MOF retaining structural integrity under basic conditions, and an even rarer case of a porous cationic MOF. The features of stability and porosity in this ionic MOF have been harnessed for the function of charge- and size-selective capture of small organic dye through ion-exchange process across a wide pH range.

引用

页码：21 / +

页数：84

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