Metal-organic frameworks based on bipyridinium carboxylate: photochromism and selective vapochromism

被引：96

作者：

Zhang, Chenghui ^{[1
]}

Sun, Libo ^{[1
]}

Yan, Yan ^{[1
]}

Liu, Yuchuan ^{[1
]}

Liang, Zhiqiang ^{[1
]}

Liu, Yunling ^{[1
]}

Li, Jiyang ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2017年 / 5卷 / 08期

基金：

中国国家自然科学基金;

关键词：

COORDINATION POLYMERS; CHEMICAL SENSORS; COMPLEXES; SYSTEM; LUMINESCENCE; TRANSITION; ASSEMBLIES; PHOSPHATE; HYDROGEN; STORAGE;

D O I：

10.1039/c6tc04724f

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two new metal-organic frameworks based on a cationic 1-(3,5-dicarboxyphenyl)-4,4'-bipyridinium bromide (H(2)ipbpBr) ligand have been designed and synthesized by varying the solvents and counterions to adjust the coordination modes between organic linkers and metal ions. Both of them possess two dimensional (2D) neutral layered frameworks, which show photochromic and photo-modulated luminescence properties. Compound 1 is photo-active in response to UV light, while 2 is sensitive to visible and UV light, accompanied by color transformation from light yellow to brown and green, respectively. Furthermore, compound 1 exhibits interesting selective vapochromism to diethylamine (DEA), and the vapochromic sample can be easily recovered when washed with MeOH, which offers a simple, convenient and recyclable vapor sensor for organic gas emissions. This work provides abundant scope to explore novel MOF materials with useful photo-active and colorimetric sensor properties.

引用

页码：2084 / 2089

页数：6

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