Establishment of highly sensitive and selective fluorescent sensor for Fe3+ based on a post-synthetic modification of metal-organic framework

被引：37

作者：

Du, Yaran ^{[1
]}

Song, Naizhong ^{[1
]}

Lv, Xueju ^{[1
]}

Hu, Bin ^{[1
,2
]}

Zhou, Weihong ^{[1
]}

Jia, Qiong ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China

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

来源：

DYES AND PIGMENTS | 2017年 / 138卷

关键词：

Metal organic frameworks; Post-synthetic modification; Fluorescent sensor; Fe3+; CONJUGATED MICROPOROUS POLYMERS; FE(III) DETERMINATION; LUMINESCENT PROBES; CHELATING RESIN; ENERGY-TRANSFER; ACID; FUNCTIONALIZATION; IONS; MOF; MIL-53(AL);

D O I：

10.1016/j.dyepig.2016.11.018

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A post-synthetic modification method was developed to prepare fluorescent metal organic frameworks by the covalent interaction of ethoxycarbonyl isothiocyanate with amine functionalized UMCM-4. X-ray diffraction spectrometry, X-ray photoelectron spectrometry, elemental analysis, Fourier-transformed infrared spectroscopy, nuclear magnetic resonance spectrometry, thermogravimetric analysis/derivative thermogravimetry analysis, and nitrogen sorption isotherms were employed to characterize the modified metal organic frameworks. With high emission efficiency and excellent fluorescence stability, the sensing properties of Fe3+ were studied. Possible mechanisms of energy and electron transfers between the target and the fluorescent probe were demonstrated. Effects of response time, Fe3+ concentration, and other metal ions on the fluorescence intensity were also studied. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：15 / 22

页数：8

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