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
收藏
页码：15 / 22
页数：8
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