Novel multi-stimuli-responsive supramolecular gel based on quinoline for the fluorescence ultrasensitive detection of Fe3+ and Cu2+

被引：18
|
作者：
Wu, Shang [1 ]
Jiang, Pengwei [1 ]
Ding, Ning [1 ]
Hu, Qiang [1 ]
Yan, Xiangtao [1 ]
Liu, Jutao [1 ]
Wang, Yanbin [1 ]
Zhang, Hong [1 ]
Yuan, Peilin [1 ]
Yang, Quanlu [2 ]
机构：
[1] Northwest Minzu Univ, Key Lab Environm Friendly Composite Mat, Key Lab Util Environm Friendly Composite Mat & Bi, Coll Chem Engn,State Ethn Affairs Commiss, Lanzhou 730030, Peoples R China
[2] Lanzhou Univ Arts & Sci, Coll Chem Engn, Lanzhou 730000, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2021年 / 261卷
基金：
中国国家自然科学基金;
关键词：
Fluorescence; Supramolecular gel; Multi-analyte; Quinoline; SCHIFF-BASE; CHEMOSENSOR; POLY(AZOMETHINE-URETHANE); METABOLISM; ACTIVATION; BIOSENSOR;
D O I：
10.1016/j.saa.2021.120078
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A novel gelator molecular based on quinolone (MN) has been successfully designed and synthesized. The gelator MN could self-assemble to form a supramolecular gel (OMN), which showed obvious aggregation-induced emission (AIE) in iso-Propyl alcohol (i-PrOH). Furthermore, the supramolecular organogel OMN realized ultrasensitive detection of Fe3+ and Cu2+ in aqueous medium and fluorescent quenching at 427 nm. The sensing mechanism between supramolecular gel and metal ions was fully investigated via FE-SEM, FT-IR, XRD and XPS. Meanwhile, a thin film based on responsive supramolecular gel OMN was prepared, which could be used as multi-stimuli-responsive fluorescent display materials for the detection of Fe3+ and Cu2+. (C) 2021 Elsevier B.V. All rights reserved.
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页数：7
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