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.

引用

页数：7

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