Fluorescent covalent organic framework material as well as preparation method and application thereof

The invention belongs to the technical field of heavy metal detection, and discloses a fluorescent covalent organic framework material as well as a preparation method and application thereof. The structural formula of the fluorescent covalent organic framework material is shown as follows: # imgabs0...

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Hauptverfasser: LYU GUIFEN, WEI XINRUI, GAN JUNLAN, HUANG HUIHUI, JIAN QIQI, ZHANG YALIN, CAI YUTING, CHEN RUI, HE JUN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention belongs to the technical field of heavy metal detection, and discloses a fluorescent covalent organic framework material as well as a preparation method and application thereof. The structural formula of the fluorescent covalent organic framework material is shown as follows: # imgabs0, and the fluorescent covalent organic framework material has an efficient recognition effect on Hg < 2 + >, almost has no fluorescence enhancement or weakening effect on other metal ions, only shows a fluorescence quenching effect on Hg < 2 + >, and has a fluorescence quenching effect on Hg < 2 + >. The concentration of the mercury ions added in the range of 10-100 [mu] M is linearly related to the fluorescence intensity of the fluorescent covalent organic framework material, the fluorescence detection range is 10-100 [mu] M, and the detection limit is 2.43 [mu] M. 本发明属于重金属检测技术领域,公开了一种荧光共价有机框架材料及其制备方法和应用。该荧光共价有机框架材料,其结构式如下所示:#imgabs0#该荧光共价有机框架材料对Hg2+具有高效的识别效应,对于其他金属离子几乎不存在荧光增强或减弱效应,只对于Hg2+显示出荧光猝灭的效应,在10-100μM范围内加入