AIE fluorescence probe molecule, and p-nitroaniline and fluoride ion detection methods thereof

A fluorescent probe and detection method technology, applied in fluorescence/phosphorescence, chemical instruments and methods, material analysis by optical means, etc., can solve the problem of no discovery, achieve high sensitivity and selectivity, good application prospects, Strong photostability
CN108440441AActive Publication Date: 2018-08-24SOUTH CHINA NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTH CHINA NORMAL UNIVERSITY
Publication Date
2018-08-24

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Abstract

The invention relates to an AIE fluorescence probe molecule, and p-nitroaniline and fluoride ion detection methods thereof in order to solve the technical problems of poor identification ability and serious fluorescence quenching of fluorescence probes in the prior art. 5-pyrenylmethylenerhodanine is prepared from pyrenecarboxaldehyde and rhodanine by a simple synthesis technology with pyridine asa catalyst. The molecule has a good aggregation-induced luminescence effect, and is a highly-sensitive fluorescence probe molecule for detecting p-nitroaniline and fluoride ions.
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Description

technical field

[0001] The invention relates to the fields of aggregation-induced luminescent effect and fluorescent probes, in particular to an AIE fluorescent probe molecule and a detection method for p-nitroaniline and fluorine ions. Background technique

[0002] The Aggregation-Induced Emission Effect (AIE) was first discovered by Academician Tang Benzhong's research group in 2001. Compared with traditional fluorescent chromophores, which will weaken or even not emit light at high concentrations, this type of polymer emits light in an aggregated state or a solid film This enhanced luminescence effect caused by aggregation is called "aggregation-induced luminescence effect". Based on the understanding and research of the AIE phenomenon, a series of AIE substances have been synthesized and made into efficient light-emitting devices and chemical biosensors. It is also true that the research on the mechanism of the AIE phenomenon has been carried out extensively and deeply....

Claims

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