Rapid high-selectivity copper ion colorimetric fluorescent probe as well as preparation method and application thereof

By preparing a colorimetric fluorescent probe based on rhodamine derivatives, the problems of poor selectivity and complex synthesis in the detection of copper ions in the prior art have been solved, and copper ion detection with high sensitivity, fast response and simple synthesis has been achieved, which is particularly suitable for copper ion detection in the aquatic environment.

CN120965706APending Publication Date: 2025-11-18济南市水文中心(济南市水土保持监测站)
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Patent Information

Application Number
CN202511283620.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-09
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Existing copper ion fluorescent probes suffer from poor ion selectivity, weak anti-interference ability, and cumbersome synthesis steps, resulting in high detection costs and time-consuming complex processes.

Method used

A colorimetric fluorescent probe based on rhodamine derivatives was prepared by reacting compound (I) with compound (IV) to generate a copper ion probe with high selectivity and anti-interference ability, which can quickly respond and identify copper ions with naked eye through color change.

Benefits of technology

It achieves highly sensitive detection of copper ions, with strong selectivity, good anti-interference ability, and simple synthesis, making it suitable for rapid detection and quantitative analysis of copper ion concentration in aquatic environments.

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Abstract

The invention relates to a rapid high-selectivity copper ion colorimetric fluorescent probe as well as a preparation method and application thereof. Specifically, the probe provided by the invention can be used for measuring, detecting or screening copper ions, can realize selective recognition of the copper ions, and has relatively strong anti-interference capability; the rapid and high-sensitivity analysis on the copper ions can be realized; the colorimetric fluorescent probe can realize naked eye detection analysis of copper ions; meanwhile, the method has the advantages of simple synthesis, stable property and facilitation of commercial application.
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