Zn-BTC-RhB MOF material and preparation method and application thereof

By preparing Zn-BTC@RhB MOF materials and utilizing their dual emission characteristics and Cu2+-induced ratioluminescence response, the problems of low sensitivity and poor anti-interference in existing Cu2+ detection methods are solved, achieving high sensitivity, fast response, and visual detection effects, which are suitable for Cu2+ detection in water, soil, and food.

CN121736737APending Publication Date: 2026-03-27GUANGDONG PHARMA UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-18
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing Cu2+ detection methods suffer from low sensitivity and poor anti-interference capabilities, making it difficult to achieve high sensitivity and visualization detection. Furthermore, traditional methods require complex instruments and pretreatment processes, which cannot meet the needs of rapid on-site detection.

Method used

Zn-BTC@RhB MOF material was prepared by dissolving zinc acetate, 1,3,5-benzenetricarboxylic acid and rhodamine B dye to form a fluorescent probe with dual emission characteristics. Visual detection was achieved by utilizing the ratiometric luminescence response induced by Cu2+.

Benefits of technology

It achieves high-sensitivity detection of Cu2+, with fast response, good stability and strong anti-interference, and can perform visual detection in a short time. It is suitable for Cu2+ detection in water, soil and food.

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Abstract

The invention provides a Zn-BTC-RhB MOF material as well as a preparation method and application thereof, and belongs to the technical field of fluorescent materials. The Zn-BTC-coated RhB MOF material provided by the invention is used as a Cu < 2 + > fluorescent probe, Cu < + > can initiate probe ratio luminescence response, the luminescence color gradually changes from blue violet to orange yellow, visual detection by naked eyes is realized, high sensitivity and visual detection functions on Cu < 2 + > are realized, and the Zn-BTC-coated RhB MOF material integrates the advantages of high sensitivity, quick response, good stability, strong anti-interference performance, visual detection and the like.
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