Mercury (Hg²⁺) Sensing Using Coumarin-Derived Fluorescent Chemo-Sensors: An Intuitive Development from 2015 to 2023.

Area of Science:

• Analytical Chemistry
• Environmental Science
• Materials Science

Background:

• Mercury is a highly toxic metal posing significant environmental and health risks.
• Traditional mercury detection methods are often costly, complex, and unsuitable for real-time analysis.
• Fluorescent-based analytical tools offer a promising alternative for sensitive mercury ion detection.

Purpose of the Study:

• To review the development of coumarin-derived chemosensors for mercury ion detection from 2015-2023.
• To highlight the advantages of coumarin scaffolds in sensor design.
• To provide a reference for future sensor development in mercury monitoring.

Main Methods:

• Literature review of coumarin-derived chemosensors published between 2015 and 2023.
• Analysis of sensor performance characteristics such as sensitivity, selectivity, response time, and stability.
• Focus on coumarin's photophysical properties relevant to sensing applications.

Main Results:

• Coumarin-based fluorescent sensors demonstrate high sensitivity and selectivity for mercury ions.
• These sensors offer rapid response times and good photostability.
• Significant advancements in coumarin-derived chemosensor design have been observed in recent years.

Conclusions:

• Coumarin derivatives are highly effective scaffolds for developing advanced fluorescent chemosensors for mercury.
• These sensors provide a viable solution for real-time, sensitive, and selective mercury ion monitoring.
• The review serves as a valuable resource for researchers designing novel mercury detection systems.