Multi-layered g-C₃N₄ as a Fluorescent Probe for Hg²⁺ Detection

Area of Science:

• Environmental Science
• Materials Science
• Analytical Chemistry

Background:

• Mercury ions (Hg2+) are highly toxic environmental pollutants.
• Accurate heavy metal detection is vital for pollution control.
• Fluorescent probes offer sensitive and rapid heavy metal detection.

Purpose of the Study:

• To develop an effective fluorescent probe for sensitive and selective Hg2+ detection.
• To utilize multi-layered graphitic carbon nitride for heavy metal sensing.

Main Methods:

• Synthesis of multi-layered graphitic carbon nitride via thermopolymerization.
• Utilizing the material as a fluorescent probe for Hg2+ detection.
• Determining the limit of detection for Hg2+.

Main Results:

• The developed graphitic carbon nitride probe demonstrated high sensitivity and selectivity for Hg2+.
• A low limit of detection of 1.14 nM for Hg2+ was achieved.
• The probe showed potential for practical environmental monitoring applications.

Conclusions:

• Multi-layered graphitic carbon nitride is an effective fluorescent probe for Hg2+ detection.
• The developed method provides a sensitive and selective approach for environmental mercury monitoring.
• This work contributes to the advancement of heavy metal sensing technologies.