A fluorescence sensor with large stokes shift based on 3-aminobenzobthiophene derivatives for the sequential detection of Cu2+ and S2− and its applications

Puntos clave

• Sequential detection of Cu2+ and S2− is achieved using a fluorescence sensor with a large stokes shift, enhancing specificity.
• The fluorescence sensor demonstrates a remarkable stokes shift that improves sensitivity to copper ions and sulfide detection.
• Assessment using 3-aminobenzo[b]thiophene derivatives provides a novel approach for environmental applications related to heavy metal detection.
• This study highlights the potential for real-world use in monitoring pollutants, suggesting practical implications for environmental chemistry.