Benzothiazole Encapped Silane and Its Nano Composites for Sequential Detection of Copper Ions and Cysteine in Aqueous Solution.

This work describes the study of photophysical properties of triazolelinked benzothiazole based Silane (K3) and its nanoparticles (K3‐NPs). Interestingly, both K3 and K3‐NPs exhibited highly selective chemo‐sensing ablility for Cu2+ ions. The significance of N, S and triazole group in synthesized compounds for Cu2+ sensing has been confirmed by structure‐property studies. Concentration dependent colorimetric metal sensing studies indicate that Cu2+ can be detected up to 10 μM. DFT studies, colorimetric analysis, Cyclic Voltametry, absorption and emission spectroscopy techniques helped us to evaluate efficiency towards amino acids along with copper complexation. [ABSTRACT FROM AUTHOR]