A fluorescent and colorimetric chemosensor for Ga3+ and CN–
Inorganica Chimica Acta(2018)
Abstract
•A simple Schiff-base chemosensor 1 for Ga3+ and CN– was designed and synthesized.•Sensor 1 exhibited “turn-on” fluorescence response only to Ga3+, distinguishing from Al3+ and In3+.•Sensor 1 detected CN– by color change from yellow to colorless through a nucleophilic addition mechanism.•Sensing mechanisms of 1 toward Ga3+ and CN– were explained by the various spectroscopic studies and theoretical calculations.
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Key words
Gallium,Cyanide,Fluorescent,Colorimetric,Chemosensor,Theoretical calculations
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