Journal
INORGANICA CHIMICA ACTA
Volume 479, Issue -, Pages 154-160Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2018.04.021
Keywords
Gallium; Cyanide; Fluorescent; Colorimetric; Chemosensor; Theoretical calculations
Categories
Funding
- National Research Foundation of Korea (NRF) [NRF-2018R1A2B6001686]
- MOE (Korea Ministry of Environment) as The Chemical Accident Prevention Technology Development Project [2016001970001]
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A novel chemosensor 1 based on 4-aminobenzophenone and 2-hydroxy-l-naphthaldehyde was synthesized for the recognition of Ga3+ and CN-. Chemosensor 1 displayed turn-on fluorescence response only to Ga3+, distinguishing from Al3+ and In3+, which have similar properties. Meanwhile, sensor 1 displayed color change of yellow to colorless by reacting with CN- via a nucleophilic addition process in aqueous solution. Sensor 1 was used to quantify CN- in real samples. Sensing processes of 1 toward Ga3+ and CN- were demonstrated by the various spectroscopic studies and theoretical calculations.
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