A COLORIMETRIC AND FLUORESCENT CHEMOSENSOR OF Fe3+ BASED ON AN ASYMMETRICAL SQUARYLIUM DYE
Abstract
A novel asymmetrical squarylium-dye-based dual signaling probe was synthesized and found to exhibit colorimetric and fluorescent properties on selective binding towards Fe3+ in ethanol/water (4:1, v/v) solution. The binding constant was determined to be 7.69×102 M-1, and the detection limit of SQ was 9.158×10- 6 M. Most importantly, the 1:2 stoichiometry of the host-guest complexation was confirmed by Job’s method. Moreover, the high sensing ability of the receptor towards Fe3+ was also investigated by the electrochemical technique.
About the Authors
Lu Min
School of Petrochemical Engineering, Changzhou University
Russian Federation
Russian Federation
Wang Yue
School of Petrochemical Engineering, Changzhou University
Russian Federation
Russian Federation
Li Ying
School of Petrochemical Engineering, Changzhou University
Russian Federation
Russian Federation
Li Zhongyu
School of Petrochemical Engineering, Changzhou University; Jiangsu Advanced Catalysis and Green Manufacturing Collaborative Innovation Center
Russian Federation
Russian Federation
Xu Song
School of Petrochemical Engineering, Changzhou University
Russian Federation
Russian Federation
Yao Chao
School of Petrochemical Engineering, Changzhou University
Russian Federation
Russian Federation
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Review
For citations:
Min L., Yue W., Ying L., Zhongyu L., Song X., Chao Ya. A COLORIMETRIC AND FLUORESCENT CHEMOSENSOR OF Fe3+ BASED ON AN ASYMMETRICAL SQUARYLIUM DYE. Zhurnal Prikladnoii Spektroskopii. 2018;85(2):327-334. (In Russ.)
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