A highly selective colorimetric and turn-on fluorescent chemosensor based on 1-(2-pyridylazo)-2-naphthol for the detection of aluminium(III) ions

作者：Gupta Vinod Kumar^*; Shoora Sudhir Kumar; Kumawat Lokesh Kumar; Jain Ajay Kumar

来源：Sensors and Actuators B: Chemical , 2015, 209: 15-24.

DOI：10.1016/j.snb.2014.10.143

• Fluorescence
• Colorimetry
• Aluminium(III) ions
• 1-(2-pyridylazo)-2-naphthol

A new azo compound, 1-(2-pyridylazo)-2-naphthol, has been prepared and characterized. The synthesized compound shows a very high affinity for aluminium. The complexation reaction of aluminium has been explored by Colorimetry, FT-IR, H-1 NMR, HRMS and fluorescence spectroscopy. The detection limit has been found to be 1.81 x 10(-8) M estimated by the titration method. The turn-on fluorescence behaviour of aluminium interaction with ligand has been found to be so fast (<5 s) that it can be used for its qualitative as well as quantitative estimation.

• 出版日期2015-3-31
• 单位中国石油大学（北京）