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■ A New Carbazole-Based Fluorescence Sensor for High Selective Detection of Copper(II) in Aqueous Solutions

Zhao Fang, Hu Yang, Li Qiao, and Hu Shengli*

*Hubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, China

Abstract

A new fluorescent sensor based on 9-ethylcarbazol and di-2-picolylamine was designed and synthesized. Its structure was confirmed by IR, NMR, MS spectra and elemental analyses. Its binding properties investigated by fluorescence spectroscope showed that it can selectively bind Cu2+ in anquous solution with fluorescence quenching.