A Simple Carbazole-based Schiff Base as Fluorescence “off-on” Probe for Highly Selective Recognition of Cu2+ in Aqueous Solution

Bulletin of the Korean chemical society

Xin Wen¹  Lijun Tang¹  Di Wu¹  Xin Dai¹  Shuhua Hou¹ 

关键词: Fluorescent probe;    Carbazole;    Copper(II) recognition;    Schiff base;   

DOI  :  

学科分类：化学（综合）

来源: Korean Chemical Society

【 摘 要 】

A carbazole-based Schiff base CB2 was synthesized and applied as a highly selective and sensitive fluorescent probe for Cu2+ in H2O-DMSO (8/2, v/v, pH = 7.4) solution. CB2 exhibits an excellent selectivity to Cu2+ over other examined metal ions with a prominent fluorescence “turn-on” at 475 nm. CB2 and Cu2+ forms a 1:2 binding ratio complex with detection limit of 9.5 μM. In addition, the Cu2+ recognition process is hardly interfered by other examined metal ions.

【 授权许可】

Unknown