A highly selective fluorescent probe for Zn2+ based on a rhodamine-6G dye derivative modified by a furan unit

作者：Qiao, Rui^*; Xiong, Wen-Zhang; Bai, Cui-Bing; Zhang, Lin; Zhu, Meng-Meng; Chen, Shui-Sheng; Miao, Hui

来源：Journal of Chemical Research, 2018, 42(4): 194-197.

DOI：10.3184/174751918X15232837452384

• rhodamine-6g
• Zn2+
• iodide ion
• fluorescent probe
• chemosensor for transition metal ions

A fluorescent probe for Zn2+ based on rhodamine-6G has been synthesised. It showed excellent fluorescent specific selectivity and high sensitivity for Zn2+ compared with other metal ions, such as Fe3+, Cr3+, Hg2+, Ag+, Ca2+, Cu2+, Pb2+, Cd2+, Ni2+, Co2+ and Mg2+, in CH3 CN-phosphate buffer saline solution. The distinct colour change and the rapid emergence of fluorescence emission provided 'naked-eye' detection of Zn2+. The detection limit of the fluorescent probe towards Zn2+ was 1.78 mu M. In addition, the fluorescence lifetime and fluorescence quantum yield were measured.

• 出版日期2018-4
• 单位阜阳师范学院