A rhodamine-based colorimetric and reversible fluorescent chemosensor for selectively detection of Cu 2+ and Hg 2+ ions

Yang Yang,Chaoying Gao,Bin Li,Liang Xu,Limei Duan

Sensors and Actuators B: Chemical（2014）

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摘要

A bifunctional colorimetric and fluorescent chemosensor RbCS has been successfully designed and synthesized. The chemosensor RbCS exhibits remarkably enhanced absorbance intensity and color change from colorless to pink for Cu2+, and shows significant “off–on” fluorescence accompanied with color changes from colorless to red upon binding to Hg2+.

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关键词

Cu2+,Hg2+,Rhodamine,Fluorescene,Chemosensor

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