Abstract
A probe based on 5-bromoindole-3-carboxaldehyde ethylthiosemicarbazone (L) was synthesized by a simple and quick one step condensation reaction. L displays a great blue fluorescence in dichloromethane and the fluorescence quenched following Hg2+ coordination. Interestingly, Hg2+ cannot only be detected by this method but also can be extracted and removed from water because dichloromethane and water are immiscible. Moreover, the convenient and efficient Hg2+ test strips based on L were fabricated, which is a potential candidate for the monitoring of Hg2+ in water.
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