科研之友
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摘要
A new thiourea-based Schiff-base (L) as a fluorescent chemosensor has been designed and synthesized, which exhibits selectivity toward Hg2+ by forming a 1:2 compound based on the method of Job's plot. The detection limit was calculated to be 6.5x10(-6) mol/L. The prominent recognizable changes of could be observed by the naked eyes and fluorescence sensing conditions. The color of the L solution changed instantly from colorless to yellow after adding Hg2+ and returned to colorless by adding I-. The coordination reaction was reversible.
- 出版日期2017-9-1
- 单位安徽大学
