Abstract
A bifunctional probe 1 with iminocoumarin scaffold demonstrated different responses for Cu2+ and Hg2+. In fluorescence mode of probe 1, the intensity at 528 nm was quenched severely upon the addition of Cu2+ or Hg2+. Meanwhile, a new fluorescence band at 574 nm appeared in the case of Hg2+. In its UV-Vis absorption mode, significant hypochromic shift for Cu2+ and bathochromic shift for Hg2+ occurred, which are in agreement with the observation of distinct color changes. In addition, probe 1 can be used for the construction of a molecular logic gate with NOR and INHIBIT logic functions.
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Yang, Y., Wang, Y. & Peng, Y. A bifunctional, colorimetric and fluorescent probe for recognition of Cu2+ and Hg2+ and its application in molecular logic gate. Sci. China Chem. 57, 289–295 (2014). https://doi.org/10.1007/s11426-013-4999-1
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DOI: https://doi.org/10.1007/s11426-013-4999-1