Design,synthesis, crystal structure and photophysical studies of an emissive,terbium based sensor for zinc |
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| Affiliation: | 1. College of Chemistry and Chemical Engineering and State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China;2. School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;1. Laboratory of Inorganic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis, Zografou 157 71, Greece;2. Laboratory of Inorganic Chemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece;3. Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;1. Department of Applied Chemistry, University of Johannesburg, Johannesburg, South Africa;2. Chemical Engineering Department, King Saud University Riyadh, Riyadh, Saudi Arabia |
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| Abstract: | The synthesis, crystal structure and photophysical studies of the probe complex Tb · L are described. Tb · L is a mononuclear complex with a 46-membered macrocyclic rings constructed by intermolecular hydrogen bond. The mononuclear complex Tb · L shows Laporte-forbidden 5D4 → 7FJ f–f transitions and exhibits strong green luminescence emission bands in the solid state at ambient temperature which is characteristic of terbium ion. New selective luminescent lanthanide chemosensor for Zn(II) ion based on Tb · L is also described, suggesting host–guest complexation signaling transduction mechanism. |
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