Synthesis and characterization of monometallic rhenium(I) complexes and their application as selective sensors for copper(II) ions
作者： Arumugam Ramdass , Veerasamy Sathish , Murugesan Velayudham , Pounraj Thanasekaran , Siva Umapathy
DOI: 10.1039/C5RA03157E
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摘要: Novel imine functionalized monometallic rhenium(I) polypyridine complexes (1–4) comprising two phenol moieties attached to 2,2′-bipyridine ligands L1–L4 have been synthesized and characterized. These exhibit selective sensitive detection towards copper(II) ions this is observed through changes in UV-visible absorption, luminescence time-resolved spectroscopic techniques. An enormous enhancement emission intensity, quantum yield lifetime with the addition of ions, can be attributed restriction CN isomerization Re(I) complexes. The strong binding between these reveals that constant values are range 1.1 × 103–6.0 103 M−1. absorption spectral behavior supported by DFT calculations.
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