Synthesis and luminescence of new water-soluble lanthanide complexes of DTTA-containing 4-(4-methoxyphenyl)-2,2′-bipyridine

Add time:07/14/2019    Source:sciencedirect.com

A new DTTA-appended 4-(4-methoxyphenyl)-2,2′-bipyridine ligand has been synthesized for lanthanide cations by Kröhnke method. Its luminescent lanthanide (Eu3+ and Tb3+) water-soluble complexes have been synthesized. The photophysical properties of new chelates were studied. Comparison of the new complexes with the known ones has been done; in some cases a red-shift in absorption spectra and higher lanthanide emission quantum yields were observed.

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