Circularly Polarized Luminescence from New Heteroleptic Eu(III) and Tb(III) Complexes

The complexes [Eu­(bpcd)­(tta)], [Eu­(bpcd)­(Coum)], and [Tb­(bpcd)­(Coum)] [tta = 2-thenoyltrifluoroacetyl-acetonate, Coum = 3-acetyl-4-hydroxy-coumarin, and bpcd = N,N′-bis­(2-pyridylmethyl)-trans-1,2-diaminocyclohexane-N,N′-diacetate] have been synthesized and characterized from photophysical and...

Full description

Saved in:
Bibliographic Details
Published in:Inorganic chemistry 2023-06, Vol.62 (23), p.8812-8822
Main Authors: Ruggieri, Silvia, Mizzoni, Silvia, Nardon, Chiara, Cavalli, Enrico, Sissa, Cristina, Anselmi, Michele, Cozzi, Pier Giorgio, Gualandi, Andrea, Sanadar, Martina, Melchior, Andrea, Zinna, Francesco, Willis, Oliver G., Di Bari, Lorenzo, Piccinelli, Fabio
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The complexes [Eu­(bpcd)­(tta)], [Eu­(bpcd)­(Coum)], and [Tb­(bpcd)­(Coum)] [tta = 2-thenoyltrifluoroacetyl-acetonate, Coum = 3-acetyl-4-hydroxy-coumarin, and bpcd = N,N′-bis­(2-pyridylmethyl)-trans-1,2-diaminocyclohexane-N,N′-diacetate] have been synthesized and characterized from photophysical and thermodynamic points of view. The optical and chiroptical properties of these complexes, such as the total luminescence, decay curves of the Ln­(III) luminescence, electronic circular dichroism, and circularly polarized luminescence, have been investigated. Interestingly, the number of coordinated solvent (methanol) molecules is sensitive to the nature of the metal ion. This number, estimated by spectroscopy, is >1 for Eu­(III)-based complexes and
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.3c00196