Antenna effect of 1,10-phenanthroline derivative bearing (–)-borneol moieties in luminescent lanthanide(III) complexes

Antenna effect of 1,10-phenanthroline derivative bearing (–)-borneol moieties in luminescent lanthanide(III) complexes Full article

Journal

Journal of Luminescence
ISSN: 1872-7883 , E-ISSN: 0022-2313

Output data

Year: 2025, Volume: 281, Article number : 121144, Pages count : 11 DOI: 10.1016/j.jlumin.2025.121144

Authors

Bryleva Yuliya A. ¹ , Mikheylis Alexsandr V. ² , Agafontsev Alexander M. ³ , Glinskaya Ludmila A. ¹ , Tkachev Alexey V. ³

Affiliations

1	Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences
2	Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences
3	Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences

A new 1,10-phenanthroline derivative bearing two ( )-borneol moieties (L) has been employed to design highly luminescent nitrate [LnL2(NO3)3] (Ln = Eu, Gd, Tb) and β-diketonate [LnL(A)3] (Ln = Eu, Tb; A = hexafluoroacetylacetonate ion – hfac‒, thenoyltrifluoroacetonate ion – tta–) complexes, containing 10- and 8-coordinated Ln3+ ions, respectively. The photoluminescent properties of the complexes have been studied in detail in solution and in the solid state at 298 and 77 K. The ligand L demonstrates the best sensitizing ability towards the Eu3+ ion, resulting in bright luminescence with a quantum yield of up to 0.70 observed for [EuL2(NO3)3]. The nature of the counterion has been found to play a key role in the ligand-to-Ln3+ energy transfer process. The influence of the molecular composition and the nature of the Ln3+ ion on the photophysical properties of the complexes is also discussed, as well as possible energy transfer pathways from the chromophore ligands to the lanthanide are considered.

Bryleva Y.A. , Mikheylis A.V. , Agafontsev A.M. , Glinskaya L.A. , Tkachev A.V.
Antenna effect of 1,10-phenanthroline derivative bearing (–)-borneol moieties in luminescent lanthanide(III) complexes
Journal of Luminescence. 2025. V.281. 121144 :1-11. DOI: 10.1016/j.jlumin.2025.121144 WOS OpenAlex

Submitted:	Dec 19, 2024
Accepted:	Feb 20, 2025
Published online:	Feb 21, 2025
Published print:	Jun 1, 2025

Web of science:	WOS:001438229200001
OpenAlex:	W4407837791

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