Luminescent lanthanide complexes for advanced photonic applications

Lada N. Puntus; Elena V. Sergeeva; Dmitrii Yu. Antonov; Konstantin A. Lyssenko; Francois Kajzar

doi:10.1117/12.865136

13 October 2010 Luminescent lanthanide complexes for advanced photonic applications

Lada N. Puntus, Elena V. Sergeeva, Dmitrii Yu. Antonov, Konstantin A. Lyssenko, Francois Kajzar

Proceedings Volume 7838, Optics and Photonics for Counterterrorism and Crime Fighting VI and Optical Materials in Defence Systems Technology VII; 783813 (2010) https://doi.org/10.1117/12.865136
Event: SPIE Security + Defence, 2010, Toulouse, France

Abstract

The lanthanide compounds containing unsymmetrical β-diketone with [2.2]paracyclophane moiety in particular the europium complex with three [1-(4-[2.2]paracyclophanyl)]-3-phenylpropane-1,3-dione and 1,10-phenanthroline has been synthesized for the first time. The optical properties of [2.2]paracyclophane-derived ligands (symmetrical β-diketones and their respective N-phenylimines) as well as those of the europium complex were studied by UV-visible and luminescence spectroscopy. The diastereomers (racemic chiral, (R*,R*)- and achiral meso, (R,S)-) of the β-diketones and their respective N-phenylimines exhibit quite identical absorption spectra with intense broad band centered at 360 and 380 nm, respectively. The designed blue-emitting unsymmetrical β-diketone acts as a very efficient sensitizer of the EuIII emission and does so in the near-UV region. The introduction of [2.2]paracyclophane moiety in the β-diketones allows to expand the excitation wavelength of the lanthanide complex up to 500 nm and to obtain the relatively high overall quantum yield for the europium ion.

Citation Download Citation

Lada N. Puntus, Elena V. Sergeeva, Dmitrii Yu. Antonov, Konstantin A. Lyssenko, and Francois Kajzar "Luminescent lanthanide complexes for advanced photonic applications", Proc. SPIE 7838, Optics and Photonics for Counterterrorism and Crime Fighting VI and Optical Materials in Defence Systems Technology VII, 783813 (13 October 2010); https://doi.org/10.1117/12.865136

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