Journal
DYES AND PIGMENTS
Volume 201, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2022.110233
Keywords
beta-diketonate; Europium(III); Films; Luminescence; Luminescent thermosensor
Funding
- Russian Science Foundation [20-73-10091]
- Russian Science Foundation [20-73-10091] Funding Source: Russian Science Foundation
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Luminescent adducts of Eu(III) tris(beta-diketonate) with 1,10-phenanthroline were synthesized and their properties were characterized. Sensitization of Eu(III) ion by various beta-diketones was evaluated. The synthesized compounds were found to form optically isotropic vitrified films with high light transmittance and efficient luminescence, showing potential as luminescent temperature sensors.
Luminescent adducts of Eu(III) tris(beta-diketonate) with 1,10-phenanthroline were synthesized. The effect of the beta-diketone structure on thermodynamic and photophysical properties of Eu(III) complexes was characterized. Sensitization of Eu(III) ion by various beta-diketones was evaluated. The synthesized compounds are shown to form isotropic vitrified structures at room temperature allowing to produce optically isotropic vitrified films with light transmittance of over 90% and efficient luminescence. These photostable films were characterized as potential luminescent temperature sensors.
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