УДК: 535.37

Brightly luminescent markers based on nanoparticles composed of complexes of metal ions with coumarin-30

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Дударь С.С., Миронов Л.Ю. Ярко люминесцирующие метки на основе наночастиц из комплексов ионов металлов с кумарином 30 // Оптический журнал. 2013. Т. 80. № 3. С. 3–12.

Dudar S.S., Mironov L.Yu. Brightly luminescent markers based on nanoparticles composed of complexes of metal ions with coumarin-30 [in Russian] // Opticheskii Zhurnal. 2013. V. 80. № 3. P. 3–12.

For citation (Journal of Optical Technology):

S. S. Dudar’ and L. Yu. Mironov, "Brightly luminescent markers based on nanoparticles composed of complexes of metal ions with coumarin-30," Journal of Optical Technology. 80(3), 127-134 (2013). https://doi.org/10.1364/JOT.80.000127

Abstract:

This paper discusses the sensitized fluorescence of coumarin-30 in nanoparticles self-organized from complexes of phenylbenzoyltrifluoroacetone and 1, 10-phenanthroline with ions of the lanthanides, yttrium, aluminum, and scandium in water–alcohol solutions. It is shown that, when nanoparticles are formed from complexes of lanthanide and yttrium ions, the coumarin-30 molecules from the solution are completely incorporated into the nanoparticles. An absence of concentration quenching of the cofluorescence of coumarin-30 in the nanoparticles is detected in the entire region of dye concentrations studied here. Facts are presented that prove that coumarin-30 is incorporated in the lanthanide and yttrium complexes as a synergic bidentate ligand. It is demonstrated that brightly luminescent markers can be created that absorb not only in the 360–370 nm region, but also in the 440–450 nm region and that possess a narrow fluorescence spectrum with a maximum at λ=520 nm.

Keywords:

luminescent markers, fluorescence of nanoparticles, cofluorescence, energy transfer, energy migration, nanoparticles, dyes, coumarin-30, diketonate complexes of metal ions, lanthanides

Acknowledgements:

The authors thank the Russian Foundation for Basic Research for financial support of the work under Grant 10-03-00566a and the Ministry of Education and Science of the Russian Federation for financial support as part of the Federal Special Program “Scientific and Scientific–Pedagogical Staffs of Innovation of Russia” in 2009–2013 (Contract P412). The authors express deep appreciation to Professor E. B. Sveshnikoa and Professor V. L. Ermolaev for support, useful discussions in the course of the work, and a number of valuable comments on the text of the article.

OCIS codes: 260.2160, 260.5130, 260.3800, 300.6280

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