IR Luminescence of Nd3+, Sm3+, and Yb3+ β-Diketonates in Different Aggregate States


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Abstract

The influence of the aggregate state on the IR luminescence is studied for the Nd(III), Sm(III), and Yb(III) complexes with the thienyl, phenyl, and alkyl derivatives of acetylacetone in solutions and as sorbates on the polymer matrix. It is found that the luminescence intensity of the sorbates of the complexes is 2–3 orders of magnitude higher than that in solutions due to the elimination of diffusion and respective intermolecular nonradiative losses of the excitation energy.

About the authors

S. B. Meshkova

Bogatskii Physicochemical Institute

Author for correspondence.
Email: s_meshkova@ukr.net
Ukraine, Chernomorskaya doroga 86, Odessa

P. G. Doga

Bogatskii Physicochemical Institute

Email: s_meshkova@ukr.net
Ukraine, Chernomorskaya doroga 86, Odessa

A. A. Kucher

Bogatskii Physicochemical Institute

Email: s_meshkova@ukr.net
Ukraine, Chernomorskaya doroga 86, Odessa

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