Synthesis and Luminescent Properties of Lu2O2SO4 : Eu3+ Spherical Particles

Russian Journal of General Chemistry - Tập 93 - Trang 2071-2075 - 2023
K. A. Larionova1, Yu. G. Denisenko1, S. A. Osseni1,2, O. V. Andreev1,3, I. A. Razumkova1
1Tyumen State University, Tyumen, Russia
2National University of Science, Technology, Engineering and Mathematic, Abomey, Benin
3Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia

Tóm tắt

Potential use of Lu2O2SO4:xEu3+ as a contrast agent in multifunctional medical imaging was studied. Powders of Lu2O2SO4 : xEu3+ (x = 1–7 mol %) solid solutions consisting of spherical particles with a diameter of approximately 300 nm were synthesized by co-precipitation followed by calcination. The duration of synthesis influences the particle morsphology: increase in the coprecipitation duration leads to coarse particles that lost their spherical shape due to formation of conglomerates. Excitation of Lu2O2SO4 : Eu3+ at a wavelength of 270 nm leads to the appearance of distinct peaks in the 610–620 and 690–710 nm regions, with intensity depending on the concentration of Eu3+ ions in a sample.

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