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Kvantovaya Elektronika, 2020, Volume 50, Number 2, Pages 109–113 (Mi qe17202)  

This article is cited in 1 scientific paper (total in 1 paper)

Laser biophotonics

Effect of hydrothermal synthesis conditions on up-conversion luminescence intensity of β-NaYF4 : Er3+, Yb3+ particles

E. A. Sagaidachnayaa, Yu. G. Konyukhovaa, N. I. Kazadaevaa, A. A. Doronkinaa, I. Yu. Yaninaab, A. A. Skaptsova, A. B. Pravdina, V. I. Kochubeyab*

a Saratov State University
b Tomsk State University

Abstract: The differences in the luminescence intensities of up-conversion β-NaYF4 : Er3+, Yb3+ particles synthesised by the hydrothermal method under various synthesis conditions are studied. The results of the study lead to the conclusion that in order to achieve the maximum luminescence intensity in such particles, it is necessary to use ammonium fluoride and a medium with pH = 3. In this case, the length of the particles increases, up to the formation of rod-shaped particles. Based on the data on the size of the coherent scattering region and on microstresses, we can assume that the particles are polycrystals. At the same time, limiting the size of the coherent scattering region is possible due to the defective structure. When the nanoparticles are synthesised in a medium with pH = 3, hydrolysed regions containing OH groups are formed on the crystallite surface. The presence of these groups does not affect the intensity of up-conversion luminescence of submicron-size particles.

Keywords: up-conversion particles, luminescence spectra, Raman scattering.

Funding Agency Grant Number
Russian Science Foundation 19-12-00118

* Author to whom correspondence should be addressed

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English version:
Quantum Electronics, 2020, 50:2, 109–113

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Received: 27.11.2019

Citation: E. A. Sagaidachnaya, Yu. G. Konyukhova, N. I. Kazadaeva, A. A. Doronkina, I. Yu. Yanina, A. A. Skaptsov, A. B. Pravdin, V. I. Kochubey, “Effect of hydrothermal synthesis conditions on up-conversion luminescence intensity of β-NaYF4 : Er3+, Yb3+ particles”, Kvantovaya Elektronika, 50:2 (2020), 109–113 [Quantum Electron., 50:2 (2020), 109–113]

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  • http://mi.mathnet.ru/eng/qe/v50/i2/p109

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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Przybylska D., Grzyb T., J. Mater. Sci., 55:29 (2020), 14166–14178  crossref  isi
  • Квантовая электроника Quantum Electronics
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