Izvestiya of Saratov University.

Physics

ISSN 1817-3020 (Print)
ISSN 2542-193X (Online)

For citation:

Sagaidachnaya E. A., Kochubey V. I. Effect of the Temperature of NaYF4 : Er,Yb Upсonversion Particles on the Formation of Luminescence. Izvestiya of Saratov University. Physics , 2020, vol. 20, iss. 4, pp. 306-310. DOI: 10.18500/1817-3020-2020-20-4-306-310

This is an open access article distributed under the terms of Creative Commons Attribution 4.0 International License (CC-BY 4.0).
Published online: 
30.11.2020
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Language: 
English
Heading: 
Brief Communications
UDC: 
535.372:535.373.2
DOI: 
10.18500/1817-3020-2020-20-4-306-310

Effect of the Temperature of NaYF4 : Er,Yb Upсonversion Particles on the Formation of Luminescence

Autors: 
Sagaidachnaya Elena Aleksandrovna, Saratov State University
Kochubey Vyacheslav Ivanovich, Saratov State University
Abstract: 

The intensity of upconversion luminescence depends nonlinearly on the excitation intensity. The aim of this work is to study the effect of the temperature of NaYF4:Er,Yb upconversion particles on the dependence of the luminescence intensity on the excitation intensity. The synthesized particles were observed to have the shape of a hexagonal prism with a width of about 440 nm and a height of 445 nm. The upconversion luminescence spectra were obtained in the temperature range of 22–55° C with the excitation intensity in the range of 1.5–9.4 W/cm2. The obtained results show the green-band luminescence photons can be generated by means of two-step and three-step mechanisms: the contribution of these mechanisms depends on the temperature of the particles. As the temperature increases, the contribution of the three-stage mechanism of green luminescence excitation is enhanced.

Key words: 
upconversion particles
upconversion luminescence
Reference: 
  1. Altavilla C., ed. Upconverting nanomaterials. Perspectives, synthesis and application. New York, CRC Press, 2016. 368 p.
  2. Chen G., Qiu H., Prasad P. N., Chen X. Upconversion nanoparticles: design, nanochemistry, and applications in theranostics. Chemical Reviews, 2014, vol. 114, no. 10, pp. 5161‒5214.
  3. Suyver J. F., Aebischer A., García-Revilla S., Gerner P., Güdel H. U. Anomalous power dependence of sensitized upconversion luminescence. Physical Review B, 2005, vol. 71, no. 12, pp. 125123.
  4. Pollnau M., Gamelin D. R., Lüthi S. R., Güdel H. U., Hehlen M. P. Power dependence of upconversion luminescence in lanthanide and transition-metal-ion systems. Physical Review B, 2000, vol. 61, no. 5, pp. 3337.
  5. Chen G., Somesfalean G., Liu Y., Zhang Z., Sun Q., Wang F. Upconversion mechanism for two-color emission in rare-earth-ion-doped ZrO2 nanocrystals. Physical Review B, 2007, vol. 75, no. 19, pp. 195204.
  6. Ikonnikov D. A. Absorption, luminescence, and upconversion properties of rare-earth ions in borates, fluorides, and molybdates: Diss. Cand. Sci. (Phis.). Krasnoyarsk, 2017. 133 p.
  7. Bai X., Song H., Pan G., Lei Y., Wang T., Ren X., Lu Sh., Dong B., Dai Q., Fan L. Size-dependent upconversion luminescence in Er3+/Yb3+-codoped nanocrystalline yttria: saturation and thermal effects. The Journal of Physical Chemistry C, 2007, vol. 111, no. 36, pp. 13611‒13617.
  8. Vetrone F., Boyer J.-Ch., Capobianco J. A. Significance of Yb3+ concentration on the upconversion mechanisms in codoped Y2O3 : Er3+,Yb3+ nanocrystals. Journal of Applied Physics, 2004, vol. 96, no. 1, pp. 661‒667.
  9. Sagaydachnaya E. A., Kochubey V. I., Konyukhova J. G. Influence of annealing temperature on the upconversion luminescence properties of NaYF4 : Er,Yb@SiO2 particles. Journal of Physics: Conference Series, 2017, vol. 917, no. 3, pp. 032006.
  10. Sagaidachnaya E. A., Konyukhova Ju. G., Kazadaeva N. I., Doronkina A. A., Yanina I. Yu., Skaptsov A. A., Pravdin A. B., Kochubey V. I. Dependence of the luminescent properties of thermostabilized upconversion NaYF4 : Yb,Er particles on the excitation power and temperature. Optical Engineering, 2019, vol. 59, no. 6, pp. 061609.
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