NaYbF 4 :Er luminescence anisotropy in a large ensemble and single nanoparticles

A. G. Shmelev; Шмелев А. Г.; E. O. Mityushkin; Митюшкин Е. О.; L. A. Nurtdinova; Нуртдинова Л. А.; A. V. Leontyev; Леонтьев А. В.; D. N. Petrov; Петров Д. Н.; D. K. Zharkov; Жарков Д. К.; V. G. Nikiforov; Никифоров В. Г.

doi:10.31857/S0367676523703003

NaYbF₄:Er luminescence anisotropy in a large ensemble and single nanoparticles

Autores: Shmelev A.G.¹, Mityushkin E.O.¹, Nurtdinova L.A.¹, Leontyev A.V.¹, Petrov D.N.¹, Zharkov D.K.¹, Nikiforov V.G.¹
Afiliações:
1. Zavoisky Physical-Technical Institute, Federal Research Center “Kazan Scientific Center of the Russian Academy of Sciences”,
Edição: Volume 87, Nº 12 (2023)
Páginas: 1744-1748
Seção: Articles
URL: https://edgccjournal.org/0367-6765/article/view/654533
DOI: https://doi.org/10.31857/S0367676523703003
EDN: https://elibrary.ru/UYUXNL
ID: 654533

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Resumo

The upconversion NaYbF₄:Er nanorods were synthesized by the hydrothermal method at the temperature of 190°C for 24 h. The luminescence spectrum exhibits intense luminescence lines in the visible and near-IR ranges under 977 nm laser diode excitation. The polarization of the upconversion luminescence of a large ensemble of nanoparticles is isotropic. Considering the pronounced rod structure of nanoparticles, the presence of several subensembles with different polarization characteristics of the luminescence was assumed.

Palavras-chave

nanoparticle, upconversion nanoparticle, luminescence anisotropy

Bibliografia

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