Morphology and Luminescent Properties of Microcrystalline NaYF₄ Phosphors Doped with Terbium(III) Ions

A. A. Betina^a, T. S. Bulatova^a, I. E. Kolesnikov^a (http://orcid.org/0000-0002-5051-4064), N. A. Bogachev^a (http://orcid.org/0000-0002-9495-0669), M. Yu. Skripkin^a (http://orcid.org/0000-0001-9841-150X), and A. S. Mereshchenko^a^,* (http://orcid.org/0000-0001-9390-1446)

^aSt. Petersburg State University, St. Petersburg, 199034 Russia

email: *a.mereshchenko@spbu.ru

Received 29 August, 2022

Abstract— New microcrystalline phosphors NaY_1–xTb_xF₄ (x = 0–0.6) were obtained by the hydrothermal synthesis. All compounds have the hexagonal β-NaYF₄ crystalline phase. Terbium(III) ions isomorphically replace yttrium ions, which results in increasing the unit cell parameters and decreasing the particle size. The maximum luminescence intensity is observed for the NaY_0.6Tb_0.4F₄ compound.

Keywords: luminescence, rare earth elements, terbium, yttrium, microparticles, solid solutions

DOI: 10.1134/S1070363222120349

Morphology and Luminescent Properties of Microcrystalline NaYF4 Phosphors Doped with Terbium(III) Ions

Morphology and Luminescent Properties of Microcrystalline NaYF₄ Phosphors Doped with Terbium(III) Ions