Enhancement of NIR emission varying thulium of ZrO2:2Yb3+-xTm3+ nanoparticles by sonochemical method

Anabel Herrera-Rodríguez; Tzarara López-Luke; Gonzalo Ramírez-García; Andrea Ceja-Fdez; Salvador Barrientos; Victor Hugo Romero Arellano; Juan Zarate-Medina

doi:10.1117/12.2677059

3 October 2023 Enhancement of NIR emission varying thulium of ZrO₂:2Yb³⁺-xTm³⁺ nanoparticles by sonochemical method

Anabel Herrera-Rodríguez, Tzarara López-Luke, Gonzalo Ramírez-García, Andrea Ceja-Fdez, Salvador Barrientos, Victor Hugo Romero Arellano, Juan Zarate-Medina

Author Affiliations +

Proceedings Volume 12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX; 126530I (2023) https://doi.org/10.1117/12.2677059
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Conference Poster

Abstract

In this research, Yb³⁺ -Tm³⁺ co-doped ZrO₂ nanoparticles (ZrO₂:2Yb³⁺ -xTm³⁺; x=0.0125, 0.025, 0.05, 0.1, and 0.2 mol%) were synthesized using ethylenediamine and Pluronic F-127® as precipitating and surfactant agents, respectively, through a sonochemical method assisted by hydrothermal treatment and subsequent annealing as an innovative, simple, and fast route. Structural, morphological, and chemical characterization was determined by XRD, SEM, and FT-IR. The photoluminescent characterization was performed using a spectrometer with an excitation wavelength of 975 nm. The SEM technique confirms the formation of spherical and semispherical nanoparticles dispersed of sizes less than 110 nm. Furthermore, XRD results proved that the solids have monoclinic and tetragonal crystalline structure for undoped ZrO₂ and the tetragonal phase was stabilized with Yb³⁺ -Tm³⁺ co-doped ZrO₂. At the same time, FT-IR spectroscopy showed the functional groups corresponding to –OH residual, C-H, and C=C bonds due to surfactant agent remand and metallic oxide bonding of Zr-O, corresponding to the tetragonal crystal structure, principally. On the other hand, photoluminescent characterization exhibited upconversion (UC) emissions at 488, 656, and 800 nm due to 1G4→3H6, 1G4→3F4, and 3H4→3H6 transitions of Tm³⁺, respectively. These emissions increase in intensity due to the increment of Tm³⁺ concentration until 0.1mol%; lower and higher to this concentration, the photoluminescent intensity decrease. ZrO₂:2Yb³⁺ -0.1Tm³⁺ nanoparticles showed the highest enhancement (144%) at 800 nm concerning the ZrO₂:2Yb³⁺ -0.0125Tm³⁺ sample.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Anabel Herrera-Rodríguez, Tzarara López-Luke, Gonzalo Ramírez-García, Andrea Ceja-Fdez, Salvador Barrientos, Victor Hugo Romero Arellano, and Juan Zarate-Medina "Enhancement of NIR emission varying thulium of ZrO₂:2Yb³⁺-xTm³⁺ nanoparticles by sonochemical method", Proc. SPIE 12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX, 126530I (3 October 2023); https://doi.org/10.1117/12.2677059

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