Ultra-small upconversion nanoparticles for optical fiber application

G. Lesly Jimenez; Carlos Vazquez-Lopez; Isela Padilla-Rosales; Magdalena Leśniak; Patryk Szymczak; Tomasz Ragin; Jacek Zmojda; Piotr Miluski; Marcin Kochanowicz; Dominik Dorosz

doi:10.1117/12.3022420

20 June 2024 Ultra-small upconversion nanoparticles for optical fiber application

G. Lesly Jimenez, Carlos Vazquez-Lopez, Isela Padilla-Rosales, Magdalena Leśniak, Patryk Szymczak, Tomasz Ragin, Jacek Zmojda, Piotr Miluski, Marcin Kochanowicz, Dominik Dorosz

Author Affiliations +

Proceedings Volume 13003, Fiber Lasers and Glass Photonics: Materials through Applications IV; 130030U (2024) https://doi.org/10.1117/12.3022420
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Upconversion nanoparticles are appealing to various applications due to their energy conversion capabilities. However, their potential is limited by low efficiency, reproducibility, and poor morphology control. In this work, the synthesis of NaYF₄ co-doped with Yb³⁺ and Tm³⁺ ions using both thermal decomposition (TD) and microwave irradiation heating (MW) using non-polar solvent were explored. Finding that the samples obtained by MW irradiation not only reduced reaction time but also decreased particle size from micrometers to nanometers. Also, their particle size distribution and shape control improved. The upconverted emission obtained in both cases is in consistency with the characteristic emission band of thulium located at 360, 451, 476, 645, and 802 nm corresponding with ¹D₂→³H₆, ¹D₂→³F₄, ¹G₄→³H₆, ¹G₄→³F₄, and ³H₄→³H₆ transitions, respectively.

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G. Lesly Jimenez, Carlos Vazquez-Lopez, Isela Padilla-Rosales, Magdalena Leśniak, Patryk Szymczak, Tomasz Ragin, Jacek Zmojda, Piotr Miluski, Marcin Kochanowicz, and Dominik Dorosz "Ultra-small upconversion nanoparticles for optical fiber application", Proc. SPIE 13003, Fiber Lasers and Glass Photonics: Materials through Applications IV, 130030U (20 June 2024); https://doi.org/10.1117/12.3022420

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