Upconverted persistent luminescence in β-NaGd0.8Yb0.17Er0.03F4  and Zn1.33Ga1.335Sn0.33Cr0.005O4 associated nanoparticles

Luidgi Giordano; Guanyu Cai; Johanne Seguin; Jianhua Liu; Cyrille Richard; Lucas Carvalho Veloso Rodrigues; Bruno Viana

doi:10.1117/12.2651117

16 March 2023 Upconverted persistent luminescence in β-NaGd_0.8Yb_0.17Er_0.03F4 and Zn_1.33Ga_1.335Sn_0.33Cr_0.005O₄ associated nanoparticles

Luidgi Giordano, Guanyu Cai, Johanne Seguin, Jianhua Liu, Cyrille Richard, Lucas Carvalho Veloso Rodrigues, Bruno Viana

Author Affiliations +

Proceedings Volume 12422, Oxide-based Materials and Devices XIV; 124220O (2023) https://doi.org/10.1117/12.2651117
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Charging persistent luminescence materials using an infrared laser as a power source and an upconversion process allows expanding the potential applications for these materials. In bioimaging at the nanoscale, it allows increasing recharge ability capacity, as the excitation wavelength is fully inside the biological window. In this work, we propose a novel approach to this phenomenon using energy transfer on associated materials. For this purpose, we have synthesized β- NaGd_0.8Y_0.17Er_0.03F₄ nanoparticles, known for their efficient upconversion, and Zn_1.33Ga_1.335Sn_0.33Cr_0.005O₄ nanoparticles known for their persistent luminescence properties, and we have associated them through a dry impregnation method. The obtained hybrid material presents persistent luminescence after charging with a 980 nm laser. A mechanism is proposed to explain the energy transfer process.

Citation Download Citation

Luidgi Giordano, Guanyu Cai, Johanne Seguin, Jianhua Liu, Cyrille Richard, Lucas Carvalho Veloso Rodrigues, and Bruno Viana "Upconverted persistent luminescence in β-NaGd_0.8Yb_0.17Er_0.03F4 and Zn_1.33Ga_1.335Sn_0.33Cr_0.005O₄ associated nanoparticles", Proc. SPIE 12422, Oxide-based Materials and Devices XIV, 124220O (16 March 2023); https://doi.org/10.1117/12.2651117

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