Colloidal synthesis and characterization of ytterbium-doped YLF nanocrystals

Shruti I. Gharde; Arjun Senthil; Mark V. Reymatias; Aadit Sharma; Ciara R. Murphy; Nathan J. Withers; Gennady A. Smolyakov; Sergei A. Ivanov; John D. Watt; Dale L. Huber; Marek Osiński

doi:10.1117/12.2615365

21 March 2022 Colloidal synthesis and characterization of ytterbium-doped YLF nanocrystals

Shruti I. Gharde, Arjun Senthil, Mark V. Reymatias, Aadit Sharma, Ciara R. Murphy, Nathan J. Withers, Gennady A. Smolyakov, Sergei A. Ivanov, John D. Watt, Dale L. Huber, Marek Osiński

Author Affiliations +

Proceedings Volume PC11977, Colloidal Nanoparticles for Biomedical Applications XVII; PC119770H (2022) https://doi.org/10.1117/12.2615365
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

LiYF₄ nanocrystals (NCs) doped with 1% and 10% of Yb³⁺ and capped with oleic-acid were synthesized via a previously reported and modified co-precipitation method. Size, morphology, composition, and colloidal stability of these NCs are reported with data obtained from TEM, XRD, TGA/DSC, XRF, and zeta potential techniques. TEM analysis shows a monodisperse size distribution, with the nanocrystal size of ~20 nm. Optical characterization is described using data collected from UV-Vis-NIR absorption spectrophotometry and photoluminescence spectroscopy. The excellent luminescence in the NIR-II spectral region makes these NCs potential candidate for bioimaging applications.

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Shruti I. Gharde, Arjun Senthil, Mark V. Reymatias, Aadit Sharma, Ciara R. Murphy, Nathan J. Withers, Gennady A. Smolyakov, Sergei A. Ivanov, John D. Watt, Dale L. Huber, and Marek Osiński "Colloidal synthesis and characterization of ytterbium-doped YLF nanocrystals", Proc. SPIE PC11977, Colloidal Nanoparticles for Biomedical Applications XVII, PC119770H (21 March 2022); https://doi.org/10.1117/12.2615365

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