Plasmon-enhanced photon upconversion from short-wave infrared to visible using indium tin oxide nanoparticles

Sung Woo Jang; Tuhin Samanta; Won-Bin Im

doi:10.1117/12.2677211

5 October 2023 Plasmon-enhanced photon upconversion from short-wave infrared to visible using indium tin oxide nanoparticles

Sung Woo Jang, Tuhin Samanta, Won-Bin Im

Author Affiliations +

Proceedings Volume PC12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX; PC126530H (2023) https://doi.org/10.1117/12.2677211
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Conference Poster

Abstract

Upconversion material that convert infrared light into visible and ultraviolet photon are capable of a broad range application such as deep tissue bio-imaging, security labelling and anti-counterfeit, etc. Lanthanide-doped sodium yttrium fluoride (NaYF4) upconversion nanoparticles (UCNP) are one of the most efficient UCNPs. However, practical applications of UCNPs are limited owing to their extremely weak and narrow band absorption. Moreover, it is still a great challenge to convert short-wave infrared photon (such as 1550 nm) to visible region since photon should be 3-pumped for visible region emission which hamper itself to a wide variety of applications. To solve this problem, we applied the localized surface plasmon resonance (LSPR) effect of indium tin oxide (ITO) NPs to enhance the 1550 nm absorbance of NaYF4:Er3+ NPs. We have synthesized core-shell NaYF4:Er3+@NaYF4 NPs with particles size distribution of 15 nm via co-precipitation method. Also, We characterized upconversion efficiency of UCNPs with ITO NPs mixture solution with 1550 nm laser (10 mWcm-1).

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

Citation Download Citation

Sung Woo Jang, Tuhin Samanta, and Won-Bin Im "Plasmon-enhanced photon upconversion from short-wave infrared to visible using indium tin oxide nanoparticles", Proc. SPIE PC12653, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XX, PC126530H (5 October 2023); https://doi.org/10.1117/12.2677211

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