Pr3+ doped NaYF4 and LiYF4 nanocrystals combining visible-to-UVC upconversion and NIR-to-NIR-II downconversion luminescence emissions for biomedical applications

Author:

Tsang Min Ying1ORCID,Fałat Patryk1ORCID,Antoniak Magda A.1ORCID,Ziniuk Roman2,Zelewski Szymon J.3ORCID,Samoć Marek1,Nyk Marcin1ORCID,Qu Junle2ORCID,Ohulchanskyy Tymish Y.2ORCID,Wawrzyńczyk Dominika1ORCID

Affiliation:

1. Institute of Advanced Materials, Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

2. College of Physics and Optoelectronic Engineering, Shenzhen University, Nanhai Avenue 3688, Nanshan District, 518060, Guangdong, China

3. Department of Semiconductor Materials Engineering, Faculty of Fundamental Problems of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

Abstract

NaYF4 and LiYF4 nanoparticles co-doped with Pr3+ and Yb3+ are reported, manifesting 980 nm excited downconversion luminescence peaked at 1320 nm for NIR-II bioimaging and 447 nm excited upconversion luminescence at 275 nm for germicide action.

Funder

Shenzhen Fundamental Research Program

Fundacja na rzecz Nauki Polskiej

National Natural Science Foundation of China

Narodowe Centrum Nauki

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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