The biomechanical study on the preparation and upconversion luminescence properties and antibacterial performance of Pr3+-doped Y2SiO5 based on bivalent ionic Yb3+-Li+

  • Minmin Ni College of Petroleum and Chemical Engineering, Chang Zhou University, Changzhou 213164, China
  • Lifu Zhou College of Petroleum and Chemical Engineering, Chang Zhou University, Changzhou 213164, China
  • Xiaohua Yang College of Petroleum and Chemical Engineering, Chang Zhou University, Changzhou 213164, China
  • Ke Wang Department of Burn and Plastic Surgery-Hand Surgery, Changshu Hospital Affiliated to Soochow University, Changshu No.1 People’s Hospital, Changshu 215500, China
  • Bin Yu Department of Burn and Plastic Surgery-Hand Surgery, Changshu Hospital Affiliated to Soochow University, Changshu No.1 People’s Hospital, Changshu 215500, China
  • Da Qian Department of Burn and Plastic Surgery-Hand Surgery, Changshu Hospital Affiliated to Soochow University, Changshu No.1 People’s Hospital, Changshu 215500, China
DOI: https://doi.org/10.62617/mcb1853
Keywords: enhanced upconversion efficiency; biomechanics; Yb3﹢ -Li﹢ dualion rare earth materials; enhanced antibacterial properties
Article ID: 1853

Abstract

This study focuses on the extended applications of Pr3+-doped yttrium oxide single crystals. By introducing Yb2O3, Yb/Pr co-doped Y2SiO5 single crystals and dual-ion Yb3+-Li+ doped Pr3+: Y2SiO5 materials were successfully prepared. Beyond their systematically investigated optical properties, their mechanical properties relevant to biomechanics were also examined. The experiment revealed that Yb3+@Pr3+: Y2SiO5 doped with 0.1 mol% Yb₂O₃ exhibited the highest fluorescence emission (approximately 250,000 cps), with the synergistic effect of Yb3⁺-Li⁺ significantly increasing upconversion efficiency. Under 980 nm far-infrared excitation, the quantum efficiency reached 74.9%, significantly surpassing that of single-ion doping systems. Moreover, under 415 nm visible light excitation, Yb3+@Pr3+: Y2SiO5 exhibited excellent light conversion efficiency (7.52%), highlighting its potential as a light conversion material. The combination of these optical properties with favorable mechanical characteristics underscores its promise as a multifunctional material for biomechanical applications. Dual-ion Li-Yb@Pr3+: Y2SiO5 under 980 nm infrared light irradiation, showed a significantly improved antibacterial effect compared to the control group under dark conditions. The results indicate that this material can better withstand mechanical stress exerted by biological tissues, highlighting its potential for applications in both antibacterial and biomechanical fields. This study not only improves the understanding of the optical and mechanical properties of rare-earth-doped materials in the context of biomechanics but also offers a scientific basis and experimental foundation for their use in implant design. By considering both optical and mechanical properties, as well as biological tissue-material interactions from a mechanical perspective, this work paves the way for advanced materials in biomedical applications.

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Published
2025-04-10
How to Cite
Ni, M., Zhou, L., Yang, X., Wang, K., Yu, B., & Qian, D. (2025). The biomechanical study on the preparation and upconversion luminescence properties and antibacterial performance of Pr3+-doped Y2SiO5 based on bivalent ionic Yb3+-Li+. Molecular & Cellular Biomechanics, 22(5), 1853. https://doi.org/10.62617/mcb1853
Issue
Vol. 22 No. 5 (2025)
Section
Article

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