Investigation of the luminescent properties of SiLiZn glass-ceramic phosphor doped Cr3+/Cr4+

Authors

  • Karolina Sadowska Bialystok University of Technology
  • Jacek Mariusz Żmojda 1Faculty of Electrical Engineering, Białystok University of Technology, Wiejska 45D, 15-351 Białystok https://orcid.org/0000-0003-2680-937X

DOI:

https://doi.org/10.4302/plp.v17i1.1321

Abstract

This study presents the development of Cr2O3 – doped glass-ceramic phosphors with the possibility of obtaining Cr³⁺/Cr⁴⁺ for broadband near – infrared (NIR) emission, targeting for potential applications in NIR phosphor – converted LEDs (pc – LEDs). Optimization of Cr₂O₃ doping and annealing conditions of glass-ceramic, we achieved emission in the range of NIR – I (700 – 950 nm) and NIR – II (1000 – 1700 nm) biological windows. Based on the luminescence measurements performed, in the glass sample, emission bands attributed to Cr³⁺ in an octahedral environment were observed with strong emission at 955 nm (corresponding to the transition 4T2 → 4A2), while emission of annealed glass – ceramics suggested the appearance of Cr⁴⁺ with a peak at 1250 nm (3T2 → 3A2).

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References

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Published

2025-03-31

How to Cite

[1]
K. Sadowska and J. M. Żmojda, “Investigation of the luminescent properties of SiLiZn glass-ceramic phosphor doped Cr3+/Cr4+ ”, Photonics Lett. Pol., vol. 17, no. 1, pp. 23–25, Mar. 2025.

Issue

Vol. 17 No. 1 (2025)

Section

Articles

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Copyright (c) 2025 Karolina Sadowska, Jacek Mariusz Żmojda

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