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March 19, 2026Journal of Materials Chemistry C2 citationsOpen Access

Excitation-Selective Coexistence of Upconversion and Persistent Luminescence in Pr³⁺-doped Eulytite-Type Phosphates Towards Advanced Anti-Counterfeiting

GDGuna DokeAAAndris AntuzevicsDSDidzis Salnajs

Key Points

  • Investigate the luminescence properties of Pr3+-doped phosphors for anti-counterfeiting applications.
  • Synthesize Pr3+-doped Ba3Lu(PO4)3 and Sr3Lu(PO4)3 phosphors.
  • Examine luminescence modes under different excitation wavelengths.
  • Assess effectiveness of materials for anti-counterfeiting purposes.
  • Phosphors exhibit multiple excitation-dependent luminescence modes.
  • Efficient conversion of blue light to UVC was achieved with selected excitation.
  • Demonstrated potential for advanced security features in anti-counterfeiting applications.

Abstract

Pr3+-doped Ba3Lu(PO4)3 and Sr3Lu(PO4)3 phosphors exhibit multiple excitation-dependent luminescence modes and are studied as multifunctional materials for advanced anti-counterfeiting. When excited with blue light (444 nm), they efficiently produce blue-to-UVC...

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Cite This Study

Doke et al. (2026) studied this question.

synapsesocial.com/papers/69bb9345496e729e629814a2https://doi.org/10.1039/d6tc00314a
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