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February 22, 2026Materials Advances0 citationsOpen Access

Bi 3+ -sensitized up-conversion luminescence and non-contact optical thermometry in NaCaYV 2 O 8 :Er 3+ /Yb 3+ phosphors

FAFadwa AyachiKSKamel SaidiIMIrene Mediavilla

Key Points

  • This research aims to develop phosphors that utilize Bi3+ for improved up-conversion luminescence and thermal sensing.
  • Synthesis of tri-doped NaCaYV2O8 phosphors with varying Bi3+ concentrations (0–0.15 mol%)
  • Utilization of the sol-gel synthesis technique
  • Demonstrates enhanced up-conversion luminescence properties in tri-doped phosphors
  • Shows potential for non-contact optical thermometry applications with varying Bi3+ levels

Abstract

Tri-doped NaCaYV 2 O 8 phosphors incorporating Er 3+ , Yb 3+ , and variable Bi 3+ concentrations (0–0.15 mol%) were synthesized via a sol–gel route.

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Cite This Study

Ayachi et al. (2026) studied this question.

synapsesocial.com/papers/699a9d8e482488d673cd3775https://doi.org/10.1039/d6ma00035e
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