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<p>A series of Er<sup>3+</sup>-doped Na<sub>2</sub>BiMg<sub>2</sub>(VO<sub>4</sub>)<sub>3</sub> phosphor materials, abbreviated as NBMVO, were synthesized via the conventional solid-state reaction method and investigated for their near-infrared (NIR) luminescence properties. Samples with varying Er<sup>3+</sup> concentrations (1&#xa0;mol%, 2&#xa0;mol%, 5&#xa0;mol%, and 7&#xa0;mol%) were characterized using structural and optical techniques. Under 524&#xa0;nm excitation, all compositions exhibited strong and stable NIR emission centered at 1536&#xa0;nm, corresponding to the <sup>4</sup>I<sub>13/2</sub> → <sup>4</sup>I<sub>15/2</sub> transition of Er<sup>3+</sup> ions. The findings demonstrated efficient NIR emission with good structural integrity and photoluminescence stability across different doping levels. Na<sub>2</sub>BiMg<sub>2</sub>(VO<sub>4</sub>)<sub>3</sub>:Er<sup>3+</sup> is a potential phosphor material for optical communication, biomedical imaging, and advanced photonic devices, such as C-band telecommunication and eye-safe laser technologies.</p> Graphical Abstract <p></p>

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Exploring Near-Infrared Emission and Optical Properties of Er3+Activated Na2BiMg2(VO4)3 Phosphors: Synthesis, Characterization, and Potential NIR Applications

  • 期刊论文

  • 发表日期：

    2026年3月9日

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  • Rashmi V. Pandey,
  • Halim S. Ahamad,
  • Supriya Kshetrapal,
  • Nilesh Ugemuge

摘要

A series of Er3+-doped Na2BiMg2(VO4)3 phosphor materials, abbreviated as NBMVO, were synthesized via the conventional solid-state reaction method and investigated for their near-infrared (NIR) luminescence properties. Samples with varying Er3+ concentrations (1 mol%, 2 mol%, 5 mol%, and 7 mol%) were characterized using structural and optical techniques. Under 524 nm excitation, all compositions exhibited strong and stable NIR emission centered at 1536 nm, corresponding to the 4I13/2 → 4I15/2 transition of Er3+ ions. The findings demonstrated efficient NIR emission with good structural integrity and photoluminescence stability across different doping levels. Na2BiMg2(VO4)3:Er3+ is a potential phosphor material for optical communication, biomedical imaging, and advanced photonic devices, such as C-band telecommunication and eye-safe laser technologies.

Graphical Abstract