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<p>Eu³⁺-doped borate and silicate glasses were synthesized via the melt-quenching method to explore their potential for advanced optoelectronic applications. Structural and optical analyses confirmed the amorphous nature and uniform Eu³⁺ distribution in both systems. Borate glasses exhibited stronger red emission, higher optical basicity, and better thermal stability, while silicate glasses showed longer lifetimes, higher refractive index, and broader gain bandwidths. Judd–Ofelt analysis revealed that Eu³⁺ concentration strongly influences emission intensity, asymmetry, and quantum efficiency. Co-modifiers such as ZnO, Li₂CO₃, and Pb₃O₄ enhanced Eu³⁺ dispersion and reduced non-radiative losses. These results indicate that borate glasses are promising for red LEDs and sensors, whereas silicate glasses are ideal for optical amplifiers, lasers, and white-light devices. The established structure property correlations provide a framework for designing efficient and the applications specific photonic materials for next generation optoelectronic technologies.</p>

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Emission modulation and radiative dynamics in Europium-Doped Borate and silicate glass networks

  • 期刊论文

  • 发表日期：

    2025年11月25日

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  • M. Sreenivasulu,
  • Vijaya Kumar Chavan,
  • V. Ravi Teja

摘要

Eu³⁺-doped borate and silicate glasses were synthesized via the melt-quenching method to explore their potential for advanced optoelectronic applications. Structural and optical analyses confirmed the amorphous nature and uniform Eu³⁺ distribution in both systems. Borate glasses exhibited stronger red emission, higher optical basicity, and better thermal stability, while silicate glasses showed longer lifetimes, higher refractive index, and broader gain bandwidths. Judd–Ofelt analysis revealed that Eu³⁺ concentration strongly influences emission intensity, asymmetry, and quantum efficiency. Co-modifiers such as ZnO, Li₂CO₃, and Pb₃O₄ enhanced Eu³⁺ dispersion and reduced non-radiative losses. These results indicate that borate glasses are promising for red LEDs and sensors, whereas silicate glasses are ideal for optical amplifiers, lasers, and white-light devices. The established structure property correlations provide a framework for designing efficient and the applications specific photonic materials for next generation optoelectronic technologies.