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Dy3+ ions infused modifier reliant boro-phosphate glasses: A promising host for W-LED demand

  • 0Department of Physics, The Gandhigram Rural Institute - Deemed to be University, Gandhigram 624 302, India.
Spectrochimica Acta. Part a, Molecular and Biomolecular Spectroscopy +

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July 27, 2024

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July 27, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

This study synthesized Dy<sup>3+</sup>-doped borophosphate glasses with various modifier ions. The research explored their optical properties, revealing potential for lasing applications and specific chromaticity coordinates.

Area Of Science

  • Materials Science
  • Optical Physics
  • Solid-State Chemistry

Background

  • Borophosphate glasses doped with rare-earth elements are crucial for photonic applications.
  • Dysprosium (Dy<sup>3+</sup>) ions exhibit unique optical transitions suitable for lighting and laser technologies.

Purpose Of The Study

  • To synthesize and characterize Dy<sup>3+</sup>-doped borophosphate glasses with different modifier ions (Sr, Mg, Ba, Li, Zn).
  • To investigate the optical properties, including absorption, luminescence, and lifetime.
  • To evaluate lasing action characteristics and chromaticity for potential applications.

Main Methods

  • Melt quenching technique for glass synthesis.
  • Absorption, luminescence, and lifetime spectroscopy for optical characterization.
  • Calculation of physical parameters (refractive index, density) and Judd-Ofelt (JO) parameters.

Main Results

  • The Judd-Ofelt (JO) parameters followed the trend Ω<sub>2</sub> > Ω<sub>4</sub> > Ω<sub>6</sub>.
  • Strong luminescence transitions were observed for Dy<sup>3+</sup> ions, including <sup>4</sup>F<sub>9/2</sub>→<sup>6</sup>H<sub>15/2</sub>, <sup>4</sup>F<sub>9/2</sub>→<sup>6</sup>H<sub>13/2</sub>, and <sup>4</sup>F<sub>9/2</sub>→<sup>6</sup>H<sub>11/2</sub>.
  • Lasing characteristics like emission cross-section and branching ratios were projected, and CIE chromaticity coordinates were determined.

Conclusions

  • The synthesized Dy<sup>3+</sup>-doped borophosphate glasses exhibit promising optical properties for photonic devices.
  • The modifier ions significantly influence the optical behavior and lasing characteristics.
  • These glasses are suitable candidates for applications requiring specific emission wavelengths and efficient luminescence.

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