Structural, Spectroscopic, and Luminescent Properties of Dy3+-Doped Multicomponent-Based Borosilicate Glasses for White-Light Emission Applications
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.New Dy<sup>3+</sup>-doped glasses exhibit promising optical properties for white-light applications. Optimized compositions show strong blue, yellow, and red emissions, suitable for LEDs and lasers.
Area Of Science
- Materials Science
- Solid-State Photonics
- Luminescence Spectroscopy
Background
- Dysprosium (Dy<sup>3+</sup>) doped glasses are investigated for their potential in optoelectronic devices.
- Understanding the structural and optical properties of novel glass matrices is crucial for material development.
Purpose Of The Study
- To synthesize and characterize novel Dy<sup>3+</sup>-doped borosilicate-magnesium-cesium-carbonate-lead chloride-sodium chloride (BSMCPNDy) glasses.
- To investigate the structural modifications and luminescence behavior of Dy<sup>3+</sup> ions within the synthesized glass network.
- To evaluate the potential of these glasses for applications in white-light-emitting diodes (LEDs), solid-state lasers, and photonic devices.
Main Methods
- Synthesis of Dy<sup>3+</sup>-doped glasses using the conventional melt-quenching technique.
- Structural analysis using Fourier Transform Infrared (FTIR) spectroscopy.
- Optical characterization through absorption and photoluminescence (PL) spectroscopy, including Judd-Ofelt analysis.
Main Results
- FTIR spectra confirmed the incorporation of Dy<sup>3+</sup> ions and revealed structural changes in the silicate network (BO₃/BO₄ units).
- Judd-Ofelt parameters (Ω₂ > Ω₄ > Ω₆) indicated an asymmetric and covalent environment for Dy<sup>3+</sup> ions.
- Under 349-nm excitation, prominent blue (482 nm), yellow (575 nm), and red (663 nm) emissions were observed. The 0.5 mol% Dy<sup>3+</sup> sample showed the highest intensity, with concentration quenching observed at higher doping levels due to energy transfer and cross-relaxation.
Conclusions
- The synthesized BSMCPNDy glasses possess favorable structural and optical properties for luminescence applications.
- The observed emission characteristics, including branching ratios and stimulated emission cross-sections, suggest suitability for white-light generation.
- Optimized Dy<sup>3+</sup>-doped BSMCPNDy compositions are promising candidates for advanced photonic devices, including white-LEDs and laser media.
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
