Structural, UV light-excitable luminescence and warm white light generation of dysprosium ion-activated zinc leadfluoride sodium phosphate glasses

Jlassi, Ifa; Doddoji, Ramachari

doi:10.1007/s10854-024-12470-2

J Mater Sci: Mater Electron

2024

DOI: 10.1007/s10854-024-12470-2

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Structural, UV light-excitable luminescence and warm white light generation of dysprosium ion-activated zinc leadfluoride sodium phosphate glasses

Ifa Jlassi,

Ramachari Doddoji

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Cited by 2 publications

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Spectroscopic, calorimetric, and radiation shielding analysis of lead-free transparent dysprosium-doped phosphate glasses

Jiménez,

Upadhyay,

Amesimenu

et al. 2024

Ceramics International

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Spectroscopic, calorimetric, and radiation shielding analysis of lead-free transparent dysprosium-doped phosphate glasses

Jiménez,

Upadhyay,

Amesimenu

et al. 2024

Ceramics International

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Insights into the Structural, Thermal/Dilatometric, and Optical Properties of Dy³⁺-Doped Phosphate Glasses for Lighting Applications

Jiménez,

Hedge,

Viswanath

et al. 2024

ACS Phys. Chem Au

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Dysprosium-doped glasses are of interest for applications in light-emitting devices, yet the full range of effects of Dy 3+ ions on glass properties is not fully understood. In this work, phosphate glasses with 50P 2 O 5 -(50 − x)BaO-xDy 2 O 3 (0 ≤ x ≤ 4.0 mol %) nominal compositions were prepared by melting and the impact of Dy 3+ ions on glass physical, structural, thermo-mechanical, and optical properties was evaluated. Following refractive index, density, and X-ray diffraction characterizations, the glasses were studied comprehensively through Raman spectroscopy, X-ray photoelectron spectroscopy, dilatometry, optical absorption, and photoluminescence (PL) spectroscopy. The thorough investigation and data analyses shed light on the Dy 3+ -driven structural and thermal properties reported here for the first time. The thermal expansion behavior was put in context with the reported data for other lanthanides and analyzed in the framework of the high ionic field strengths, leading to tighter glass networks. Further, a detailed analysis of the absorption, PL, and emission decay curves was carried out, providing insights into the origin of the optical behavior. Supported is the hypothesis that the cross-relaxation channels between Dy 3+ ions taking place at low concentrations are responsible for the decrease in the decay times while the PL attractive for lighting applications still improves. Conversely, high Dy 3+ concentrations facilitate the emission quenching proceeding via an electric dipole−dipole interaction likely incorporating the resonant excitation migration pathway for Dy 3+ −Dy 3+ mean distances shorter than ∼15 Å.

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Structural, UV light-excitable luminescence and warm white light generation of dysprosium ion-activated zinc leadfluoride sodium phosphate glasses

Cited by 2 publications

References 52 publications

Spectroscopic, calorimetric, and radiation shielding analysis of lead-free transparent dysprosium-doped phosphate glasses

Spectroscopic, calorimetric, and radiation shielding analysis of lead-free transparent dysprosium-doped phosphate glasses

Insights into the Structural, Thermal/Dilatometric, and Optical Properties of Dy³⁺-Doped Phosphate Glasses for Lighting Applications

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Structural, UV light-excitable luminescence and warm white light generation of dysprosium ion-activated zinc leadfluoride sodium phosphate glasses

Cited by 2 publications

References 52 publications

Spectroscopic, calorimetric, and radiation shielding analysis of lead-free transparent dysprosium-doped phosphate glasses

Spectroscopic, calorimetric, and radiation shielding analysis of lead-free transparent dysprosium-doped phosphate glasses

Insights into the Structural, Thermal/Dilatometric, and Optical Properties of Dy3+-Doped Phosphate Glasses for Lighting Applications

Contact Info

Product

Resources

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Insights into the Structural, Thermal/Dilatometric, and Optical Properties of Dy³⁺-Doped Phosphate Glasses for Lighting Applications