ABSTRACT Eu 3+ ions embedded in borophospho‐silicate glasses were synthesized using the melt‐quenching technique to explore their optical and spectroscopic properties. The calculated bonding measurements explored through their absorption spectra reveals a covalent character. Luminescence behavior has been examined via excitation and emission profiles, revealing prominent emissions in the red spectral region. A phonon sideband on the higher energy side of the 7 F 0 → 5 D 2 transition indicates electron‐phonon coupling, revealing the phonon energy (ђω). Addition of modifier cations affected luminescence intensity by influencing the ligands around the Eu 3+ ions that altered JO parameters and radiative traits; where as a high Ω 2 value implied strong covalency and asymmetry. Stimulated emission cross‐sections () and branching ratios (β R ) confirmed their suitability for red luminescent applications. Chromaticity coordinates positioned its emission in the red range, supporting their potential for Red‐LED devices. The luminescence decay patterns of the fabricated glasses displayed a triple‐exponential profile across all samples. The experimental decay lifetime was obtained via curve fitting of the luminescence decay and subsequently compared with the theoretically calculated values. The attained results specify that BPSE:Na and BPSE:Ba glasses are promising candidates for optoelectronic and laser‐based technologies.
Selvaraj et al. (Mon,) studied this question.
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