biostudies-literatureGolja DRJimma University220101https://www.ebi.ac.uk/biostudies/studies/S-EPMC9198503biostudies-literatureUnknown9(6)The <i>τ</i>-phase Ba_1.3Ca_{0.7-<i>x</i>-<i>y</i>} SiO₄:<i>x</i>D<i>y</i> ³⁺/<i>y</i>Tb³⁺ phosphors co-doped with D<i>y</i> ³⁺ (<i>x</i> = 0.03) and Tb³⁺ (<i>y</i> = 0.01-0.05) trivalent rare-earth ions were prepared by the gel-combustion method. The structure-property relation of the samples was examined by X-ray diffraction, scanning electron microscopy and spectrophotometer. Here, the effect of Tb³⁺'s concentration on the spectroscopic properties of Ba_1.3Ca_{0.7-<i>x</i>-<i>y</i>} SiO₄:<i>x</i>D<i>y</i> ³⁺/<i>y</i>Tb³⁺ phosphors was explored by using the photoluminescence excitation, emission and decay curves. Importantly, the photonic energy transfer Royal Society open sciencePhotoluminescence processes in <i>τ</i>-phase Ba_1.3Ca_{0.7-<i>x</i>-<i>y</i>} SiO₄:<i>x</i>D<i>y</i> ³⁺/<i>y</i>Tb³⁺ phosphors for solid-state lighting.PMC9198503JU/JIT/317103101-6417Kim JYWoldemariam MMGolja DRDejene FBfalsePhotoluminescence processes in <i>τ</i>-phase Ba_1.3Ca_{0.7-<i>x</i>-<i>y</i>} SiO₄:<i>x</i>D<i>y</i> ³⁺/<i>y</i>Tb³⁺ phosphors for solid-state lighting.The <i>τ</i>-phase Ba_1.3Ca_{0.7-<i>x</i>-<i>y</i>} SiO₄:<i>x</i>D<i>y</i> ³⁺/<i>y</i>Tb³⁺ phosphors co-doped with D<i>y</i> ³⁺ (<i>x</i> = 0.03) and Tb³⁺ (<i>y</i> = 0.01-0.05) trivalent rare-earth ions were prepared by the gel-combustion method. The structure-property relation of the samples was examined by X-ray diffraction, scanning electron microscopy and spectrophotometer. Here, the effect of Tb³⁺'s concentration on the spectroscopic properties of Ba_1.3Ca_{0.7-<i>x</i>-<i>y</i>} SiO₄:<i>x</i>D<i>y</i> ³⁺/<i>y</i>Tb³⁺ phosphors was explored by using the photoluminescence excitation, emission and decay curves. Importantly, the photonic energy transfer 2022-01-01T00:00:00Z2022 Jun2025-04-22T04:06:09.694Z2024-11-13T17:48:20.631ZS-EPMC91985033571988710.1098/rsos.220101