Photoluminescence processes in τ-phase Ba_1.3Ca_0.7-x-y SiO₄:xDy ³⁺/yTb³⁺ phosphors for solid-state lighting.

ABSTRACT: The τ-phase Ba_1.3Ca_0.7-x-y SiO₄:xDy ³⁺/yTb³⁺ phosphors co-doped with Dy ³⁺ (x = 0.03) and Tb³⁺ (y = 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-x-y SiO₄:xDy ³⁺/yTb³⁺ phosphors was explored by using the photoluminescence excitation, emission and decay curves. Importantly, the photonic energy transfer

SUBMITTER: Golja DR 

PROVIDER: S-EPMC9198503 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature