A sensitive x-ray storage phosphor based on BaFBr:Eu2+, KF/LiF with higher storage stability

This study synthesized CaAl2O4:Eu2+ blue phosphors using the sol-gel method. The effects of incorporating citric acid, poly (oxyethylene) (PEG), and HCl in the precursor on the luminescent properties of phosphors were investigated. No significant changes were observed in the photoluminescence (PL) spectra of the phosphors when different precursor solutions were used. However, the use of PEG and citric acid led to a noticeable decrease in the PL intensity. Notably, the use of HCl resulted in an increase in PL. In addition, upon heating the phosphors from room temperature to 110 °C, the PL spectrum remained unchanged, whereas the PL intensity decreased linearly with increasing temperature. This indicated the suitability of CaAl2O4:Eu2+ for optical temperature-sensing applications.

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A sensitive x-ray storage phosphor based on BaFBr:Eu2+, KF/LiF with higher storage stability

Cited by 2 publications

References 26 publications

Effect of divalent co-dopants on the photostimulated luminescence efficiency of BaFBr:Eu2+

Effect of divalent co-dopants on the photostimulated luminescence efficiency of BaFBr:Eu2+

Influence of Chelants and Catalyst on Luminescence of CaAl<sub>2</sub>O<sub>4</sub>:Eu<sup>2+</sup> Phosphors for Optical Temperature Sensing Applications

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