Influence of Preparing Conditions on the Property of a New White-Light Long Afterglow Phosphor Sr2SiO4: Pr3+

Lin Chen; Hui Hui Zeng

doi:10.4028/www.scientific.net/AMR.418-420.274

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 418-420Influence of Preparing Conditions on the Property...

Influence of Preparing Conditions on the Property of a New White-Light Long Afterglow Phosphor Sr₂SiO₄: Pr³⁺

Abstract:

A new white-light long afterglow phosphor Sr₂SiO₄: Pr³⁺ was synthesized by solid-state reaction, the influence of preparing conditions on the luminous property of Sr₂SiO₄: Pr³⁺ were studied, and characterized by X-ray diffractometer, fluorescence spectrophotometer and thermo luminescence(TL) meter. The results indicated that the emission spectra of phosphor is composed of bluish purple (390nm), green(535nm)and red(604nm)light emission, and the sample prepared at 1473K, heat treatment time for 4h, 0.5mol% Pr³⁺ and 1mol% flux H3BO3 conditions shows the best property.